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https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/forEach
forEach() executes the callback function once for each array element; unlike map() or reduce() it always returns the value undefined and is not chainable. The typical use case is to execute side effects at the end of a chain. forEach() does not mutate the array on which it is called.4%
https://careerkarma.com/blog/javascript-foreach-loop/
The JavaScript forEach Loop. ... In addition, forEach calls are part of JavaScript 1.6, so it has browser support across most of the main browsers. And there you have it: JavaScriptforEach loops in a nutshell! Want to learn more about coding in JavaScript and start a …
http://kangax.github.io/compat-table/es5/
ECMAScript 5 6 2016+ next intl non-standard compatibility table. ... §Array.prototype.forEach ... ` both yield false - whereas in a compliant browser, the former would give `false`, the latter `true`. As such, ES5 array iteration methods can only be shimmed reliably when dealing with dense arrays.
https://stackoverflow.com/questions/6260756/how-to-stop-javascript-foreach
You can't break from a forEach.I can think of three ways to fake it, though. 1. The Ugly Way: pass a second argument to forEach to use as context, and store a boolean in there, then use an if.This looks awful. 2. The Controversial Way: surround the whole thing in a try-catch block and throw an exception when you want to break. This looks pretty bad and may affect performance, but can be ...
https://stackoverflow.com/questions/51824545/why-is-foreach-not-working-in-edge
While Array has supported forEach for some time, only more recently has the API been added to NodeList. If you want to use this and need to support older browser versions, you can create a trivial polyfill by copying the implementation from Array itself (works in IE9+):
https://developer.mozilla.org/en-US/docs/Web/API/NodeList/forEach
The forEach() method of the NodeList interface calls the callback given in parameter once for each value pair in the list, in insertion order.. Syntax NodeList.forEach(callback[, thisArg]); Parameters callback Function to execute for each element, eventually taking 3 arguments: currentValue The current element being processed in the NodeList.
https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Set/forEach
the Set object being traversed; There are no keys in Set objects, however, so the first two arguments are both values contained in the Set. This is to make it consistent with other forEach() methods for Map and Array. If a thisArg parameter is provided to forEach(), it will …25%
https://www.quora.com/Which-browsers-natively-support-Array-prototype-forEach
Mar 14, 2011 · forEach was added in Javascript 1.6 (ECMA-262 Edition 5). So, the question turns into which browsers are fully supporting Javascript 1.6 and it's extras? Combining info from a few sites (but haven't tested it myself), I find this list of browser...
https://developer.mozilla.org/en-US/docs/Web/API/DOMTokenList/forEach
The forEach() method of the DOMTokenList interface calls the callback given in parameter once for each value pair in the list, in insertion order.
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