Step 1:Create index.html file and implement below code.
<input class="form-control" type="text" name="first_name" value="John" id="first_name"><br><br> <input class="form-control" type="text" name="first_name" value="Deo" id="last_name"><br><br> <button class="btn btn-success" id="get">GET Value</button> <button class="btn btn-success" id="set">SET Value</button>
<script>
$(document).ready(function(){
$("#get").click(function(){
var first_name=$("#first_name").val();
var last_name=$("#last_name").val();
alert(first_name + " " +last_name);
});
$("#set").click(function(){
$("#first_name").val("Larry");
$("#last_name").val("Hen");
});
});
</script>
<!DOCTYPE html>
<html>
<head>
<title>What Is The Use Of Val Method In JQuery With Example</title>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.4.1/css/bootstrap.min.css">
<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.5.1/jquery.min.js"></script>
</head>
<style>
body {
background: black;
}
.error {
color: red;
}
</style>
<body>
<div class="container">
<br><br><br><br>
<div class="text-center">
<h1 id="color" style="color: White;">Val() Method In JQuery</h1>
</div>
<br>
<div class="well">
<input class="form-control" type="text" name="first_name" value="John" id="first_name"><br><br>
<input class="form-control" type="text" name="first_name" value="Deo" id="last_name"><br><br>
<button class="btn btn-success" id="get">GET Value</button>
<button class="btn btn-success" id="set">SET Value</button>
</div>
</div>
</body>
</html>
<script>
$(document).ready(function(){
$("#get").click(function(){
var first_name=$("#first_name").val();
var last_name=$("#last_name").val();
alert(first_name + " " +last_name);
});
$("#set").click(function(){
$("#first_name").val("Larry");
$("#last_name").val("Hen");
});
});
</script>