Attributes/API/jQuery - Sample Code
attr(key,fn)
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"
"http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<script src="/jquery/js/jquery.js"></script>
<script>
$(document).ready(function(){
$("div").attr("id", function (arr) {
return "div-id" + arr[0];
})
.each(function () {
$("span", this).html("(ID = '<b>" + this.id + "</b>')");
});
});
</script>
<style>
div { color:blue; }
span { color:red; }
b { font-weight:bolder; }
</style>
</head>
<body>
<div>Zero-th <span></span></div>
<div>First <span></span></div>
<div>Second <span></span></div>
</body>
</html>
[実行結果]