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JavaScript DOM案例點擊按鈕顯示隱藏div

body meta none isp 顯示 獲取 按鈕 wid title

<!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="隱藏" id="bt1"/> <input type="button" value="顯示" id="bt2"/> <div id="dv"></div> <script src="common.js"></script> <script> //獲取按鈕元素,註冊點擊事件,添加事件處理函數 //點擊隱藏div my$("bt1").onclick = function () { my$("dv").style.display = "none"; };
//點擊顯示div my$("bt2").onclick = function () { my$("dv").style.display = "block"; }; </script> </body> </html>

JavaScript DOM案例點擊按鈕顯示隱藏div