时间：2021-01-13 10:00:23 | 栏目：JavaScript代码 | 点击：次
实例如下：
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="textml; charset=utf-8" />
<title>输入框点击时边框变色效果</title>
</head>
<body>
<style type="text/css">
.focusInput {border:1px solid #99CC33;}
</style>
<script type="text/javascript">
function focusInput(focusClass) {
var elements = document.getElementsByTagName("input");
for (var i=0; i < elements.length; i++) {
if (elements[i].type != "button" && elements[i].type != "submit" && elements[i].type != "reset") {
elements[i].onfocus = function() { this.className = focusClass; };
elements[i].onblur = function() { this.className = ''; };
}
}
}
window.onload = function () {
focusInput('focusInput');
}
</script>
请输入姓名：<input type="text" />
</body>
</html>