function selectAll() { $("#DivContainingCheckboxesID :checkbox").attr('checked', true); } function selectNone() { $("#DivContainingCheckboxesID :checkbox").attr('checked', false); } //if you want to do something specific for each check box $("#DivContainingCheckboxesID :checkbox").each(function () { //do it here if (this.checked) this.click();}); ......