DocumentFragment.querySelectorAll()

DocumentFragment.queryselectorall()方法返回NodeList中的元素DocumentFragment(使用文档节点的深度优先顺序遍历)匹配指定的选择器组。

如果参数中指定的选择器无效，则会引发一个带SYNTAX_ERR值的DOMException。

注意:这个API的定义被移动到ParentNode接口。

语法

elementList = documentframgment.querySelectorAll(selectors);

此示例返回DocumentFragment中所有div元素的列表，其中包含一个类“note”或“alert”:

var matches = documentfrag.querySelectorAll("div.note, div.alert");

Specification	Status	Comment
Selectors API Level 1 DocumentFragment.querySelectorAll	Obsolete	Initial definition.

	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
`querySelectorAll`	Chrome Full support 1	Edge Full support 12	Firefox Full support 3.5	IE Full support 9	Opera Full support 10	Safari Full support 3.2	WebView Android Full support Yes	Chrome Android Full support Yes	Firefox Android Full support 4	Opera Android Full support 10.1	Safari iOS Full support 3.2	Samsung Internet Android Full support Yes