javascript add required attribute to input
element.setAttribute("required", ""); //turns required on element.required = true; //turns required on through reflected attribute jQuery(element).attr('required', ''); //turns required on $("#elementId").attr('required', ''); //turns required on element.removeAttribute("required"); //turns required off element.required = false; //turns required off through reflected attribute jQuery(element).removeAttr('required'); //turns required off $("#elementId").removeAttr('required'); //turns required off if (edName.hasAttribute("required")) { } //check if required if (edName.required) { } //check if required using reflected attribute