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Merged
ruanyf merged 1 commit into from
Dec 26, 2018
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Update css.md #87

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2 changes: 1 addition & 1 deletion docs/dom/css.md
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Original file line number Diff line number Diff line change
Expand Up @@ -756,7 +756,7 @@ var mdl = window.matchMedia('(min-width: 400px)');
mdl instanceof MediaQueryList // true
```

注意，如果参数不是有效的`MediaQuery`条件语句，`window.matchMedia`不会报错，依然返回的一个 MediaQueryList 实例。
注意，如果参数不是有效的`MediaQuery`条件语句，`window.matchMedia`不会报错，依然返回一个 MediaQueryList 实例。

```javascript
window.matchMedia('bad string') instanceof MediaQueryList // true
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