Function bindJQuery

OpenReservation/wwwroot/Scripts/angular.js:1746–1800

()

    var bindJQueryFired = false;

    function bindJQuery() {
        var originalCleanData;

        if (bindJQueryFired) {
            return;
        }

        // bind to jQuery if present;
        var jqName = jq();
        jQuery = isUndefined(jqName)
            ? window.jQuery
            : // use jQuery (if present)
            !jqName
                ? undefined
                : // use jqLite
                window[jqName]; // use jQuery specified by `ngJq`

        // Use jQuery if it exists with proper functionality, otherwise default to us.
        // Angular 1.2+ requires jQuery 1.7+ for on()/off() support.
        // Angular 1.3+ technically requires at least jQuery 2.1+ but it may work with older
        // versions. It will not work for sure with jQuery <1.7, though.
        if (jQuery && jQuery.fn.on) {
            jqLite = jQuery;
            extend(jQuery.fn,
                {
                    scope: JQLitePrototype.scope,
                    isolateScope: JQLitePrototype.isolateScope,
                    controller: JQLitePrototype.controller,
                    injector: JQLitePrototype.injector,
                    inheritedData: JQLitePrototype.inheritedData
                });

            // All nodes removed from the DOM via various jQuery APIs like .remove()
            // are passed through jQuery.cleanData. Monkey-patch this method to fire
            // the $destroy event on all removed nodes.
            originalCleanData = jQuery.cleanData;
            jQuery.cleanData = function (elems) {
                var events;
                for (var i = 0, elem; (elem = elems[i]) != null; i++) {
                    events = jQuery._data(elem, "events");
                    if (events && events.$destroy) {
                        jQuery(elem).triggerHandler('$destroy');
                    }
                }
                originalCleanData(elems);
            };
        } else {
            jqLite = JQLite;
        }

        angular.element = jqLite;

        // Prevent double-proxying.
        bindJQueryFired = true;
    }

    /**
     * throw error if the argument is falsy.