From c79e3a1d8dc75f8e8d803df169a7ae64d2c233aa Mon Sep 17 00:00:00 2001 From: chenc Date: Mon, 29 Jun 2020 12:57:04 +0800 Subject: [PATCH] Update pipes.md --- aio/content/guide/pipes.md | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/aio/content/guide/pipes.md b/aio/content/guide/pipes.md index 59a2b17546..a977fc4c9c 100644 --- a/aio/content/guide/pipes.md +++ b/aio/content/guide/pipes.md @@ -413,7 +413,7 @@ So Angular uses a faster change-detection algorithm for executing a pipe, as des By default, pipes are defined as *pure* so that Angular executes the pipe only when it detects a *pure change* to the input value. A pure change is either a change to a primitive input value (such as `String`, `Number`, `Boolean`, or `Symbol`), or a changed object reference (such as `Date`, `Array`, `Function`, or `Object`). -通过默认情况下，管道会定义成*纯的(pure)*，这样 Angular 只有在检测到输入值发生了*纯变更*时才会执行该管道。春变更是对原始输入值（比如 `String`、`Number`、`Boolean` 或 `Symbol` ）的变更，或是对对象引用的变更（比如 `Date`、`Array`、`Function`、`Object`）。 +通过默认情况下，管道会定义成*纯的(pure)*，这样 Angular 只有在检测到输入值发生了*纯变更*时才会执行该管道。纯变更是对原始输入值（比如 `String`、`Number`、`Boolean` 或 `Symbol` ）的变更，或是对对象引用的变更（比如 `Date`、`Array`、`Function`、`Object`）。 {@a pure-pipe-pure-fn}