{
  "id": "api/router/NavigationCancel",
  "title": "NavigationCancel",
  "contents": "\n\n<article>\n  <div class=\"breadcrumb-container\">\n    <div class=\"breadcrumb\">\n      <script type=\"application/ld+json\">\n        {\n          \"@context\": \"http://schema.org\",\n          \"@type\": \"BreadcrumbList\",\n          \"itemListElement\": [\n            { \"@type\": \"ListItem\", \"position\": 1, \"item\": { \"@id\": \"https://angular.io//api\", \"name\": \"API\" } },\n            { \"@type\": \"ListItem\", \"position\": 2, \"item\": { \"@id\": \"https://angular.io/api/router\", \"name\": \"@angular/router\" } },\n            { \"@type\": \"ListItem\", \"position\": 3, \"item\": { \"@id\": \"https://angular.io/api/router/NavigationCancel\", \"name\": \"NavigationCancel\" } }\n          ]\n        }\n      </script>\n        <a href=\"/api\">API</a> > <a href=\"api/router\">@angular/router</a>\n    </div>\n    <div class=\"github-links\">\n  <a href=\"https://github.com/angular/angular/edit/master/packages/router/src/events.ts?message=docs(router)%3A%20describe%20your%20change...#L134-L161\" aria-label=\"Suggest Edits\" title=\"Suggest Edits\"><i class=\"material-icons\" aria-hidden=\"true\" role=\"img\">mode_edit</i></a>\n  <a href=\"https://github.com/angular/angular/tree/12.0.0-next.7/packages/router/src/events.ts#L134-L161\" aria-label=\"View Source\" title=\"View Source\"><i class=\"material-icons\" aria-hidden=\"true\" role=\"img\">code</i></a>\n</div>\n  </div>\n  \n  <header class=\"api-header\">\n    <h1 id=\"navigationcancel\">NavigationCancel<a title=\"Link to this heading\" class=\"header-link\" aria-hidden=\"true\" href=\"api/router/NavigationCancel#navigationcancel\"><i class=\"material-icons\">link</i></a></h1>\n    \n    <label class=\"api-type-label class\">class</label>\n    \n    \n    \n  </header>\n  \n  <aio-toc class=\"embedded\"></aio-toc>\n\n  <div class=\"api-body\">\n    \n  <section class=\"short-description\">\n    <p>An event triggered when a navigation is canceled, directly or indirectly.\nThis can happen when a route guard\nreturns <code>false</code> or initiates a redirect by returning a <code><a href=\"api/router/UrlTree\" class=\"code-anchor\">UrlTree</a></code>.</p>\n\n    \n  </section>\n  \n  \n  \n  <section class=\"class-overview\">\n<code-example language=\"ts\" hidecopy=\"true\">\nclass <a href=\"api/router/NavigationCancel\" class=\"code-anchor\">NavigationCancel</a> extends <a class=\"code-anchor\" href=\"api/router/RouterEvent\">RouterEvent</a> {\n  <a class=\"code-anchor\" href=\"api/router/NavigationCancel#constructor()\"><span class=\"member-name\">constructor</span>(id: number, url: string, reason: string)</a>\n  <a class=\"code-anchor\" href=\"api/router/NavigationCancel#reason\"><span class=\"member-name\">reason</span>: string</a>\n  <a class=\"code-anchor\" href=\"api/router/NavigationCancel#toString\"><span class=\"member-name\">toString</span>(): string</a>\n\n  // inherited from <a class=\"code-anchor\" href=\"api/router/RouterEvent\">router/RouterEvent</a>\n  <a class=\"code-anchor\" href=\"api/router/RouterEvent#constructor()\"><span class=\"member-name\">constructor</span>(id: number, url: string)</a>\n  <a class=\"code-anchor\" href=\"api/router/RouterEvent#id\"><span class=\"member-name\">id</span>: number</a>\n  <a class=\"code-anchor\" href=\"api/router/RouterEvent#url\"><span class=\"member-name\">url</span>: string</a>\n}\n</code-example>\n\n  \n  \n\n</section>\n\n\n  \n<section class=\"see-also\">\n  <h2 id=\"see-also\">See also<a title=\"Link to this heading\" class=\"header-link\" aria-hidden=\"true\" href=\"api/router/NavigationCancel#see-also\"><i class=\"material-icons\">link</i></a></h2>\n  <ul>\n  \n    <li><p><code><a href=\"api/router/NavigationStart\" class=\"code-anchor\">NavigationStart</a></code></p>\n</li>\n    <li><p><code><a href=\"api/router/NavigationEnd\" class=\"code-anchor\">NavigationEnd</a></code></p>\n</li>\n    <li><p><code><a href=\"api/router/NavigationError\" class=\"code-anchor\">NavigationError</a></code></p>\n</li>\n  </ul>\n</section>\n\n\n  \n  \n  \n\n\n\n\n\n\n<h2 id=\"constructor\">Constructor<a title=\"Link to this heading\" class=\"header-link\" aria-hidden=\"true\" href=\"api/router/NavigationCancel#constructor\"><i class=\"material-icons\">link</i></a></h2>\n<a id=\"constructor()\"></a>\n<table class=\"is-full-width method-table constructor\">\n  \n  <tbody>\n    \n  \n    <tr>\n      <td>\n        <div class=\"overload-info\">\n  \n\n  <code-example language=\"ts\" hidecopy=\"true\" class=\"no-box api-heading\"><span class=\"member-name\">constructor</span>(id: number, url: string, reason: string)</code-example>\n\n  \n\n  <h6 class=\"no-anchor\" id=\"parameters\">Parameters</h6>\n  <table class=\"is-full-width list-table parameters-table constructor-overload-parameters\">\n  <tbody>\n  \n    <tr class=\"constructor-overload-parameter\">\n      <td class=\"param-name\">\n        <a id=\"\"></a>\n        <code>id</code>\n      </td>\n      <td class=\"param-type\"><code><a href=\"api/common/DecimalPipe\" class=\"code-anchor\">number</a></code></td>\n      <td class=\"param-description\">\n                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           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                                                                                                                                                                                                                                                                                           \n      </td>\n    </tr>\n    <tr class=\"constructor-overload-parameter\">\n      <td class=\"param-name\">\n        <a id=\"\"></a>\n        <code>url</code>\n      </td>\n      <td class=\"param-type\"><code>string</code></td>\n      <td class=\"param-description\">\n                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                     \n                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                               \n      </td>\n    </tr>\n    <tr class=\"constructor-overload-parameter\">\n      <td class=\"param-name\">\n        <a id=\"\"></a>\n        <code>reason</code>\n      </td>\n      <td class=\"param-type\"><code>string</code></td>\n      <td class=\"param-description\">\n                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                             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id=\"properties\">Properties<a title=\"Link to this heading\" class=\"header-link\" aria-hidden=\"true\" href=\"api/router/NavigationCancel#properties\"><i class=\"material-icons\">link</i></a></h2>\n  <table class=\"is-full-width list-table property-table\">\n    <thead>\n      <tr>\n        <th>Property</th>\n        <th>Description</th>\n      </tr>\n    </thead>\n    <tbody>\n    \n      <tr class=\"instance-property\">\n        <td>\n          <a id=\"reason\"></a>\n          <code class=\"\"><span class=\"member-name\">reason</span>: string</code>\n        </td>\n        <td>\n           <span class=\"from-constructor\">Declared in Constructor</span>\n          \n          \n          </td>\n    </tr>\n    \n    </tbody>\n  </table>\n</section>\n\n\n\n<section class=\"instance-methods\">\n  <h2 id=\"methods\">Methods<a title=\"Link to this heading\" class=\"header-link\" aria-hidden=\"true\" href=\"api/router/NavigationCancel#methods\"><i class=\"material-icons\">link</i></a></h2>\n  \n    <a id=\"toString\"></a>\n<table class=\"is-full-width method-table instance-method\">\n  <thead><tr><th>\n    <div class=\"with-github-links\">\n    <h3 id=\"tostring\">\n      toString()\n      \n    <a title=\"Link to this heading\" class=\"header-link\" aria-hidden=\"true\" href=\"api/router/NavigationCancel#tostring\"><i class=\"material-icons\">link</i></a></h3>\n    <div class=\"github-links\">\n  <a href=\"https://github.com/angular/angular/edit/master/packages/router/src/events.ts?message=docs(router)%3A%20describe%20your%20change...#L156-L160\" aria-label=\"Suggest Edits\" title=\"Suggest Edits\"><i class=\"material-icons\" aria-hidden=\"true\" role=\"img\">mode_edit</i></a>\n  <a href=\"https://github.com/angular/angular/tree/12.0.0-next.7/packages/router/src/events.ts#L156-L160\" aria-label=\"View Source\" title=\"View Source\"><i class=\"material-icons\" aria-hidden=\"true\" role=\"img\">code</i></a>\n</div>\n    </div>\n  </th></tr></thead>\n  <tbody>\n    \n  \n    <tr>\n      <td>\n        <div class=\"overload-info\">\n  \n\n  <code-example language=\"ts\" hidecopy=\"true\" class=\"no-box api-heading\"><span class=\"member-name\">toString</span>(): string</code-example>\n\n  \n\n  <h6 class=\"no-anchor\" id=\"parameters-1\">Parameters</h6>\n  <p>There are no parameters.</p>\n\n  \n  <h6 class=\"no-anchor\" id=\"returns\">Returns</h6>\n  <p><code>string</code></p>\n\n  \n\n\n  \n\n  \n</div>\n      </td>\n    </tr>\n  \n\n  \n\n  \n    </tbody>\n</table>\n\n  \n</section>\n\n\n\n  \n\n\n  </div>\n</article>\n\n<!-- links to this doc:\n - api/router\n - api/router/Event\n - api/router/NavigationEnd\n - api/router/NavigationError\n - api/router/NavigationStart\n - api/router/RouterEvent\n - guide/router\n-->\n<!-- links from this doc:\n - /api\n - api/common/DecimalPipe\n - api/router\n - api/router/NavigationCancel#constructor\n - api/router/NavigationCancel#constructor()\n - api/router/NavigationCancel#methods\n - api/router/NavigationCancel#navigationcancel\n - api/router/NavigationCancel#properties\n - api/router/NavigationCancel#reason\n - api/router/NavigationCancel#see-also\n - api/router/NavigationCancel#toString\n - api/router/NavigationCancel#tostring\n - api/router/NavigationEnd\n - api/router/NavigationError\n - api/router/NavigationStart\n - api/router/RouterEvent\n - api/router/RouterEvent#constructor()\n - api/router/RouterEvent#id\n - api/router/RouterEvent#url\n - api/router/UrlTree\n - https://github.com/angular/angular/edit/master/packages/router/src/events.ts?message=docs(router)%3A%20describe%20your%20change...#L134-L161\n - https://github.com/angular/angular/edit/master/packages/router/src/events.ts?message=docs(router)%3A%20describe%20your%20change...#L156-L160\n - https://github.com/angular/angular/tree/12.0.0-next.7/packages/router/src/events.ts#L134-L161\n - https://github.com/angular/angular/tree/12.0.0-next.7/packages/router/src/events.ts#L156-L160\n-->"
}