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<!DOCTYPE html> <html> <head> <style> input:enabled { background:#ffff00; } input:disabled { background:#dddddd; } </style> </head> <body> <form action=""> First name: <input type="text" value="Mickey" /><br> Last name: <input type="text" value="Mouse" /><br> Country: <input type="text" disabled="disabled" value="Disneyland" /><br> Password: <input type="password" name="password" /><br> <input type="radio" value="male" name="gender" /> Male<br> <input type="radio" value="female" name="gender" /> Female<br> <input type="checkbox" value="Bike" /> I have a bike<br> <input type="checkbox" value="Car" /> I have a car </form> <p><b>注释：</b>本例只在 Opera 中正确地工作！</p> </body> </html>