<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>enter_to_next</title>
</head>
<body>
<form action="" name="form1">
username: <input type="text" name="username" id="" onkeypress="myEnter(form1.password)"><br>
password: <input type="password" name="password" id="" onkeypress="myEnter(form1.tel)"><br>
tel: <input type="text" name="tel" id="" onkeypress="myEnter(form1.submit)"><br>
<input type="reset"><br>
<input type="submit" name="submit"><br>
</form>
<script>
/* 按回车键，焦点切换到下一个文本框。 */
function myEnter(str){
if(event.keyCode==13)
str.focus();
}
</script>
</body>
</html>
