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Checkbox checked Property
Checkbox Object
Definition and Usage
The checked property sets or returns the checked state of a checkbox.
Syntax
Set the checked property:
checkboxObject.checked=true|false
Return the checked property:
checkboxObject.checked
Browser Support
The checked property is supported in all major browsers.
Example
Example
Set the checked state of a checkbox:
<html>
<head>
<script type="text/javascript">
function check()
{
document.getElementById("check1").checked=true
}
function uncheck()
{
document.getElementById("check1").checked=false
}
</script>
</head>
<body>
<form>
<input type="checkbox" id="check1" />Do you like summer?
</form>
<button onclick="check()">Check Checkbox</button>
<button onclick="uncheck()">Uncheck Checkbox</button>
</body>
</html>
<head>
<script type="text/javascript">
function check()
{
document.getElementById("check1").checked=true
}
function uncheck()
{
document.getElementById("check1").checked=false
}
</script>
</head>
<body>
<form>
<input type="checkbox" id="check1" />Do you like summer?
</form>
<button onclick="check()">Check Checkbox</button>
<button onclick="uncheck()">Uncheck Checkbox</button>
</body>
</html>
Try it yourself »
More Examples
Checkbox - Convert text to uppercase
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.