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Shourov Foisal answered on May 22, 2020 Popularity 10/10 Helpfulness 5/10

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// select element and append class
const div = document.querySelector('div');
div.classList.add('class-1', 'class-2', 'class-3', 'class-n');

// create element and append class
const div = document.createElement('div');
div.classList.add('class-1', 'class-2', 'class-3', 'class-n');

Popularity 10/10 Helpfulness 5/10 Language javascript

Source: Grepper

Tags: add class edit element html javascript simultaneous

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Contributed on Feb 12 2022

Shourov Foisal

0 Answers Avg Quality 2/10

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117

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.

Popularity 10/10 Helpfulness 5/10 Language javascript

Source: developer.mozilla.org

Tags: javascript j

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Contributed on May 22 2020

Kind Kinkajou

0 Answers Avg Quality 2/10

JS classList

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-- HTML --
<div class='container'></div>

-- JAVASCRIPT --
element.classList.contains('container'); // True or false
element.classList.add('my-class'); // Adds the class if it isn't present yet
element.classList.remove('my-class'); // Removes the class if it’s present
element.classList.toggle('my-class'); // Adds if not present, else removes

Popularity 10/10 Helpfulness 4/10 Language javascript

Source: careerfoundry.com

Tags: javascript j

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Contributed on Apr 11 2022

Quaint Quelea

0 Answers Avg Quality 2/10

js classlist

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// querySelector() - you can use element name / #id / .class
const varName = document.querySelector('div #idName .className');
// add class - classList.add()
varName.classList.add('someClassName'); // class name without the dot 
// remove class - classList.remove()
varName.classList.remove('someClassName');

Popularity 10/10 Helpfulness 3/10 Language javascript

Source: Grepper

Tags: javascript j

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Contributed on May 29 2022

Manga301

0 Answers Avg Quality 2/10

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