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DOM HTML trong javascript
<!DOCTYPE html> <html> <head> <meta charset="utf-8"> <meta http-equiv="X-UA-Compatible" content="IE=edge"> <title>Học Javascript - Toidicode.com</title> </head> <body> <p>click vao button để xem</p> <input type="text" name="demo" value="Toidicode.com" placeholder="Toidicode.com" disabled="true"> <input type="button" onclick="change()" value="enable"> <script type="text/javascript"> var change = function () { document.getElementsByTagName('input')[0].disabled = false; } </script> </body> </html>
