Find all needed information about Array Indexof Javascript Support. Below you can see links where you can find everything you want to know about Array Indexof Javascript Support.
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://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://stackoverflow.com/questions/7792195/ie9-array-does-not-support-indexof
Older IEs do not support indexOf for Array, so you should have a shim for them anyways. That includes not only older IEs, but also older versions of other browsers - …
https://www.geeksforgeeks.org/javascript-array-indexof/
JavaScript Array indexOf() arr.indexOf() function is used to find the index of the first occurrence of the search element provided as the argument to the function. The syntax of the function is as follows:
https://learnwebcoding.com/javascript/javascript_reference/indexOf_method_array.php
If the web browser recognizes the JavaScript indexOf() method on arrays, the capability test is run. 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://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() .
https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/lastIndexOf
The lastIndexOf() method returns the last index at which a given element can be found in the array, or -1 if it is not present. The array is searched backwards, starting at fromIndex.
https://www.w3schools.com/jsref/jsref_lastindexof_array.asp
JavaScript Array lastIndexOf() Method JavaScript Array Reference. Example. ... Tip: If you want to search from start to end, use the indexOf() method. Browser Support. The numbers in the table specify the first browser version that fully supports the method. Method;
https://www.w3schools.com/jsref/jsref_findindex.asp
Definition and Usage. The findIndex() method returns the index of the first element in an array that pass a test (provided as a function).. The findIndex() method executes the function once for each element present in the array: If it finds an array element where the function returns a true value, findIndex() returns the index of that array element (and does not check the remaining values)
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