If you need to add or remove a class from the body element, you can use the classList.add () and classList.remove () methods. Display class status in <div id='result1'></div> using JavaScript. JavaScript code to check if the element with class name exists. Check if the button has the disabled attribute by calling the hasAttribute() method on the button element. This is done with the contains method of the classList object. The method returns a boolean result - true if the class is contained in the element's class list and false otherwise. Create a variable named elem and store the h1 element by using document.getElementById ( ) Now check if the element has the class name main and also checking if the class name myClass present or not. 1. js check if has class in parent. This returns a string of true or false when looking for a specific body class using jQuery's .hasClass: $("body").hasClass("your-class-name").toString(); Share If the element contains the className, the method returns . check if body contains class javascript vanilla. Here's how this looks like in a code snippet: document.querySelector('#my-element').classList.contains('my-class'); For this function to work, make sure to . How to check if element has class in JavaScript. Static members (properties and methods) are called without instantiating their class and cannot be called through a class instance. javascript element classlist contains if classlist contains js checking iff a class containes in a classlist js js check of classlist contains classlist contains in js check classlist has class classlist contains class js check for a string in classlist check for a specific string in classlist how to check entire qlist class within the class . Syntax $ ( selector ).hasClass ( classname) jQuery HTML/CSS Methods Use element.classList.contains method to check for a class: // returns 'true' if the class exists, and 'false' if it doesn't. const isActive = button.classList.contains("active"); It's really as simple as that! First we use querySelector() to grab our Technlogy button element via its class selector .btn-technology. Create a button that calls hasClass () function. Static methods are often used to create utility functions for an application, whereas static properties are useful for caches, fixed-configuration . In example, I am checking red class on <div id='divel' >. javascript get the body element set class. // check if #target-element . Viewed 7k times . The hasClass () method checks if any of the selected elements have a specified class name. jQuery hasClass () - check for more than one class if classlist contains js js contains class check if element with class has another class javascript check if body has class javascript check if property exists javascript class exists javascript jQuery check if class contains any element jquery check if has class And we want to check if the element has the active class. Modified 2 years, 6 months ago. const element = document.querySelector("#box"); element.classList.contains("active"); Hi there. If you're looking for JavaScript has class or JavaScript hasclass then there's a high probability that you used to work with jQuery in the past. The method returns true if the provided class is contained in the element's class list and false otherwise. Javascrip shorthand if body has class. Below is our JavaScript code where we have used the getElementsByClassName of DOM: const classList = document.getElementsByClassName("className"); const classLength . 10 4.3(10 Votes) 0 Are there any code examples left? Summary. For example, given the HTML above, the following will return true: The hasClass () method checks whether any of the selected elements have a specified class name. javascript if body has not class. May be its easier to find all the elements that have the class, and check if any of them contain the current node (not tested code): To check if event.target has specific class, call the classList.contains () method on the target object, e.g. Here is the HTML for the examples in this article. It contains well written, well thought and well explained computer science and programming articles, quizzes and practice/competitive programming/company interview Questions. The method will be able to return an array-like object of all child elements which have all of the given class names. To check if an element contains a class, you use the contains () method of the classList property of the element: element.classList.contains ( className ); Code language: CSS (css) In this method, you pass the className to the contains () method of the classList property of the element. Pass <div > instance and class name that needs to check. If ANY of the selected elements has the specified class name, this method will return "true". index.js Similar to the jQuery hasClass method, there exists a native Javascript method that tells whether the DOM element contains the specified CSS class or not. A Computer Science portal for geeks. Code language: JavaScript (javascript) How it works: Select the button with the id btnSend by using the querySelector() method. ; Then we use querySelectorAll() to grab all our News Feed (.news-feed) items and select each item link by their class name (.link). The static keyword defines a static method or property for a class. Now create a script tag and write the javascript code. check if element has class. I'm trying to select a div parent, but ONLY if that div has a child element with the class .refills. Elements may have multiple classes assigned to them. Javascript. It's great news that you don't need a library anymore to check if an element has a class or not because you can now simply do it with a call to classList.contains ("class-name") Here's an example. document body has class. Code examples and tutorials for Check If Body Has Class Javascript. Check class on a single element using JavaScript HTML Create a <div id='divel' > and added class red to it. Ask Question Asked 6 years, 9 months ago. The classList object is a property of the DOM element containing a list of its class attributes. let elem = document.getElementById ("main"); let isMainPresent = elem.classList . event.target.classList.contains ('box1'). Use the hasAttribute() method to check if an element contains a specified attribute. Vanilla javascript check if element or ancestor has class Vanilla javascript check if element or ancestor has class. The method returns true if any of the selected elements has the specified class name. javascript element string function How the JavaScript code works. We used the classList.contains method to check if the body element has a specific class. if page if body hass class. For some reason, though I've wrapped this in an each, and if statement, the . Here's how to do this in two simple steps. which will act as the trigger for our filtering function later.We assign our button element to a variable called btn-technology. javascript check if node has class. index.html To check if a DOM element has a CSS class in JavaScript, select the element with document.querySelector () and use the classList.contains () function to test for the class you want. The .hasClass() method will return true if the class is assigned to an element, even if other classes also are. check if body has class javascript DanH if(document.getElementById("myElmentID").classList.contains("hidden")){ // I have the 'hidden' class View another examples Add Own solution Log in, to leave a comment 4.3 10 TrackZero 95 points document.body.classList.contains('my-class-name') Thank you! 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