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docs(decorator): edit decorator

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ruanyf 2017-08-16 19:41:38 +08:00
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docs/decorator.md
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@ -230,8 +230,8 @@ class Person {
```javascript
function dec(id){
console.log('evaluated', id);
return (target, property, descriptor) => console.log('executed', id);
console.log('evaluated', id);
return (target, property, descriptor) => console.log('executed', id);
}
class Example {
@ -247,7 +247,7 @@ class Example {
上面代码中，外层修饰器`@dec(1)`先进入，但是内层修饰器`@dec(2)`先执行。
除了注释，修饰器还能用来类型检查。所以，对于类来说，这项功能相当有用。从长期来看，它将是JavaScript代码静态分析的重要工具。
除了注释，修饰器还能用来类型检查。所以，对于类来说，这项功能相当有用。从长期来看，它将是 JavaScript 代码静态分析的重要工具。
## 为什么修饰器不能用于函数？
@ -430,7 +430,7 @@ person.facepalmHarder();
**（5）@suppressWarnings**
`suppressWarnings`修饰器抑制`decorated`修饰器导致的`console.warn()`调用。但是，异步代码发出的调用除外。
`suppressWarnings`修饰器抑制`deprecated`修饰器导致的`console.warn()`调用。但是，异步代码发出的调用除外。
```javascript
import { suppressWarnings } from 'core-decorators';