jquery checkbox all checked code example
Example 1: How to check whether a checkbox is checked in jQuery?
if(document.getElementById('on_or_off_checkbox').checked) {
}
if($('#on_or_off_checkbox').is(':checked')){
}
Example 2: jquery get all checkbox checked
$('.theClass:checkbox:checked')
Example 3: select all checkbox jquery
$('#select_all').change(function() {
var checkboxes = $(this).closest('form').find(':checkbox');
checkboxes.prop('checked', $(this).is(':checked'));
});
Example 4: select all checkbox jquery
<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script>
<form>
<table>
<tr>
<td><input type="checkbox" id="select_all" /></td>
</tr>
<tr>
<td><input type="checkbox" name="select[]" /></td>
</tr>
<tr>
<td><input type="checkbox" name="select[]" /></td>
</tr>
<tr>
<td><input type="checkbox" name="select[]" /></td>
</tr>
</table>
</form>