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<!DOCTYPE html> <html> <body> Homepage: <input type="url" id="myURL"><br><br> <button onclick="disableBtn()">Disable URL Field</button> <button onclick="undisableBtn()">Undisable URL Field</button> <p><strong>Note:</strong> elements with type="url" are not supported in IE 9 (and earlier), or Safari.</p> <script> function disableBtn() { document.getElementById("myURL").disabled = true; } function undisableBtn() { document.getElementById("myURL").disabled = false; } </script> </body> </html>