关键词: onclick backgroundColor
<html>
<meta charset="utf-8">
<title></title>
<body>
<div style="width:300px;height:300;background:red;"
οnclick="bianse(this)">点击</div>
</body>
<script>
function bianse(obj){
obj.style.backgroundColor='green'
}
</script>
</html>
![](https://img.laitimes.com/img/__Qf2AjLwojIjJCLyojI0JCLiAzNvwVZ2x2bzNXak9CX90TQNNkRrFlQKBTSvwFbslmZvwFMwQzLcVmepNHdu9mZvwFVywUNMZTY18CX052bm9CX6lFVONTWE5UeRpHW4Z0MMBjVtJWd0ckW65UbM5WOHJWa5kHT20ESjBjUIF2LcRHelR3LcJzLctmch1mclRXY39jM2ITO1MjM1EDMyATM4EDMy8CX0Vmbu4GZzNmLn9Gbi1yZtl2Lc9CX6MHc0RHaiojIsJye.jpg)