prepend
English [pri:'pend] American [pri:'pend]
vt. ?? ????, ?? ????, ?? ????
to
English [t?] American [tu,t?]
??, ???;
adv? ??;
jquery prependTo() ??? ???
??: prependTo() ???? ??? ??? ?? ??(?? ??)? ??? ???? ?????. prepend() ? prependTo() ???? ??? ??? ????. ???? ??? ????. ??? ???? ??, prepend() ??? ???? ??? ???? ?????.
??: ??$(content).prependTo(selector)
????:
| ???? | Description |
| content | ?????. ??? ???? ?????(HTML ?? ?? ??). |
| ??? | ?????. ???? ??? ??? ?????. |
jquery prependTo() ??? ?
<html>
<head>
<script type="text/javascript" src="http://apps.bdimg.com/libs/jquery/2.1.1/jquery.min.js"></script>
<script type="text/javascript">
$(document).ready(function(){
$(".btn1").click(function(){
$("<b>Hello World!</b>").prependTo("p");
});
});
</script>
</head>
<body>
<p>This is a paragraph.</p>
<p>This is another paragraph.</p>
<button class="btn1">在每個(gè) p 元素的開(kāi)頭插入文本</button>
</body>
</html??? ????? ??? "???? ??" ??? ?????