The jQuery hasClass function is pretty straightforward really. Login to join the community. Definition and Usage.

this method will return "true".If you want to report an error, or if you want to make a suggestion, do not hesitate to send us an e-mail: While using this site, you agree to have read and accepted our If you did want to get the string representation of the result of the hasClass function you can always chain the There are a few other examples I can think of where the jQuery hasClass function might be useful:These can be achieved by pretty much copying the code in the above examples, just remember that the jQuery hasClass function can be plugged straight in to an if statement as it returns a boolean value.

Examples might be simplified to improve reading and basic understanding. jQuery Cards is a community to share and geek out about the latest, coolest jQuery plugins Login with: We'll never post to Twitter or Facebook without your permission. Syntax: $(selector).hasClass(className); Parameter: It accepts a “className” parameter which specifies the class name need to search in the selected element. See an example of hasClass. The selector can either be an element or a group of elements.Suppose I have a paragraph element and I want to check if it contains the class called On clicking the button the second paragraph color will be changed to Subscribe to receive notifications of new posts by email.

It returns true when it finds the CSS class else returns false.. Syntax of jQuery hasClass $(selector).hasClass("classname"); The selector can either be an element or a group of elements. You’ll see that one of So, as you can see the jQuery hasClass function returns a boolean - either true or false. Syntax: $(selector).hasClass(className); Parameter: It accepts a “className” parameter which specifies the class name need to search in the selected element.

Because :has() is a jQuery extension and not part of the CSS specification, queries using :has() cannot take advantage of the performance boost provided by the native DOM querySelectorAll() method. In this tutorial, I am explaining the following 3 methods – jQuery has inbuilt methods that allow searching for a certain class within the element. Let's take an example to demonstrate jQuery hasClass() method.Let's take another example to demonstrate jQuery hasClass() method.JavaTpoint offers too many high quality services. jQuery Cards. By using them you can easily check class on the selector and perform the action according to the response. The hasClass() is an inbuilt method in jQuery which check whether the elements with the specified class name exists or not.

Return Value: It returns true if the search is successful otherwise false. That’s where the jQuery hasClass function comes in - just select the element you want to check and call the function.Imagine you have the following snippet of HTML markup:It’s the kind of thing you might expect on a menu or navigation bar of a web page.

You may also like to read The hasClass() method checks if any of the selected elements have a specified class name. The example shows that the specified class is present in the selected element. For better performance in modern browsers, use $( "your-pure-css-selector" ).has( selector/DOMElement ) … The jQuery hasClass function is pretty straightforward really. JavaTpoint offers college campus training on Core Java, Advance Java, .Net, Android, Hadoop, PHP, Web Technology and Python. Because :has() is a jQuery extension and not part of the CSS specification, queries using :has() cannot take advantage of the performance boost provided by the native DOM querySelectorAll() method. jQuery Cards is a community to share and geek out about the latest, coolest jQuery plugins Login with: We'll never post to Twitter or Facebook without your permission.

The hasClass() is an inbuilt method in jQuery which check whether the elements with the specified class name exists or not. There might be times when you want to check an element on a page and determine whether or not it has a particular CSS class.

jQuery hasClass - Example Tutorials, references, and examples are constantly reviewed to avoid errors, but we cannot warrant full correctness of all content. It returns TRUE if the specified class is present in any of the selected elements otherwise it returns FALSE. jQuery hasClass method.

There might be times when you want to check an element on a page and determine whether or not it has a particular CSS class. Developed by JavaTpoint.

After you find the existence of the class name, you can add another class using the jQuery addClass() method. Return Value: It returns true if the search is successful otherwise false.

Posted in: Using jQuery Core > Frequently Asked Questions How do I test whether an element has a particular class? There might be times when you want to check an element on a page and determine whether or not it has a particular CSS class. For better performance in modern browsers, use $( "your-pure-css-selector" ).has( selector/DOMElement ) …

Click to Check Class. That’s handy as you can just plug it into an if statement like in the above example.
Determine whether any of the matched elements are assigned the given class. name.If ANY of the selected elements has the specified class name, That’s where the jQuery hasClass function comes in - just select the element you want to check and call the function. The .hasClass() method will return true if the class is assigned to an element, even if other classes also are. .hasClass() (added in version 1.2) handles this common use case: The :not() selector selects all elements except the specified element.

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jQuery hasClass - Example A repository of over 1000 quality jQuery plugins. Coding tutorials for people looking to become a Junior Developer or need help in their first position.The jQuery hasClass function is pretty straightforward really. The hasClass method of jQuery takes the class name as parameter and checks if a class exists in the specified element(s). Please mail your requirement at hr@javatpoint.com. That’s where the jQuery hasClass function comes in - just select the element you want to check and call the function. W3Schools is optimized for learning, testing, and training.