Selection.removeAllRanges()

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这是一个实验中的功能
此功能某些浏览器尚在开发中，请参考浏览器兼容性表格以得到在不同浏览器中适合使用的前缀。由于该功能对应的标准文档可能被重新修订，所以在未来版本的浏览器中该功能的语法和行为可能随之改变。

Selection.removeAllRanges()方法会从当前selection对象中移除所有的range对象,取消所有的选择只留下anchorNode 和focusNode属性并将其设置为null。

语法

sel.removeAllRanges();

无。

规范	状态	注释
HTML Editing APIs Selection.removeAllRanges()	Editor's Draft	Initial definition
Selection API Selection.removeAllRanges()	Working Draft	Current

	Desktop						Mobile
	Chrome	Edge	Firefox	Internet Explorer	Opera	Safari	Android webview	Chrome for Android	Firefox for Android	Opera for Android	Safari on iOS	Samsung Internet
`removeAllRanges` Experimental	Chrome Full support Yes	Edge Full support 12	Firefox Full support Yes	IE Full support Yes	Opera Full support Yes	Safari Full support Yes	WebView Android Full support Yes	Chrome Android Full support Yes	Firefox Android Full support Yes	Opera Android Full support Yes	Safari iOS Full support Yes	Samsung Internet Android ?

Full support: Full support
Compatibility unknown: Compatibility unknown
Experimental. Expect behavior to change in the future.: Experimental. Expect behavior to change in the future.