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Rex YE 2016-11-28 13:47:14 +00:00
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@ -2180,7 +2180,7 @@ block dart-no-truthy-falsey
But if the properties haven't changed — and most of the time they will not have changed —
Angular can leave those DOM elements alone. The list UI will be smoother and more responsive.
*追踪*函数不会乐队所有 DOM 更改。
*追踪*函数不会阻止所有 DOM 更改。
如果同一个英雄的*属性*变化了Angular 就可能不得不更新DOM元素。
但是如果这个属性没有变化 —— 而且大多数时候它们不会变化 ——
Angular 就能留下这些 DOM 元素。列表界面就会更加平滑,提供更好的响应。