jquery.findByAttr.js

/**
 * For slackers... Quick methos selectors pluggin dealing with attribute names and values.
 * @author David Marsalone
 * @example $(".myslector").findByAttr("my-attribute-name","my attribute value");
 * @example $(".myslector").filterByAttr("my-attribute-name","my attribute value");
 */
(function ( $ ) {
    /**
     * Quick method to get the descendants of each element in the current set of matched elements, filtered by an attribute name and its value
     * @param {string} attributeName The attribute name you are looking for.
     * @param {string} attributeValue The attribute value you are looking for.
     * @returns {jQuery}
     */
    $.fn.findByAttr = function(attributeName,attributeValue) {
        return this.find("["+attributeName+"='"+attributeValue+"']");
    };
    /**
     * Reduce the set of matched elements to those that match the given attribute name and its value
     * @param {string} attributeName The attribute name you are looking for.
     * @param {string} attributeValue The attribute value you are looking for.
     * @returns {jQuery}
     */
    $.fn.filterByAttr = function(attributeName,attributeValue) {
        return this.filter("["+attributeName+"='"+attributeValue+"']");
    };
}( jQuery ));