const div = document.createElement('div');
div.className = 'foo';

// our starting state: <div class="foo"></div>
console.log(div.outerHTML);

// use the classList API to remove and add classes
div.classList.remove("foo");
div.classList.add("anotherclass");

// <div class="anotherclass"></div>
console.log(div.outerHTML);

// if visible is set remove it, otherwise add it
div.classList.toggle("visible");

// add/remove visible, depending on test conditional, i less than 10
div.classList.toggle("visible", i < 10 );

console.log(div.classList.contains("foo"));

// add or remove multiple classes
div.classList.add("foo", "bar", "baz");
div.classList.remove("foo", "bar", "baz");

// add or remove multiple classes using spread syntax
const cls = ["foo", "bar"];
div.classList.add(...cls);
div.classList.remove(...cls);

// replace class "foo" with class "bar"
div.classList.replace("foo", "bar");

Popularity 10/10 Helpfulness 4/10 Language javascript

Source: developer.mozilla.org

Tags: add class javascript

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Contributed on Feb 20 2021

Mehedi Islam Ripon

0 Answers Avg Quality 2/10

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js add class

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161

var element = document.getElementById('element');
element.classList.add('class-1');
element.classList.add('class-2', 'class-3');
element.classList.remove('class-3');

Popularity 10/10 Helpfulness 10/10 Language javascript

Source: Grepper

Tags: add

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Contributed on May 07 2020

just-saved-you-a-stackoverflow-visit

0 Answers Avg Quality 2/10

javascript add class

Comment

// getting the target element
var myElement = document.querySelector('#myElement');

// example for addding some-class to the element
myElement.classList.add('some-class');

// multiple classes can be added like this
myElement.classList.add('one-class', 'one-more-class');

// example for removing any class from the element
myElement.classList.remove('any-class');

Popularity 10/10 Helpfulness 5/10 Language javascript

Source: Grepper

Tags: add

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Contributed on Sep 02 2020

Scriper

0 Answers Avg Quality 2/10

add class to element javascript

Comment

element.classList.add('class');
element.classList.remove('class');

Popularity 10/10 Helpfulness 5/10 Language javascript

Source: Grepper

Tags: add

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Contributed on Jul 15 2021

Successful Sandpiper

0 Answers Avg Quality 2/10

javascript add class to element

Comment

var someElement= document.getElementById("myElement");
    someElement.className += " newclass";//add "newclass" to element (space in front is important)

Popularity 10/10 Helpfulness 5/10 Language javascript

Source: Grepper

Tags: add

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Contributed on Jul 24 2019

Grepper

0 Answers Avg Quality 2/10

javascript add class to element

Comment

const element = document.querySelector('CSS_SELECTOR')

element.classList.add('class-1') // add class-1
element.classList.remove('class-1') // remove class-1
element.classList.toggle('class-1') // add class-1 if the element does not contains the class, remove if not.

Popularity 10/10 Helpfulness 5/10 Language javascript

Source: Grepper

Tags: add

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Contributed on Apr 05 2022

Lioruby

0 Answers Avg Quality 2/10

how to add a class to an element in javascript

Comment

// This is to add a class to any html element after you store it
// in the element variable 

element.classList.add("my-class-name");

// This is to remove a class from the element

element.classlist.remove("my-class-name");

Popularity 10/10 Helpfulness 4/10 Language javascript

Source: stackoverflow.com

Tags: add

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Contributed on Nov 27 2021

Sleepy Swiftlet

0 Answers Avg Quality 2/10

javascript add class

Comment

<p id="id1">Javascript adds a CSS class to this paragraph.</p>

<script>
  // Get the element with id="id1"
  const element = document.getElementById("id1");
  
  // Add a class
  // METHOD 1
  element.classList.add("quote");
  
  // METHOD 2
  element.className += "box";
</script>

Popularity 10/10 Helpfulness 4/10 Language html

Source: devsting.com

Tags: add

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Contributed on Feb 27 2022

Clumsy Caiman

0 Answers Avg Quality 2/10

how to add class to a new element javascript

Comment

    const exampleElement = document.createElement('div');

    exampleElement.classList.add("exampleClass");

	const container = document.getElementById('container1');
    container.appendChild(exampleElement);

Popularity 10/10 Helpfulness 3/10 Language javascript

Source: Grepper

Tags: add

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Contributed on Nov 08 2022

JakubSwayer

0 Answers Avg Quality 2/10

js add class to html

Comment

const root = document.getElementsByTagName('html')[0]
root.classList.add('hide-scrollbar')

Popularity 10/10 Helpfulness 3/10 Language javascript

Source: Grepper

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Contributed on Feb 03 2022

florinrelea

0 Answers Avg Quality 2/10

js add class

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