Jul 20, 2025 · The find() method of Array instances returns the first element in the provided array that satisfies the provided testing function. If no values satisfy the testing function, undefined is returned.

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Definition and Usage The find() method finds the first occurrence of the specified value. The find() method returns -1 if the value is not found. The find() method is almost the same as the index() …

Jul 26, 2025 · What’s the difference between .find() and .index() methods? Both methods locate substrings, but .find() returns -1 when the substring is not found, while .index() raises a ValueError …

In this tutorial, you will learn how to use the JavaScript find () method to search for the first element in an array, which satisfies a test.

In this tutorial, we will learn about the Python String find () method with the help of examples.

Discover the Python's find () in context of String Methods. Explore examples and learn how to call the find () in your code.

Browser Support find() is an ECMAScript6 (ES6 2015) feature. JavaScript 2015 is supported in all browsers since June 2017:

Jul 11, 2022 · The .find() method returns the first element in the array that satisfies the given function.

FIND locates one text string within a second text string, and return the number of the starting position of the first text string from the first character of the second text string.