18910140161

JavaScript-为什么我不能切换汉堡包菜单的显示-堆栈溢出

顺晟科技

2022-10-19 12:28:26

76

我正在尝试使用汉堡包图标来切换ul元素的显示,这样当我单击该图标时,ul元素将被显示或隐藏 下面是我的代码。

ul元素消失得很快,并且不会停留更长时间。我想点击汉堡包菜单并显示ul元素或隐藏它们。感谢您的帮助。

<!DOCTYPE html>
<!--[if lt IE 7]>      <html class="no-js lt-ie9 lt-ie8 lt-ie7"> <![endif]-->
<!--[if IE 7]>         <html class="no-js lt-ie9 lt-ie8"> <![endif]-->
<!--[if IE 8]>         <html class="no-js lt-ie9"> <![endif]-->
<!--[if gt IE 8]>      <html class="no-js"> <!--<![endif]-->
<html>
    <head>
        <meta charset="utf-8">
        <meta http-equiv="X-UA-Compatible" content="IE=edge">
        <title>Fashionation</title>
        <meta name="description" content="">
        <meta name="viewport" content="width=device-width, initial-scale=1">
        <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/4.7.0/css/font-awesome.min.css">
        <link rel="stylesheet" href="style.css">
    </head>
    <body>
        <header>
            <nav>
                <a href="#">Brand Name</a>
                <ul id="list">
                    <li><a href="">Home</a></li>
                    <li><a href="">New Arrivals</a></li>
                    <li><a href="">Clothes</a></li>
                    <li><a href="">Sales</a></li>
                    <li><a href="">Stores</a></li>
                    <li><a href="">About</a></li>
                    <li><a href="">Contact</a></li>
                </ul>
                <a href="" class="menu" id="menu" onclick="displayMenu()"><i class="fa fa-bars fa-2x"></i></a>
            </nav>
        </header>
        
        <script src="script.js"></script>
    </body>
</html>

CSS

<!DOCTYPE html>
<!--[if lt IE 7]>      <html class="no-js lt-ie9 lt-ie8 lt-ie7"> <![endif]-->
<!--[if IE 7]>         <html class="no-js lt-ie9 lt-ie8"> <![endif]-->
<!--[if IE 8]>         <html class="no-js lt-ie9"> <![endif]-->
<!--[if gt IE 8]>      <html class="no-js"> <!--<![endif]-->
<html>
    <head>
        <meta charset="utf-8">
        <meta http-equiv="X-UA-Compatible" content="IE=edge">
        <title>Fashionation</title>
        <meta name="description" content="">
        <meta name="viewport" content="width=device-width, initial-scale=1">
        <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/4.7.0/css/font-awesome.min.css">
        <link rel="stylesheet" href="style.css">
    </head>
    <body>
        <header>
            <nav>
                <a href="#">Brand Name</a>
                <ul id="list">
                    <li><a href="">Home</a></li>
                    <li><a href="">New Arrivals</a></li>
                    <li><a href="">Clothes</a></li>
                    <li><a href="">Sales</a></li>
                    <li><a href="">Stores</a></li>
                    <li><a href="">About</a></li>
                    <li><a href="">Contact</a></li>
                </ul>
                <a href="" class="menu" id="menu" onclick="displayMenu()"><i class="fa fa-bars fa-2x"></i></a>
            </nav>
        </header>
        
        <script src="script.js"></script>
    </body>
</html>

JavaScript

<!DOCTYPE html>
<!--[if lt IE 7]>      <html class="no-js lt-ie9 lt-ie8 lt-ie7"> <![endif]-->
<!--[if IE 7]>         <html class="no-js lt-ie9 lt-ie8"> <![endif]-->
<!--[if IE 8]>         <html class="no-js lt-ie9"> <![endif]-->
<!--[if gt IE 8]>      <html class="no-js"> <!--<![endif]-->
<html>
    <head>
        <meta charset="utf-8">
        <meta http-equiv="X-UA-Compatible" content="IE=edge">
        <title>Fashionation</title>
        <meta name="description" content="">
        <meta name="viewport" content="width=device-width, initial-scale=1">
        <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/4.7.0/css/font-awesome.min.css">
        <link rel="stylesheet" href="style.css">
    </head>
    <body>
        <header>
            <nav>
                <a href="#">Brand Name</a>
                <ul id="list">
                    <li><a href="">Home</a></li>
                    <li><a href="">New Arrivals</a></li>
                    <li><a href="">Clothes</a></li>
                    <li><a href="">Sales</a></li>
                    <li><a href="">Stores</a></li>
                    <li><a href="">About</a></li>
                    <li><a href="">Contact</a></li>
                </ul>
                <a href="" class="menu" id="menu" onclick="displayMenu()"><i class="fa fa-bars fa-2x"></i></a>
            </nav>
        </header>
        
        <script src="script.js"></script>
    </body>
</html>

顺晟科技:

使用此href=“”会导致重新加载页面。

使用以下解决方案之一。

<!DOCTYPE html>
<!--[if lt IE 7]>      <html class="no-js lt-ie9 lt-ie8 lt-ie7"> <![endif]-->
<!--[if IE 7]>         <html class="no-js lt-ie9 lt-ie8"> <![endif]-->
<!--[if IE 8]>         <html class="no-js lt-ie9"> <![endif]-->
<!--[if gt IE 8]>      <html class="no-js"> <!--<![endif]-->
<html>
    <head>
        <meta charset="utf-8">
        <meta http-equiv="X-UA-Compatible" content="IE=edge">
        <title>Fashionation</title>
        <meta name="description" content="">
        <meta name="viewport" content="width=device-width, initial-scale=1">
        <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/4.7.0/css/font-awesome.min.css">
        <link rel="stylesheet" href="style.css">
    </head>
    <body>
        <header>
            <nav>
                <a href="#">Brand Name</a>
                <ul id="list">
                    <li><a href="">Home</a></li>
                    <li><a href="">New Arrivals</a></li>
                    <li><a href="">Clothes</a></li>
                    <li><a href="">Sales</a></li>
                    <li><a href="">Stores</a></li>
                    <li><a href="">About</a></li>
                    <li><a href="">Contact</a></li>
                </ul>
                <a href="" class="menu" id="menu" onclick="displayMenu()"><i class="fa fa-bars fa-2x"></i></a>
            </nav>
        </header>
        
        <script src="script.js"></script>
    </body>
</html>

<!DOCTYPE html>
<!--[if lt IE 7]>      <html class="no-js lt-ie9 lt-ie8 lt-ie7"> <![endif]-->
<!--[if IE 7]>         <html class="no-js lt-ie9 lt-ie8"> <![endif]-->
<!--[if IE 8]>         <html class="no-js lt-ie9"> <![endif]-->
<!--[if gt IE 8]>      <html class="no-js"> <!--<![endif]-->
<html>
    <head>
        <meta charset="utf-8">
        <meta http-equiv="X-UA-Compatible" content="IE=edge">
        <title>Fashionation</title>
        <meta name="description" content="">
        <meta name="viewport" content="width=device-width, initial-scale=1">
        <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/4.7.0/css/font-awesome.min.css">
        <link rel="stylesheet" href="style.css">
    </head>
    <body>
        <header>
            <nav>
                <a href="#">Brand Name</a>
                <ul id="list">
                    <li><a href="">Home</a></li>
                    <li><a href="">New Arrivals</a></li>
                    <li><a href="">Clothes</a></li>
                    <li><a href="">Sales</a></li>
                    <li><a href="">Stores</a></li>
                    <li><a href="">About</a></li>
                    <li><a href="">Contact</a></li>
                </ul>
                <a href="" class="menu" id="menu" onclick="displayMenu()"><i class="fa fa-bars fa-2x"></i></a>
            </nav>
        </header>
        
        <script src="script.js"></script>
    </body>
</html>

如果使用第二种解决方案,请将内联 css到您的css类“菜单”。

不应用于此特定任务。用代替。用和在一些样式的帮助下,您可以获得完全相同的结果

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