{"ScriptPreparationCode":null,"TestCases":[{"Name":"isFunction","Code":"function onClose () {\r\n console.log(\u0027hey\u0027)\r\n}\r\n\r\nvar isfunc = _.isFunction(onClose);","IsDeferred":false},{"Name":"typeof function","Code":"function onClose () {\r\n console.log(\u0027hey\u0027)\r\n}\r\n\r\nvar isfunc = typeof onClose === \u0027function\u0027;","IsDeferred":false},{"Name":"instanceof","Code":"function onClose () {\r\n console.log(\u0027hey\u0027)\r\n}\r\n\r\nvar isfunc = onClose instanceof Function;","IsDeferred":false}]}