Find all needed information about String Indexof Browser Support. Below you can see links where you can find everything you want to know about String Indexof Browser Support.
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://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/String/indexOf
Syntax str.indexOf(searchValue) str.indexOf(searchValue, fromIndex) Parameters searchValue A string representing the value to search for. If no string is explicitly provided, searchValue will be coerced to "undefined" and this value will be searched for in the current string. So for example, 'undefined'.indexOf() will return 0, as undefined is found at position 0, but 'undefine'.indexOf() will ...4%
https://stackoverflow.com/questions/8848097/indexof-not-supported-in-ie8-browser
IndexOf not Supported in IE8 Browser. Ask Question ... The indexOf() method of Arrays is not implemented in IE < 9. ... The documentation for indexOf on MDN includes a pollyfill that will add support in browsers that don't support JavaScript 1.6.
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/String/lastIndexOf
Mar 19, 2019 · The lastIndexOf() method returns the index within the calling String object of the last occurrence of the specified value, searching backwards from fromIndex. Returns …4%
https://stackoverflow.com/questions/3629183/why-doesnt-indexof-work-on-an-array-ie8
@Pointy Yes! And since many searching for "Why doesn't indexOf work on an array IE8?" may be at a lower sophistication level WRT to js, it may be helpful to point this out as a corollary to the answer. If everyone already had a deep understanding of the spec and differences between implementations, threads such as these wouldn't exist.
https://learnwebcoding.com/javascript/javascript_reference/indexOf_method_string.php
First, the implementation test is run. The implementation test determines if the web browser recognizes the JavaScript indexOf() method on strings. The implementation test is a simple test for the presence of web browser support, and a definitive test for the absence of web browser support.
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