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註冊如果用戶的電子郵件ID已經註冊,我想禁用我的表單提交按鈕。這裏是我的代碼,其中檢查電子郵件已經註冊或不是。現在,我想禁用按鈕,如果郵件是已經registered.My按鈕的ID被註冊禁用提交按鈕,如果電子郵件已經在php中使用jquery
$("#email").focusout(function() {
var Email= $('#email').val();
var regex = /^([a-zA-Z0-9_.+-])+\@(([a-zA-Z0-9-])+\.)+([a-zA-Z0-9]{2,4})+$/;
var isEmail= regex.test(Email);
if(isEmail==true){
$.ajax({
url: '<?php echo MY_SITE_URL ;?>'+'webapi.php',
type: 'POST',
data: { Email : Email , task : 'Customer.checkEmail' },
error: function() { console.log('wrong'); },
success: function(res) {
if(res==0){
$('.EmailCheck').html('<font style="color:#3CB371;">Checked</font>');
$('#emailcheckflag').val('0');
document.getElementById("demo_ema").innerHTML="";
}
if(res>0){
$('.EmailCheck').html('<font style="color:#a94442;">Email Address Already Used</font>');
$('#emailcheckflag').val('1');
}
}
});
}else{
$('.EmailCheck').html('<font style="color:#a94442;">Please check your Email-Id.It is not a valid Email-id.</font>');
$('#emailcheckflag').val('1');
}
});
也DUP https://stackoverflow.com/questions/9445599/disable-submit-button-based-ajax-response – apokryfos