JavaScript Modify class list for multiple elements javascript modify class list

How can I modify the class list via jQuery or JavaScript for multiple classes in one step?

I have several classes in my form like

<div class="form-group has-error has-feedback">...</div>
<div class="form-group has-error has-feedback">...</div>
<div class="form-group has-error has-feedback">...</div>

How can I remove all the classes except form-group?

<div class="form-group">...</div>
<div class="form-group">...</div>
<div class="form-group">...</div>
Answer:1

You can use the .removeClass() method.

$(".form-group.has-error.has-feedback").removeClass("has-error has-feedback");

From the jQuery Documentation:

Description:

Remove a single class, multiple classes, or all classes from each element in the set of matched elements.

...

If a class name is included as a parameter, then only that class will be removed from the set of matched elements. If no class names are specified in the parameter, all classes will be removed.

Answer:2

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