JQuery adds and deletes the element class attribute instance code, jqueryclass

JQuery adds and deletes the element class attribute instance code, jqueryclass

JQuery adds and deletes the element class attribute instance code: the class attribute of the element is generally used to set the style, so adding or deleting the element means changing the style of the element, the following describes how to use jQuery to delete and add the class attribute values of an element, hoping to help you.
The code example is as follows:

 

Function switchTeachControl () {var target = $ ("# thediv"); if (target. hasClass ("controlOff") {target. removeClass ("controlOff"); target. addClass ("controlOn");} else {target. removeClass ("controlOn"); target. addClass ("controlOff ");}}

 

This is a function. This function can check whether a specified class attribute value exists in the element and add or delete the element accordingly. We will not introduce it here. For details, refer to relevant reading.
Related reading:
1. For details about hasClass () functions, refer to the hasClass () method in jQuery.
2. For the removeClass () function, see the removeClass () method section of jQuery.
3. For the addClass () function, see the addClass () method section of jQuery.

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