Method: 1. Use the "document.getElementsByTagName("Element")" statement to obtain the element object whose class needs to be removed; 2. Use the "Element Object.removeAttribute("class")" statement to remove the class of the specified element. That’s it.

The operating environment of this tutorial: Windows 10 system, JavaScript version 1.8.5, Dell G3 computer.

How to remove class in javascript

The removeAttribute() method can delete the specified attribute

The syntax is:

element.removeAttribute(attributename)

Attributename is used to specify the name of the attribute to be deleted.​

This method has no return value.

The example is as follows:

    



Hello World
点击下面的按钮删除上面的标题的样式属性
点我

Output result:

After clicking the button:

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