點擊忘記的密碼鏈接它會顯示如錯誤消息電子郵件字段

Question

我想要顯示錯誤消息，如果我點擊忘記密碼鏈接，它會顯示如錯誤消息電子郵件字段所需。 this is the forgot password page images

<form action="<?php echo base_url(); ?>Index.php/Login_cntrl/login" method="POST" > 

         <div class="field-wrap"> 
          <label class="view-label">Email Address</label> 
          <input type="email" placeholder="Email Address" name="email" id="email" class="input-control" value="<?php echo set_value('email'); ?>"/> 
          <span class="text-danger"><?php echo form_error('email'); ?></span> 
         </div> 

         <div class="field-wrap"> 
          <input type="password" placeholder="Password" name="password" id="password" value="<?php echo set_value('password'); ?>" /> 
          <span class="text-danger"><?php echo form_error('password'); ?></span> 

          <a href="javascript:void(0)" class="btn btn-link btn-nobg" id="btn-show-forgot" >Forgot ?</a> 

         </div> 


         <div class="field-wrap"> 
          <button type="submit" class="btn btn-submit" name="ulogin" id="ulogin" >Login</button> 
         </div> 
         <div class="field-wrap"> 
          <a href="javascript:void(0)" class="btn btn-link btn-nobg" id="btn-show-signup">NEW User? Sign up</a> 
         </div> 
        </form> 

Answer 1

，如果你使用jQuery就這樣

$('#btn-show-forgot').click(function(event) { 
/* Check Email Value */ 
var email = $('#email').val(); 
if (email == ''){ 
alert('email must not empty')} 
}); 

或嘗試這樣

$(document).on('click','#btn-show-forgot',function(event){ 
var email = $('#email').val(); 
if (email == ''){ 
alert('email must not empty')} 
}); 

Answer 2

試試這個，並根據你需要

$('#btn-show-forgot').click(function(event) { 
var email = $('#email').val(); 
if (email == ''){ 
var r = confirm("Press a button!"); 
if (r == true) { 
window.location = //your landing page 
} else { 
txt = "You pressed Cancel!"; 
} 
} 
});`