返回值:jQuerydetach([selector])
Remove the set of matched elements from the DOM.
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1.4 新增detach([selector])
selector (Selector) 可选参数，A selector expression that filters the set of matched elements to be removed.
The .detach() method is the same as .remove(), except that .detach() keeps all jQuery data associated with the removed elements. This method is useful when removed elements are to be reinserted
into the DOM at a later time.
示例:
Detach all paragraphs from the DOM
<!DOCTYPE html>
<html>
<head>
<style>p { background:yellow; margin:6px 0; } p.off { background: black; }</style>
<script src="jquery.min.js"></script>
</head>
<body>
<p>Hello</p>
how are
<p>you?</p>
<button>Attach/detach paragraphs</button>
<script>
$("p").click(function(){
$(this).toggleClass("off");
});
var p;
$("button").click(function(){
if ( p ) {
p.appendTo("body");
p = null;
} else {
p = $("p").detach();
}
});
</script>
</body>
</html>