安科网
源代码：
点击运行
<!DOCTYPE html> <html> <head> <meta charset="utf-8"> <title>安科教程(www.ancii.com)</title> </head> <body> <form action="/statics/demosource/demo-form.php"> First name: <input type="text" name="fname" autofocus><br> Last name: <input type="text" name="lname"><br> <input type="submit"> </form> <p><strong>注意：</strong> Internet Explorer 9及更早IE版本不支持input标签的 autofocus 属性。</p> </body> </html>
运行结果
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