
How do I check a checkbox with jQuery or JavaScript?
jQuery 1.6+
: Solution :
Use the new .prop() function:
$(".myCheckbox").prop("checked", true);
$(".myCheckbox").prop("checked", false);
jQuery 1.5 and below
The .prop() function is not available, so you need to use .attr().
To check the checkbox (by setting the value of the checked attribute) do $('.myCheckbox').attr('checked','checked')
and for un-checking (by removing the attribute entirely) do $('.myCheckbox').removeAttr('checked')
Any version of jQuery :
If you're working with just one element, it will always be fastest to use DOMElement.checked = true. The benefit to using the .prop() and .attr() functions is that they will operate on all matched elements.
if (this.checked) // Assuming an event handler on a checkbox
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