JavaScript DOM案例点击按钮显示隐藏div 

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title></title>
    <style>
        div {
            width: 300px;
            height: 300px;
            background-color: pink;
        }
    </style>
</head>
<body>
<input type="button" value="隐藏" id="bt1"/>
<input type="button" value="显示" id="bt2"/>
<div id="dv"></div>
<script src="common.js"></script>
<script>
    //获取按钮元素,注册点击事件,添加事件处理函数

    //点击隐藏div
    my$("bt1").onclick = function () {
        my$("dv").style.display = "none";
    };
    //点击显示div
    my$("bt2").onclick = function () {
        my$("dv").style.display = "block";
    };
</script>
</body>
</html>

 

posted @ 2018-07-20 21:50  {颜逸}  阅读(215)  评论(0)    收藏  举报