JSFiddle - React, Tailwind, and code Playground

by Asifuzzaman

HTML

<body >
<form id="form1">
<input id="LastName" class="required" name="LastName" type="text"  placeholder="Last Name"
required/>
<input id="LastName"  class="required"name="LastName" type="text"  placeholder="first Name"
required/>
<input id="password"  class="required" name="password" type="password"  placeholder="password"
required/>
<input type="submit" id="sub" value="save">

</form>
</body>

JavaScript

$('#sub').click(function(e){
 e.preventDefault()
$('.required').each(function() {
if($(this).val() == '') {
$(this).css('background-color' , '#FF0000');
$(this).attr("placeholder", "Required");
 }
 });
 });