The HTML DOM Input Checkbox autofocus property returns and modify the value of autofocus attribute of an input HTML element with type=”checkbox”.
Syntax
Following is the syntax −
1. Returning autofocus
object.autofocus
2. Modifying autofocus
object.autofocus = true|false
Example
Let us see an example of autofocus property −
<!DOCTYPE html>
<html>
<head>
<title<HTML DOM autofocus property</title<
<style>
body{
text-align:center;
}
p{
font-size:1.5rem;
color:#ff8741;
}
input{
width:30px;
height:30px;
outline:2px solid #db133a;
}
button{
background-color:#db133a;
color:#fff;
padding:8px;
border:none;
width:120px;
margin:0.5rem;
border-radius:50px;
outline:none;
}
</style>
</head>
<body>
<h1>autofocus Property Example</h1>
<p>Do you need help?</p>
<input type="checkbox" autofocus>
<br>
<button onclick="yes()">Yes</button>
<button onclick="no()">No</button>
<script>
function yes() {
document.querySelector("input").checked = true;
}
function no() {
document.querySelector("input").checked = false;
}
</script>
</body>
</html>Output
This will produce the following output −
Click on “Yes/No” button to check and uncheck the checkbox but as you can see the checkbox already gets autofocus when page load with red outline.
