4
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I want to create an extended disable/enable function in jQuery. This is working, but is this the best solution? Is each loop necessary?

 $.fn.ariaDisabled = function (isDisabled) {
        /// <summary>
        ///     Sets the disabled state.
        /// </summary>
        return this.each(function () {

            var $item = $(this);

            if (isDisabled === true) {
                $item
                    .attr('disabled', 'disabled')
                    .attr('aria-disabled', 'true')
                    .addClass('disabled');
            }
            else {
                $item
                    .removeAttr('disabled')
                    .removeAttr('aria-disabled')
                    .removeClass('disabled');
            }
        });
    };
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  • \$\begingroup\$ If the function is called ariaDisabled then it should only change the [aria-disabled] attribute. \$\endgroup\$ – zzzzBov Jan 12 '15 at 15:18
5
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Overall it looks quite nice. Just a few points:

  • The parameter name is asking a question about the element, not making a statement of what to do. I would rename it to disable which enables the caller to better signify their intent.
  • In the same vein, I would also rename the function to ariaDisable as it performs an action as opposed to asking a question

Edit

Per m90's comment the loop is per jQuery plugin conventions as noted here

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