Description The includes() method returns true if a string contains a specified string. Otherwise it returns false. The includes() method is case sensitive.

Jul 10, 2025 · Thrown if searchString is a regex. This method lets you determine whether or not a string includes another string. The includes() method is case sensitive. For example, the …

Nov 24, 2009 · Usually I would expect a String.contains () method, but there doesn't seem to be one. What is a reasonable way to check for this?

Jul 11, 2025 · The includes () method returns true if a string contains a specified string. Otherwise, it returns false. Note: The includes () method is case sensitive i.e. it will treat the …

In this tutorial, you will learn how to use the JavaScript String includes () method to check if a string contains a substring.

Nov 5, 2021 · In JavaScript you can use the .includes() method to see if one string is found in another. But how does it work exactly? In this article, I will walk you through a few code …

Jul 23, 2025 · The code checks if any string in the array contains the substring 'eks'. It uses the some () method, which returns true if at least one string meets the condition (str.includes …

Read this tutorial and learn several methods used to check if a string contains another substring in JavaScript or not. Read information and see examples.

Feb 12, 2016 · Using the JS includes method would probably be your best bet. I get I'm a little late in answering this question, but I was just googling this myself and came up with this answer …

Jul 20, 2025 · The includes() method of Array instances determines whether an array includes a certain value among its entries, returning true or false as appropriate. The value to search for. …