How to dynamically add dynamic css styles in jq

The method for jq to dynamically add dynamic css styles: first prepare the jquery library file and declare a class style; then prepare an event loading initialization method and directly use the anonymous function; then addClass method to add class to the div element ;Finally make cascading changes through css methods.

The operating environment of this tutorial: windows7 system, css3&&jquery3.2.1 version, DELL G3 computer.

How to dynamically add dynamic css styles with jq:

1. First prepare the jquery library file in html and prepare a div element, as shown in the figure below

2. Then we declare a class style in the style tag, as shown in the figure below

3. Next, prepare For an event loading initialization method, you can directly use an anonymous function in jquery, as shown in the figure below

4. Then we add a div element through jquery's addClass method. class, as shown in the figure below

5. Removing the style of a class is also very simple, as shown in the figure below, you can use removeClass

6. Of course, you can also make cascading changes through css methods, as shown in the figure below

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