How do I toggle CSS classes on click in JavaScript?

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You can toggle CSS classes on click in JavaScript by using the classList property of an HTML element. Here's an example: html <!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <style>...
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You can toggle CSS classes on click in JavaScript by using the classList property of an HTML element. Here's an example: html <!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <style> .highlight { background-color: yellow; } </style> <title>Toggle CSS Class</title> </head> <body> <div id="myElement">Click me to toggle class</div> <script> document.getElementById('myElement').addEventListener('click', function() { // Toggle the 'highlight' class on click this.classList.toggle('highlight'); }); </script> </body> </html> In this example: We have an HTML element with the ID myElement. The .highlight class in the CSS provides some styling (yellow background in this case). The JavaScript code uses addEventListener to attach a click event listener to the element. Inside the event listener, classList.toggle('highlight') is used to toggle the presence of the 'highlight' class on the element. So, when you click the element, it will add the 'highlight' class if it's not already present, and remove it if it is. This creates a toggle effect where the class changes on each click. read less
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