Methods to delete meta tags: 1. Use the removeChild() method to delete, the syntax is "meta element object.parentNode.removeChild(meta element object)"; 2. Use the remove() method to delete, the syntax is "meta element Object.remove()".
The operating environment of this tutorial: windows7 system, javascript version 1.8.5, Dell G3 computer.
Method 1. Use the removeChild() method to delete the meta tag element
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8" id="remove">
</head>
<body style="text-align:center;">
<p style="font-size: 19px; font-weight: bold;">单击按钮删除meta元素</p>
<button onClick="Fun()">点击这里</button>
<p id="DOWN" style="color: green; font-size: 24px; font-weight: bold;"> </p>
<!-- Script to remove HTML element -->
<script>
var down = document.getElementById('DOWN');
var meta = document.getElementById('remove'); //获取meta标签元素对象
function Fun() {
meta.parentNode.removeChild(meta);
down.innerHTML = "元素被删除！";
}
</script>
</body>
</html>Rendering:
Method 2. Use the remove() method to delete the meta tag element from the document
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8" id="remove">
</head>
<body style="text-align:center;">
<p style="font-size: 19px; font-weight: bold;">单击按钮删除meta元素</p>
<button onClick="Fun()">点击这里</button>
<p id="DOWN" style="color: red; font-size: 24px; font-weight: bold;"> </p>
<!-- Script to remove HTML element -->
<script>
var down = document.getElementById('DOWN');
var meta = document.getElementById('remove'); //获取meta标签元素对象
function Fun() {
meta.remove();
down.innerHTML = "meta元素被删除！";
}
</script>
</body>
</html>Rendering:
[Recommended Study: javascript advanced tutorial】
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