JavaScript 如何删除HTML元素

给定一个HTML元素，任务是使用JavaScript将其从文档中删除。

方法：

选择需要移除的HTML元素。
使用JavaScript的 remove() 和 removeChild()方法 从HTML文档中移除该元素。

示例1： 此示例使用 removeChild() 方法删除HTML元素。

<!DOCTYPE HTML>
<html>
<head>
    <title>
        How to remove an HTML element
        using JavaScript ?
    </title>
 
    <style>
        #GFG_DIV {
            background: green;
            height: 100px;
            width: 200px;
            margin: 0 auto;
            color: white;
        }
    </style>
</head>
 
<body style="text-align:center;">
 
    <h1 style="color:green;">
        GeeksForGeeks
    </h1>
 
    <p id="GFG_UP" style="font-size: 19px; font-weight: bold;">
    </p>
 
    <div id="GFG_DIV">
        This is Div box.
    </div>
    <br>
 
    <button onClick="GFG_Fun()">
        click here
    </button>
 
    <p id="GFG_DOWN" style="color: green; 
                            font-size: 24px; 
                            font-weight: bold;">
    </p>
 
    <!-- Script to remove HTML element -->
    <script>
        let up = document.getElementById('GFG_UP');
        let down = document.getElementById('GFG_DOWN');
        let div = document.getElementById('GFG_DIV');
        up.innerHTML = "Click on button to remove the element.";
 
        function GFG_Fun() {
            div.parentNode.removeChild(div);
            down.innerHTML = "Element is removed.";
        }
    </script>
</body>
</html>

输出：

JavaScript 如何删除HTML元素

示例2： 此示例使用remove()方法从文档中移除一个HTML元素。

<!DOCTYPE HTML>
<html>
<head>
    <title>
        How to remove an HTML element
        using JavaScript ?
    </title>
 
    <style>
        #GFG_DIV {
            background: green;
            height: 100px;
            width: 200px;
            margin: 0 auto;
            color: white;
        }
    </style>
</head>
 
<body style="text-align:center;">
 
    <h1 style="color:green;">
        GeeksForGeeks
    </h1>
 
    <p id="GFG_UP" style="font-size: 19px; font-weight: bold;">
    </p>
 
    <div id="GFG_DIV">
        This is Div box.
    </div>
    <br>
 
    <button onClick="GFG_Fun()">
        click here
    </button>
 
    <p id="GFG_DOWN" style="color: green; 
                            font-size: 24px; 
                            font-weight: bold;">
    </p>
 
    <!-- Script to remove HTML element -->
    <script>
        let up = document.getElementById('GFG_UP');
        let down = document.getElementById('GFG_DOWN');
        let div = document.getElementById('GFG_DIV');
        up.innerHTML = "Click on button to remove the element.";
 
        function GFG_Fun() {
            div.remove();
            down.innerHTML = "Element is removed.";
        }
    </script>
</body>
</html>

输出:

JavaScript 如何删除HTML元素