Searching for Js Indexof 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
indexOf() was added to the ECMA-262 standard in the 5th edition; as such it may not be present in all browsers. You can work around this by utilizing the following code at the beginning of your scripts. This will allow you to use indexOf() when there is still no native support.4%
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.
https://stackoverflow.com/questions/1744310/how-to-fix-array-indexof-in-javascript-for-internet-explorer-browsers
How to fix Array indexOf() in JavaScript for Internet Explorer browsers. Ask Question ... The underscore.js library has an indexOf function you can use instead: _.indexOf([1, 2, 3], 2) share improve this answer. ... No support for indexOf in IE 8? 0.
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, 8 months ago. Active 6 years, 1 month ago. ... MS has said that it support indexof() to IE8 as well! share improve this answer. answered Jun 21 '13 at 7:47. Vanji Vanji. 1,636 12 12 silver badges 22 22 bronze badges.
https://www.w3schools.com/jsref/jsref_lastindexof.asp
Definition and Usage. The lastIndexOf() method returns the position of the last occurrence of a specified value in a string. Note: The string is searched from the end to the beginning, but returns the index starting at the beginning, at position 0. This method returns -1 if the value to search for never occurs.
https://stackoverflow.com/questions/5937609/is-it-true-that-ie7-doesnt-support-indexof-javascript
.indexOf function on an array not working in IE7/8 using JavaScript. Im developing for IE7 and have some troubles with the javascript function indexOf. After browsing some sites I read that IE7 doesnt support indexOf. Is this correct, and if so, whats the easiest way to check if a string contains a given string?
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.
https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String/includes
String.prototype.contains. In Firefox 18–39, the name of this method was contains().It was renamed to includes() in bug 1102219 due to the following reason:. It's been reported that some websites using MooTools 1.2 broke on Firefox 17. This version of MooTools checks whether String.prototype.contains() exists and, if it doesn't, MooTools adds its own function.
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