改变背景 

<!DOCTYPE html>
<html>

    <head>
        <meta charset="UTF-8">
        <title></title>
    </head>
    <style type="text/css">
        div {
            width: 200px;
            height: 200px;
            background-color: blanchedalmond;
        }
    </style>

    <body>
        <div id="ab"></div>
    </body>

</html>
<script type="text/javascript">
    let ab = document.getElementById('ab'); //获取元素对象
    ab.addEventListener("click", function() {
        let _this = this; //保存this的变量名
        console.log(this);
        setTimeout(function() {
            _this.style.background = "pink";//改变背景颜色
        }, 2000); //定时器事件；
    });
    
</script>

 

posted @ 2022-01-10 16:43  多肉丸子  阅读(30)  评论(0)    收藏  举报