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https://www.w3schools.com/howto/tryit.asp?filename=tryhow_js_remove_class <!DOCTYPE html> <html> <head> <meta name="viewport" content="width=device-width, initial-scale=1"> <style> .mystyle { width: 100%; padding: 25px; background-color: coral; color: white; font-size: 25px; box-sizing: border-box; } </style> </head> <body> <p>Click the "Try it" button to remove the "mystyle" class from the DIV element:</p> <button onclick="myFunction()">Try it</button> <div id="myDIV" class="mystyle"> This is a DIV element. </div> <script> function myFunction() { var element = document.getElementById("myDIV"); element.classList.remove("mystyle"); } </script> </body> </html> |