The DOM Input Radio autofocus Property in HTML DOM is used for setting or returning Whether the radio Button should get automatically get focus or not when the page loads. This Property is used to reflect the HTML autofocus attribute.
Syntax:
- It return the autofocus property.
radioObject.autofocus
- It is used to set the autofocus property.
radioObject.autofocus = true|false
Property Values:
- true: It specifies that the radio button get focus.
- false: It has a Default Value. It specify that the radio button does not get focus.
Return value: It returns a Boolean value which represents that the radio button get focus or not.
Example-1: This Example illustrates how to return the Property.
HTML
<!DOCTYPE html><html>
<head>
<style>
body {
text-align: center;
}
h1 {
color: green;
}
</style>
</head>
<body>
<h1>
GeeksforGeeks
</h1>
<h2>
HTML DOM Input Radio autofocus Property
</h2>
<form id="myGeeks">
Radio Button:
<input type="radio"
id="radioID"
value="Geeks_radio"
name="Geek_radio"
autofocus>
<br>
<br>
</form>
<button onclick="GFG()">
click
</button>
<p id="GFG"
style="font-size:25px;
color:green;">
</p>
<script>
function GFG() {
var x =
// return Input Radio autofocus property
document.getElementById(
"radioID").autofocus;
document.getElementById(
"GFG").innerHTML = x;
}
</script>
</body>
</html>
|
Output:
Before Clicking On Button:
After Clicking On Button:
Example-2: This Example that illustrates how to set the Property.
HTML
<!DOCTYPE html><html>
<head>
<style>
body {
text-align: center;
}
h1 {
color: green;
}
</style>
</head>
<body>
<h1>
GeeksforGeeks
</h1>
<h2>
HTML DOM Input Radio autofocus Property
</h2>
<form id="myGeeks">
Radio Button:
<input type="radio"
id="radioID"
value="Geeks_radio"
name="Geek_radio"
autofocus>
<br>
<br>
</form>
<button onclick="GFG()">
click
</button>
<p id="GFG"
style="font-size:25px;
color:green;">
</p>
<script>
function GFG() {
var x =
// setting Input radio autofocus property
document.getElementById(
"radioID").autofocus = false;
document.getElementById(
"GFG").innerHTML = x;
}
</script>
</body>
</html>
|
Output:
Before Clicking On Button:
After Clicking On Button:
Supported Browsers: The browser supported by DOM input Radio autofocus property listed below:
- Google Chrome
- Edge 12+
- Firefox
- Opera
- Safari