How to get elements and delete them in javascript-JS Tutorial-php.cn

How to get elements and delete them in javascript

青灯夜游

Release： 2021-06-22 12:50:40

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Javascript method to get and delete elements: First use the "document.querySelector(element name)" or "document.getElementById(id value)" statement to get the element object; then use "element object.remove()" Statement to delete elements.

How to get elements and delete them in javascript

The operating environment of this tutorial: windows7 system, javascript version 1.8.5, Dell G3 computer.

javascript method to get and delete elements

<!DOCTYPE html>
<html>
<head>
	<meta charset="utf-8">
</head> 
  
<body> 
    <div id="div" style="border: 2px dashed #006DAF;padding: 10px;">div元素</div> 
    <input id="btn" type="button" value="删除子节点"> 
</body> 
<script> 
    function deleteChild() { 
        // var div = document.querySelector("div"); 
		   var div=document.getElementById("div");
            div.remove(); 

    } 
    var btn = document.getElementById("btn").onclick = function() { 
        deleteChild(); 
    } 
</script> 
  
</html>

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How to get elements and delete them in javascript Description:

# The ##querySelector() method returns an element in the document that matches the specified CSS selector.

The getElementById() method returns a reference to the first object with the specified ID.

Theremove() method can be used to delete all elements on the parent node, including all text and child nodes.

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