Check and uncheck a checkbox : CheckBox « Form Control « JavaScript DHTML

Check and uncheck a checkbox

 

<html>

<head>
<script type="text/javascript">
function check(){
    var x=document.forms.myForm
    x[0].checked=true
}

function uncheck(){
    var x=document.forms.myForm
    x[0].checked=false
}
</script>
</head>

<body>

<form name="myForm">
    <input type="checkbox" value="on">
    <input type="button" onclick="check()" value="Check Checkbox">
    <input type="button" onclick="uncheck()" value="Uncheck Checkbox">
</form>

</body>
</html>

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3.	Check status Example
4.	'indeterminate' Example
5.	CheckBox check action
6.	Using the HTML Form Elements Array
7.	Checkbox in a form
8.	Checkboxes in a form
9.	Checkbox Action
10.	Determining Whether a Checkbox Object Is Checked
11.	The Checkbox Object's checked Property
12.	The checked Property as a Conditional
13.	A Checkbox and an onClick event Handler
14.	Check a CheckBox
15.	Is checked
16.	Methods and Properties of the Checkbox Object
17.	A Checkbox and an onclick Event Handler
18.	A Checkbox, an onclick Event Handler and show/hide form controls
19.	Get value from check box