Function Onclick Javascript Change Class

1 in place of onclickmyFunction use the following JS code onclickquotthis.className'' this.style.backgroundColor'gray' If you dont need much of CSS to define the new style then you can simply modify some of the style attributes e.g. in this case background-color you can simply use JS to control that.

Description The onclick event occurs when the user clicks on an HTML element.

In modern browsers you can use the DOM element's classList property to add, remove or toggle CSS classes to the HTML elements dynamically with JavaScript. The following example will show you how to change the class of a DIV element onclick of the button. It works all major browsers such as Chrome, Firefox, Microsoft Edge, Safari, etc.

Changing the class of an element with onclick javascript Asked 13 years ago Modified 13 years ago Viewed 13k times

Instead, you can write the JavaScript in a function, calling the said function in an onclick attribute then moving the event from HTML code to JavaScript. You can achieve this with the .addEventListener attribute.

How can I change the class of an HTML element in response to an onclick or any other events using JavaScript?Best Practices Use classList whenever possible to avoid unintentional overwriting. Check for Existing Classes if you need precise behavior e.g., only add a class if not already present. Event Binding Ensure you attach event listeners after the DOM is loaded e.g., put your script at

A step-by-step guide on how to add a class to the clicked element in JavaScript.

This post is describing how to add class to element JavaScript. That means how to add a class to an HTML element in a javascript onclick event with source code.

By adding a button or hyperlink to either perform this function onclick or as href, I can toggle any element in the HTML document containing the light or dark class and effectively make a toggle switch to switch the sub design classes.

Here are two different ways to change the element class with JavaScript. 1. Using .className Property In this approach, we are using document.getElementById method to get access to the element for which we want to change the class name then we use using .className property on that selected element to directly assign the class name to the element, for doing that we have created a function in