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This version introduces the toSorted, toReversed, with, findLast, and findLastIndex methods on Array.prototype and TypedArray.prototype, as well as the toSpliced method on Array.prototype; added support for #! shebang comments at the beginning of files to better facilitate executable ECMAScript files; and allowed the use of most Symbols as keys ...
Since ES 2015, transpiling JavaScript has become very common. Transpilation is a source-to-source compilation in which newer versions of JavaScript are used, and a transpiler rewrites the source code so that it is supported by older browsers. Usually, transpilers transpile down to ES3 to maintain compatibility with all versions of browsers.
This is an accepted version of this page This is the latest accepted revision, reviewed on 23 February 2025. High-level programming language Not to be confused with Java (programming language), Javanese script, or ECMAScript. JavaScript Screenshot of JavaScript source code Paradigm Multi-paradigm: event-driven, functional, imperative, procedural, object-oriented Designed by Brendan Eich of ...
In computer programming, foreach loop (or for-each loop) is a control flow statement for traversing items in a collection. foreach is usually used in place of a standard for loop statement.
Array a collection of multiple elements, each identified by an array index, also known as a key. Array constructor a programming constructor used to create array objects in JavaScript. Array literal an array with values fixed in the source code. Array objects created by array literals may also be modified later on. Multi-dimensional array
The ISO year (always equal to the gregorian year between January the 4th, in ISO week 1, and December the 28th) always includes an integer number, 52 or 53, of ISO weeks starting each on Monday and ending on Sunday; the ISO year may be smaller (by 1) on the first zero to three days of January, and may be larger (by 1) on the last zero to three ...
This template returns the number of the Gregorian calendar century for current year in the current Christian era (UTC time, as set on the Wikipedia server). This calendar century includes the final secular year.
This template returns the number of the astronomical century for the current year (UTC time, as set on the Wikipedia server). This astronomical century includes and starts on January the 1st, on a secular year at 00:00 UTC.