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>
以上就是小编为大家带来的输入框点击时边框变色效果的实现方法全部内容了，希望大家多多支持北冥有鱼~
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