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W3.JS Remove Class

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Remove classes from HTML elements

Remove a class:

w3.removeClass(selector,'class')

Remove multiple classes:

w3.removeClass(selector,'class1 class2 class3...')

Remove Class by Id

Remove the "marked" class from an element with id="London":

Example

<button onclick="w3.removeClass('#London','marked')">Remove Class</button>

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Remove Class by Tag

Remove the "marked" class from all <h2> elements:

Example

<button onclick="w3.removeClass('h2','marked')">Remove Class</button>

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Remove Class by Class

Remove the "marked" class from all elements with class="city":

Example

<button onclick="w3.removeClass('.city','marked')">Remove Class</button>

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Remove Multiple Classes

To remove multiple classes from an element, separate each class with a space.

Remove both "class1" and "class2" from an element with id="London":

Example

<button onclick="w3.removeClass('#London','class1 class2')">Remove Classes</button>

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