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Editorial Team
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Asked: 2026-06-17T02:14:42+00:00

i am new to jquery and i start learning jquery fundamental. i make script

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i am new to jquery and i start learning jquery fundamental. i make script of jquery for registration form. it’s works fine while on submit a form with single or both field empty, query show error messages but if i again fill the empty field then also it show the same error message and on reload message stop showing.

<!DOCTYPE html>
<html>
<head>
<meta content="text/html;charset=utf-8" http-equiv="Content-Type">
<meta content="utf-8" http-equiv="encoding">
  <style>
  c { color:red; margin:4px; }
  b { color:blue; }
  </style>
  <script src="jquery-latest.js"></script>
  <script src="jquery.js"></script>
</head>
<body>

<h1>Registration Form:</h1>

<form id="form1">

<div>First Name<input type="text" name="fname" id="fname"><span></span></div>
<div>Last Name<input type="text" name="lname" id="lname"><span></span></div>
<div><input type="submit" value="submit" ></div>

</form> 

<script>

$(document).ready(function(){

    $("#form1").submit(function(){
        var $spans = $("span");

        if ($('#fname').val()=="") {    
        $spans.eq(0).html("<c>Please enter your Firstname</c>");
        }       
        if ($('#lname').val()==""){
        $spans.eq(1).html("<c>Please enter your Lastname</c>");

        }return false;

    });
});
</script>
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1 Answer

  1. Editorial Team

    That’s because you do not remove the text content when input is no empty. Note that you should not laod jQuery twice and c is not a valid tag.

    var $spans = $("span"); 
$("#form1").submit(function(){ 
    $spans.eq(0).html( $('#fname').val() == "" ? "Please enter your Firstname" : "");
    $spans.eq(1).html( $('#lname').val() == "" ? "Please enter your Lastname" : "");
    return false;
});
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