How to operate class and style in JavaScript _ javascript tips-js tutorial

This article mainly introduces the JavaScript class and style operations. If you need more information, you can directly paste the js Code. The specific code is as follows:

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ChangeStyle ()Script function changeStyle () {var p = document. getElementById ("p"); // p. className = "fontSize"; // p. className + = "fontWeight"; // delete a single class = "" style // p. className = p. className. replace (/fontSize/, ""); // delete all classes = "" style // p. removeAttribute ("class"); // delete a single style p.style.css Text = p.style.css Text in style =. replace (/red/, "blue"); // delete all styles in style = "" // p.style.css Text = "";} script

The above content is a detailed explanation of the class and style code for JavaScript operations, and I hope to help you.