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This article mainly introduces javascript how to remove class, the article is very detailed, has a certain reference value, interested friends must read it!

Methods: 1, use the "document.getElementsByTagName" statement to get the element object that needs to remove the class; 2, use the "element object .removeAttribute (" class ")" statement to remove the class of the specified element.

The operating environment of this tutorial: windows10 system, javascript1.8.5 version, Dell G3 computer.

The removeAttribute () method can delete the specified property.

The syntax is:

Element.removeAttribute (attributename)

Where attributename is used to specify the name of the attribute to be deleted.

The method does not return a value.

Examples are as follows:

123.red {color:red;} Hello World Click the button below to delete the style attribute of the title above

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