Searching for Array Indexof Browser Support information? Find all needed info by using official links provided below.
https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/indexOf
The indexOf() method returns the first index at which a given element can be found in the array, or -1 if it is not present.4%
https://stackoverflow.com/questions/30461565/browser-support-for-array-includes-and-alternatives
The first result from Google covers the subject rather well: a polyfill is a piece of code that ensures a browser has certain functionality available (like Array.prototype.includes) regardless of whether it's supported natively. You'll want to include it somewhere on your page before you want to use the method, so most likely as early as possible.
https://learnwebcoding.com/javascript/javascript_reference/indexOf_method_array.php
The capability test determines if the web browser's implementation of the JavaScript indexOf() method on arrays includes support for at least one indexOf() method on arrays capability. The capability test is a more definitive, albeit not an all inclusive, test for the presence of web browser support.
https://www.w3schools.com/jsref/jsref_indexof_array.asp
The indexOf() method searches the array for the specified item, and returns its position. The search will start at the specified position, or at the beginning if no start position is specified, and end the search at the end of the array. Returns -1 if the item is not found.
Nov 04, 2019 · "Can I use" provides up-to-date browser support tables for support of front-end web technologies on desktop and mobile web browsers. The site was built and is maintained by Alexis Deveria, with occasional updates provided by the web development community. The design used as of 2014 was largely created by Lennart Schoors. FAQ
https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/unobserve
The Array.unobserve() method was used to remove observers set by Array.observe(), but has been deprecated and removed from Browsers.You can use the more general Proxy object instead.. Syntax Array.unobserve(arr, callback)Parameters arr The array to stop observing. callback The reference to the observer to stop calling each time changes are made on the array arr.
https://javascriptplayground.com/ecmascript-5-array-methods/
Something I’ve not covered much so far is some of the newer parts of JavaScript. That is, methods in ECMASscript 5 that are not so commonly used due to browser support, and of course the new features in ECMAScript 6. Today I want to take a look at the new Array methods in ES5, such as map and filter.
https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/filter
The filter() method creates a new array with all elements that pass the test implemented by the provided function. ... in ECMA-262 implementations which do not natively support it. This algorithm is exactly equivalent to the one specified in ECMA-262, ... Array.prototype.indexOf() Array.prototype.join() Array.prototype.keys() Array.prototype ...
https://dev.opera.com/articles/javascript-array-extras-in-detail/
Browser support. At the time of writing “Array extras” (which are actually standardized methods, rather than extras) are supported by the new versions of all major browsers. Unless stated otherwise, all the discussed methods can be safely used in: Opera 11+ Firefox 3.6+ Safari 5+ Chrome 8+ Internet Explorer 9+
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