javascript classlist add Code Answer’s

This is the classlist add function, which you can use to create a new list item. You pass it the text and the CSS classes of the list item. The function will return a div element with all the required elements, including an element, and some additional CSS classes.

js classlist

By Kind KinkajouKind Kinkajou on May 22, 2020
classList.item(index); // Returns the item in the list by its index, or undefined if index is greater than or equal to the list's length
classList.contains(token); // Returns true if the list contains the given token, otherwise false.
classList.add(token1[, ...tokenN]); // Adds the specified token(s) to the list.
classList.remove(token1[, ...tokenN]); // Removes the specified token(s) from the list.
classList.replace(oldToken, newToken); // Replaces token with newToken.
classList.supports(token); // Returns true if a given token is in the associated attribute's supported tokens.
classList.toggle(token[, force]); // Removes token from the list if it exists, or adds token to the list if it doesn't. Returns a boolean indicating whether token is in the list after the operation.
classList.entries(); // Returns an iterator, allowing you to go through all key/value pairs contained in this object.
classList.forEach(callback[ ,thisArg]); // Executes a provided callback function once per DOMTokenList element.
classList.keys(); // Returns an iterator, allowing you to go through all keys of the key/value pairs contained in this object.
classList.values(); // Returns an iterator, allowing you to go through all values of the key/value pairs contained in this object.

Source: developer.mozilla.org

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24

classList has class

By Evergreen TomatoEvergreen Tomato on Jun 18, 2020
if (document.body.classList.contains('thatClass')) {
    // do some stuff
}

Source: stackoverflow.com

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0

add to classlist javascript

By Lokesh003Lokesh003 on Jun 29, 2020
Add multiple classes to a <div> element:
document.getElementById("myDIV").classList.add("mystyle", "anotherClass", "thirdClass");

Remove a class from a <div> element:
document.getElementById("myDIV").classList.remove("mystyle");

Remove multiple classes from a <div> element:
document.getElementById("myDIV").classList.remove("mystyle", "anotherClass", "thirdClass");

Toggle between two classes for a <div> element:
document.getElementById("myDIV").classList.toggle("newClassName");

Find out if an element has a "mystyle" class:
document.getElementById("myDIV").classList.contains("mystyle");

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2

There are two ways to add classes to an element. You can use the classList property of an element, or you can use the class attribute of an element.

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