HTML | DOM Input Radio defaultChecked Property
Last Updated :
26 Aug, 2022
The DOM Input Radio defaultChecked Property in HTML DOM is used for returning the default value of the checked attribute. It returns a true if the radio button is checked by default otherwise it returns false.
Syntax:
radioObject.defaultChecked
Below Program illustrates how to return the Property.
Example:
HTML
<!DOCTYPE html>
< html >
< head >
< style >
body {
text-align: center;
}
h1 {
color: green;
}
</ style >
</ head >
< body >
< h1 >
GeeksforGeeks
</ h1 >
< h2 >
HTML DOM Input Radio default Checked Property
</ h2 >
< form id="myGeeks">
Radio Button:
< input type="radio"
checked = true
id="radioID"
value="Geeks_radio"
name="Geek_radio"
disabled>
< br >
< br >
</ form >
< button onclick="GFG()">
Click!
</ button >
< p id="GFG"
style="font-size:25px;
color:green;">
</ p >
< script >
function GFG() {
// Returning Input Radio defaultChecked Property
var x =
document.getElementById(
"radioID").defaultChecked;
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 defaultChecked property listed below:
- Google Chrome
- Edge 12+
- Firefox
- Opera
- Safari
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