如图
点击按钮改变文字状态。
<body> <input type="button" name="name" value="哈哈" /> <input type="button" name="name" value="哈哈" /> <input type="button" name="name" value="哈哈" /> <input type="button" name="name" value="哈哈" /> <input type="button" name="name" value="哈哈" /> <input type="button" name="name" value="哈哈" /> <input type="button" name="name" value="哈哈" /> <input type="button" name="name" value="哈哈" /><input type="button" name="name" value="哈哈" /> </body>
<script type="text/javascript">
var haha = function (id) {
var arrEle = document.getElementsByName(‘name‘);
for (var i = 0; i < arrEle.length; i++) {
if (arrEle[i].id != id)
arrEle[i].value = "哈哈";
}
}
var wuwu = function () {
this.value = "呜呜";
//哈哈
haha(this.id);
}
var ID = 0;
var arrID = function () {
var arrEle = document.getElementsByName(‘name‘);
for (var i = 0; i < arrEle.length; i++) {
arrEle[i].id = ID++;
arrEle[i].onclick = wuwu;
}
};
arrID();
</script>
原文：http://www.cnblogs.com/wjshan0808/p/3543589.html