jquery attr 的用法
<html>
<head>
<script type="text/javascript" src="/jquery/jquery.js"></script>
<script type="text/javascript">
$(document).ready(function(){
$("button").click(function(){
$("img").attr("width",function(n,v){//此时的V值是当前属性的宽度width
return v-50; //宽度减50
});
});
});
</script>
</head>
<body>
<img src="/i/eg_smile.gif" width="128" height="128" />
<br />
<button>减少图像的宽度 50 像素</button>
</body>
</html>
相关推荐
EdwardSiCong 2020-11-23
85477104 2020-11-17
hhanbj 2020-11-17
81427005 2020-11-11
seoppt 2020-09-13
honeyth 2020-09-13
WRITEFORSHARE 2020-09-13
84483065 2020-09-11
momode 2020-09-11
85477104 2020-08-15
83510998 2020-08-08
82550495 2020-08-03
tthappyer 2020-08-03
84901334 2020-07-28
tthappyer 2020-07-25
TONIYH 2020-07-22
tztzyzyz 2020-07-20
83510998 2020-07-18
81463166 2020-07-17