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<!DOCTYPE html> <html> <head> <meta name="viewport" content="width=device-width, initial-scale=1"> <style> #myDIV { width: 100%; padding: 50px 0; text-align: center; background-color: lightblue; margin-top: 20px; } </style> </head> <body> <p>Click the "Try it" button to toggle between hiding and showing the DIV element:</p> <button onclick="myFunction()">Try it</button> <div id="myDIV"> This is my DIV element. </div> <p><b>Note:</b> The element will not take up any space when the display property is set to "none".</p> <script> function myFunction() { var x = document.getElementById("myDIV"); if (x.style.display === "none") { x.style.display = "block"; } else { x.style.display = "none"; } } </script> </body> </html>
