React Spdzielnia Rzemielnicza Robt Budowlanych i Instalacyjnych Cechmistrz powstaa w 1953 roku. Read more: A well-known joke. Now, try do to the same with an arrow function: Arrow functions cannot be used as constructors and will throw an error when used with new. In the above case, copy constructor can be called in the following ways: Let's see a simple example of the copy constructor. Check out this example: While your first instinct may be that IE11 is correct and Firefox/Chrome are wrong, the reality is that Firefox/Chrome are more directly obeying standards for numbers (IEEE-754 Floating Point), while IE11 is minutely disobeying them in (what is probably) an effort to give clearer results. A package is a folder tree described by a package.json file. (Contributed by Andrew Clegg in bpo-31756.) The substrings are determined by searching from left to right for occurrences of separator; these occurrences are not part of any String in the returned array, but serve to divide up the String value. Just for Fun: The Story of an Accidental Revolutionary, Linus Torvalds. Despite the fact that document.all is an array-like object and it gives access to the DOM nodes in the page, it responds to the typeof function as undefined. // This is Error instead of ValidationError! The source is available here: https://github.com/denysdovhan/wtfjs. If it cannot parse a particular value, it will evaluate to NaN. If you inspect {foo: 'bar'}{}, you will find {foo: 'bar'} is 'bar'. A variation is needed when some of the data from the source table is being inserted into the new table, but not the whole record. However, the syntax of anonymous classes is bulky considering that the CheckPerson interface contains only one method. The way these three expressions are evaluated are all different and are responsible for producing this unexpected behavior. Despite all, you'll get an array with three elements, because of trailing commas: Trailing commas (sometimes called "final commas") can be useful when adding new elements, parameters, or properties to JavaScript code. Now the overall smallest value is Number.NEGATIVE_INFINITY although it's not really numeric in a strict sense. You will be impressed, but