Check and Uncheck a checkbox with jQuery

[MarPlo]

I want to do something like this:

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$(".chkox").checked(true);

Or:

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$(".chkox").selected(false);

I wish to set the "checked" value to check or uncheck the checkboxes with class="chkbox".
How can I do it with jQuery?

Use the prop() method.

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$('.chkbox').prop('checked', true);  // checking
$('.chkox').prop('checked', false);  // unchecking

And if you want to check if a checkbox is checked or not, use this code:

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if($('#chk_id').is(':checked')) {
  // checkbox checked
}
else {
  // checkbox unchecked
}