How to delete element attributes in javascript

Javascript method to delete element attributes: first use the "document.getElementById("id value")" statement to obtain the element object based on the id value; then use the "element object.removeAttribute("attribute name")" statement to Remove an attribute from an element.

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

In javascript, you can use the removeAttribute() method to delete element attributes, syntax:

removeAttribute("属性名")

Example:

<h1 style="color:red">Hello World</h1>

<p id="demo">点击按钮来删除标题中的 style 属性。</p>

<button onclick="myFunction()">试一下</button>

<script>
	function myFunction() {
		document.getElementsByTagName("H1")[0].removeAttribute("style");
	}
</script>

Rendering:

[Recommended learning: javascript advanced tutorial]

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