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Checkbox defaultChecked Property
Checkbox Object
Definition and Usage
The defaultChecked property returns the default value of the checked attribute.
This property returns true if the checkbox is checked by default, otherwise it returns false.
Syntax
checkboxObject.defaultChecked
Browser Support
The defaultChecked property is supported in all major browsers.
Example
Example
Check if the checkbox is checked by default:
<html>
<head>
<script type="text/javascript">
function displayResult()
{
var x=document.getElementById("myCheck").defaultChecked;
alert(x);
}
</script>
</head>
<body>
<form>
<input type="checkbox" id="myCheck" checked="checked" />Do you like summer?
</form>
<button type="button" onclick="displayResult()">Is the checkbox checked by default?</button>
</body>
</html>
<head>
<script type="text/javascript">
function displayResult()
{
var x=document.getElementById("myCheck").defaultChecked;
alert(x);
}
</script>
</head>
<body>
<form>
<input type="checkbox" id="myCheck" checked="checked" />Do you like summer?
</form>
<button type="button" onclick="displayResult()">Is the checkbox checked by default?</button>
</body>
</html>
Try it yourself »
Checkbox Object
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Copyright 1999-2012 by Refsnes Data. All Rights Reserved.
Tutorials, references, and examples are constantly reviewed to avoid errors, but we cannot warrant full correctness of all content.
While using this site, you agree to have read and accepted our terms of use and privacy policy.
Copyright 1999-2012 by Refsnes Data. All Rights Reserved.