The example is as follows:
Copy code code as follows:
<! Doctype HTML PUBLIC "-// W3C // DTD XHTML 1.0 Transitional // EN" http://www.w3.org/xhtml1/dtddml1-transitationAl.dtd ">
<html xmlns = "http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv = "content-type" content = "text /html; charset = utf-8" /> />
<Title> Non -Title Document </Title>
<script type = "text/javascript">
// Use JavaScript to obtain elements through className to obtain elements
Function GetelementsbyByClassName (n) {
var Classelements = [], AlleLements = Document.GetelementsBytagname ('*');
for (var I = 0; I <llelements.length; i ++) {
if (Allelements [i] .classname == n) {{
CLASSELEMENTS [CLASSELEMENTS.Length] = Allelements [i];
}
}
Return classelements;
}
</script>
<Style Type = "Text/CSS">
.shouye {
font-size: 12px;
color: red;
}
</style>
</head>
<body>
<div> Zhang San </div>
<script type = "text/javascript">
var xx = GetelementsByClassName ('Shouye');
for (var I = 0; I <xx.Length; i ++) {
Xx [i] .classname = "";
}
</script>
</body>
</html>