那些遇到过的问题

小编Luc*_*cas的帖子

简单的JavaScript语句不适用于侧面导航栏

我创建了一个简单的JavaScript语句来打开和关闭导航侧栏，但它只会成功打开它，我对为什么感到困惑？如果有人可以解释这将是非常有帮助的

<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <link href="../assets/css/bootstrap.min.css" rel="stylesheet">
    <link href="../assets/css/signin.css" rel="stylesheet">
    <link href="../assets/css/index.css" rel="stylesheet">
    <title>Index</title>
</head>
<body>
        <!DOCTYPE html>
        <html>
        <head>
        <meta name="viewport" content="width=device-width, initial-scale=1">
        </head>
        <body>

        <div id="mySidenav" class="sidenav">
          <a href="javascript:void(0)" class="closebtn" onclick="Nav()">&times;</a>
          <a href="#">About</a>
          <a href="#">Services</a>
          <a href="#">Clients</a>
          <a href="#">Contact</a>
        </div>
        <span style="font-size:30px;cursor:pointer" onclick="Nav()">&#9776; open</span>

        <script>
        function Nav() {
            if (document.getElementById("mySidenav").style.width = "0") {
                document.getElementById("mySidenav").style.width = "250px";
            }
            else {
                document.getElementById("mySidenav").style.width = "0";
            }
        }
        </script>

        </body>
        </html> 

    <!--JavaScript at …
Run Code Online (Sandbox Code Playgroud)

html javascript

Luc*_*cas
lucky-day
2
推荐指数
1
解决办法
51
查看次数

标签 统计

html ×1

javascript ×1