|
https://www.w3schools.com/howto/tryit.asp?filename=tryhow_js_toggle_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 toggle between adding and removing the "mystyle" class name of the DIV element:</p> <button onclick="myFunction()">Try it</button> <div id="myDIV"> This is a DIV element. </div> <script> function myFunction() { var element = document.getElementById("myDIV"); element.classList.toggle("mystyle"); } </script> </body> </html> |