Kara Erickson 1cfa79ca4e feat(forms): add updateOn support to ngModelOptions
This commit introduces a new option to template-driven forms that
improves performance by delaying form control updates until the
"blur" or "submit" event.  To use it, set the `updateOn` property
in `ngModelOptions`.

```html
<input ngModel [ngModelOptions]="{updateOn: blur}">
```

Like in AngularJS, setting `updateOn` to `blur` or `submit` will
delay the update of the value as well as the validation status.
Updating value and validity together keeps the system easy to reason
about, as the two will always be in sync.  It's also worth noting
that the value/validation pipeline does still run when the form is
initialized (in order to support initial values).

Upcoming PRs will address:

* Support for setting group-level `updateOn` in template-driven forms
* Option for skipping initial validation run or more global error
display configuration
* Better support of reactive validation strategies

See more context in #18408, #18514, and the [design doc](https://docs.google.com/document/d/1dlJjRXYeuHRygryK0XoFrZNqW86jH4wobftCFyYa1PA/edit#heading=h.r6gn0i8f19wz).
2017-08-15 16:28:52 -07:00
2017-06-05 11:18:20 -07:00
2017-01-27 15:03:11 -06:00
2017-08-15 15:50:43 -07:00
2017-07-07 12:09:32 -07:00

Build Status CircleCI Join the chat at https://gitter.im/angular/angular Issue Stats Issue Stats npm version

Sauce Test Status

Safari (7+), iOS (7+), Edge (14) and IE mobile (11) are tested on BrowserStack.

Angular

Angular is a development platform for building mobile and desktop web applications using Typescript/JavaScript and other languages.

Quickstart

Get started in 5 minutes.

Want to help?

Want to file a bug, contribute some code, or improve documentation? Excellent! Read up on our guidelines for contributing and then check out one of our issues in the hotlist: community-help.

Description
No description provided
Readme 142 MiB
Languages
TypeScript 68.6%
HTML 12.8%
JavaScript 8.4%
Pug 7%
Starlark 1.4%
Other 1.7%