Editing isType Functions This edit will create a new revision. Your details (optional) Name Email (won’t be displayed; might be used for Gravatar) URL Test case details Title * Published (uncheck if you want to fiddle around before making the page public) Description (in case you feel further explanation is needed)(Markdown syntax is allowed) Are you a spammer? (just answer the question) Preparation code Preparation code HTML (this will be inserted in the <body> of a valid HTML5 document in standards mode) (useful when testing DOM operations or including libraries) Include JavaScript libraries as follows: <script src="//cdn.ext/library.js"></script> Define setup for all tests (variables, functions, arrays or other objects that will be used in the tests) (runs before each clocked test loop, outside of the timed code region) (e.g. define local test variables, reset global variables, clear canvas, etc.) (see FAQ) var toString = Object.prototype.toString; Define teardown for all tests (runs after each clocked test loop, outside of the timed code region) (see FAQ) Code snippets to compare Test 1 Title Async (check if this is an asynchronous test) Code (function (obj) { return toString.call(obj) === '[object Object]'; }({})) Test 2 Title Async (check if this is an asynchronous test) Code (function (obj) { return obj instanceof Object && obj.constructor === Object; }({})) Test 3 Title Async (check if this is an asynchronous test) Code (function (arr) { return toString.call(arr) === '[object Array]'; }([])) Test 4 Title Async (check if this is an asynchronous test) Code (function (arr) { return arr instanceof Array && arr.constructor === Array; }([])) Test 5 Title Async (check if this is an asynchronous test) Code (function (str) { return toString.call(str) === '[object String]'; }('')) Test 6 Title Async (check if this is an asynchronous test) Code (function (str) { return str instanceof String && str.constructor === String; }('')) Test 7 Title Async (check if this is an asynchronous test) Code (function (num) { return toString.call(num) === '[object Number]'; }(1)) Test 8 Title Async (check if this is an asynchronous test) Code (function (num) { return num instanceof String && num.constructor === Number; }(1)) Test 9 Title Async (check if this is an asynchronous test) Code (function (str) { return typeof str === 'string'; }('')) Test 10 Title Async (check if this is an asynchronous test) Code (function (num) { return typeof num === 'number'; }(1))