Jan 21, 2022 · In javascript the includes() method can be used to determines whether a string contains particular word (or characters at specified position). Its case sensitive.

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

Nov 24, 2009 · In ECMAScript 5 or older environments, use String.prototype.indexOf, which returns -1 when a substring cannot be found: While this is a good answer, and the OP never …

Mar 14, 2019 · So, you can easily check if a string contains a particular substring using the .includes() method. I'm interested in finding if a string contains a word. For example, if I apply …

Jan 14, 2024 · Checking if a string contains a specific word is a common task in JavaScript programming. In this article, we explored three different methods to accomplish this task: using …

May 20, 2022 · The fastest way to check if a string contains a particular word or substring is with the help of String.indexOf () method. This method returns the index of the first occurrence of …

Dec 2, 2024 · Here are the different methods to check whether a string contains a substring in JavaScript. 1. Using includes() Method. The includes() method is the most simple and modern …

14 hours ago · Shows you where a certain piece of text shows up first. If it’s not there, you get a -1. Example: <script> let text = "Learn JavaScript programming"; let position = …

Oct 7, 2022 · When you're working with a JavaScript program, you might need to check whether a string contains a substring. A substring is a string inside another string. Specifically, you might …

Mar 3, 2025 · The includes() method is the most readable and modern approach for checking whether a string contains a specific substring. It returns a boolean (true or false) depending on …