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HTML DOM Input Button value Property
The HTML DOM value property returns and modify the content of the value attribute of input button.
Syntax
Following is the syntax −
1. Returning value
object.value
2. Modifying value
object.value=”text”
Example
Let us see an example of value property
<!DOCTYPE html>
<html>
<head>
<title>HTML DOM value Property</title>
<style>
body{
text-align:center
}
.btn{
display:block;
margin:1rem auto;
background-color:#db133a;
color:#fff;
border:1px solid #db133a;
padding:0.5rem;
border-radius:50px;
width:80%;
}
.show-value{
font-weight:bold;
font-size:1.4rem;
color:#ffc107;
</style>
</head>
<body>
<h1>value Property Example</h1>
<input type="submit" onclick="setValue()" class="btn" value="Click me to change my
text">
<div class="show-value"></div>
<script>
function setValue() {
var btn= document.querySelector(".btn");
document.querySelector(".show-value").innerHTML ="Previous Value = " + btn.value;
document.querySelector(".btn").value = "Congrats! you have successfully changed my value";
}
</script>
</body>
</html>Output
This will produce the following output −
Click on “Click me to change my text” button to change red button value.
Updated on: 30-Jul-2019
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