Javascript Array Indexof Browser Support

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Array.prototype.indexOf() - JavaScript MDN

    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%

JavaScript Array indexOf() Method

    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.

javascript - IE: indexOf results in "object doesn't ...

    https://stackoverflow.com/questions/10923434/ie-indexof-results-in-object-doesnt-support-this-property-or-method
    Which is breaking in ie (ie 8 on XP) with "object doesn't support this property or method". Anyone have a work around for this? javascript jquery internet-explorer indexof

javascript - No support for indexOf in IE 8? - Stack Overflow

    https://stackoverflow.com/questions/9768574/no-support-for-indexof-in-ie-8
    No support for indexOf in IE 8? [duplicate] Ask Question Asked 7 years, ... This question already has an answer here: How to fix Array indexOf() in JavaScript for Internet Explorer browsers 10 answers ... MS has said that it support indexof() to IE8 as well! share improve this answer. answered Jun 21 '13 at 7:47.

JavaScript Feature Reference: indexOf() Method On Arrays ...

    https://learnwebcoding.com/javascript/javascript_reference/indexOf_method_array.php
    The capability test is a more definitive, albeit not an all inclusive, test for the presence of web browser support. If the web browser's implementation of the JavaScript indexOf() method on arrays includes support for the tested capability, the capability test reports: Pass (at least partial/possibly full support): The web browser recognizes ...

JavaScript String indexOf() Method

    https://www.w3schools.com/jsref/jsref_indexof.asp
    The indexOf() method returns the position of the first occurrence of a specified value in a string. This method returns -1 if the value to search for never occurs. Note: The indexOf() method is case sensitive. Tip: Also look at the lastIndexOf() method.

Array.prototype.find() - JavaScript MDN

    https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/find
    If you need to find the index of a value, use Array.prototype.indexOf(). (It’s similar to findIndex() , but checks each element for equality with the value instead of using a testing function.) If you need to find if a value exists in an array, use Array.prototype.includes() .

Can I use... Support tables for HTML5, CSS3, etc

    https://caniuse.com/
    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



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