版权声明：本文为博主原创文章，遵循 CC 4.0 BY-SA 版权协议，转载请附上原文出处链接和本声明。
<!DOCTYPE html>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title></title>
<meta charset="utf-8" />
</head>
<body>
<input id="btn1" type="button" name="btn" value="哈哈" />
<input id="btn2" type="button" name="btn" value="哈哈" />
<input id="btn3" type="button" name="btn" value="哈哈" />
<input id="btn4" type="button" name="btn" value="哈哈" />
<input id="btn5" type="button" name="btn" value="哈哈" />
<script type="text/javascript">
window.onload = function () {
var inputs = document.getElementsByTagName('input');
for (var i = 0; i < inputs.length; i++)
{
if (inputs[i].type == 'button')
{
inputs[i].onclick = function () {
for (var j = 0; j < inputs.length; j++)
{
if (inputs[j].type == 'button')
{
inputs[j].value = '哈哈';
}
}
this.value = '呜呜';
};
}
}
};
</script>
</body>
</html>