It has application programming interfaces (APIs) for working with text, dates, regular expressions, standard data structures, and the Document Object Model (DOM). It is multi-paradigm, supporting event-driven, functional, and imperative programming styles. It has dynamic typing, prototype-based object-orientation, and first-class functions. JavaScript is a high-level, often just-in-time compiled language that conforms to the ECMAScript standard. All major web browsers have a dedicated JavaScript engine to execute the code on users' devices. As of 2022, 98% of websites use JavaScript on the client side for webpage behavior, often incorporating third-party libraries. JavaScript ( / ˈ dʒ ɑː v ə s k r ɪ p t/), often abbreviated as JS, is a programming language that is one of the core technologies of the World Wide Web, alongside HTML and CSS. Java, Scheme, Self, AWK, HyperTalk ĪctionScript, AssemblyScript, CoffeeScript, Dart, Haxe, JS++, Opa, TypeScript You need a polyfill to continue using it in IE./publications-and-standards /standards /ecma-262 / The NodeList.forEach() method is also supported by all the latest browsers except Internet Explorer. However, you can use a polyfill to make it compatible all the way back to IE6. The Array.forEach() function works well in all modern browsers, including Internet Explorer 9 and higher.

The following example demonstrates how you can use the forEach() loop to iterate through an array in JavaScript: const birds = Ĭonsole. If the thisVal argument is provided, it will be used as a callback's this value. You can name these variables anything you want. array - The array object the forEach() loop was called upon.index - The array index of the current element.

currentVal - The value of the current element in the loop.

The callback function accepts between one and three arguments: Here is the syntax of Array.forEach() method: array. Javascript ForEach Loop Explained in 60 seconds #shorts Looping through arrays using forEach()

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