{"ScriptPreparationCode":"window.sample = function () {};\r\nwindow.$isFunction = function (v) { return typeof v === \u0027function\u0027; };","TestCases":[{"Name":"isFunction","Code":"var isfunc = _.isFunction(sample);","IsDeferred":false},{"Name":"typeof function","Code":"var isfunc = typeof sample === \u0027function\u0027;","IsDeferred":false},{"Name":"instanceof","Code":"var isfunc = sample instanceof Function;","IsDeferred":false},{"Name":"wrapped typeof function (like optimized _.isFunction)","Code":"var isfunc = $isFunction(sample);","IsDeferred":false}]}