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checkboxes set to true using JavaScript
3 Answer(s)      3 years and 9 months ago
Posted in : JavaScript Questions


To set all checkboxes to true using JavaScript?


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November 10, 2010 at 12:36 PM


We can use following code to set all the checkboxes to true using javaScript.

Gyan
Singh
Ankit
Kumar
Kaushal



November 10, 2010 at 12:36 PM


We can use following code to set all the checkboxes to true using javaScript.

Gyan
Singh
Ankit
Kumar
Kaushal



November 10, 2010 at 12:37 PM


<head>
<script type="text/javascript">
function SelectAll() {
var checkboxes = document.getElementsByTagName("input");
for(i=0;i<checkboxes.length;i++) {
if(checkboxes.item(i).attributes["type"].value == "checkbox") {
checkboxes.item(i).checked = true;
}
}
}
function deSelectAll() {
var checkboxes = document.getElementsByTagName("input");
for(i=0;i<checkboxes.length;i++) {
if(checkboxes.item(i).attributes["type"].value == "checkbox") {
checkboxes.item(i).checked = false;
}
}
}
</script>
</head>
<body>
<input type="checkbox" name="list" value="1">Gyan<br>
<input type="checkbox" name="list" value="2">Singh<br>
<input type="checkbox" name="list" value="3">Ankit<br>
<input type="checkbox" name="list" value="4">Kumar<br>
<input type="checkbox" name="list" value="5">Kaushal<br>
<input type="submit" value="checkAll" onclick="SelectAll()" />
<input type="submit" value="uncheckAll" onclick="deSelectAll()" />

</body>


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