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  1. Jun 13, 2024 · Some of the most-used operations on strings are to check their length, to build and concatenate them using the + and += string operators, checking for the existence or location of substrings with the indexOf() method, or extracting substrings with the substring() method.

  2. Jun 14, 2024 · Now that we've looked at the very basics of strings, let's move up a gear and start thinking about what useful operations we can do on strings with built-in methods, such as finding the length of a text string, joining and splitting strings, substituting one character in a string for another, and more.

  3. Basic String Methods. Javascript strings are primitive and immutable: All string methods produce a new string without altering the original string.

  4. Jun 4, 2024 · slice() extracts the text from one string and returns a new string. slice() extracts up to but not including indexEnd. For example, str.slice(4, 8) extracts the fifth character through the eighth character (characters indexed 4, 5, 6, and 7 ): indexStart indexEnd. ↓ ↓.

  5. Jan 17, 2024 · Learn how to work with strings in JavaScript, including quotes, special characters, length, accessing characters, methods and more. See examples, syntax and explanations of string operations and features.

  6. Jun 27, 2017 · String literals (denoted by double or single quotes) and strings returned from String calls in a non-constructor context (i.e., without using the new keyword) are primitive strings. JavaScript automatically converts primitives to String objects, so that it's possible to use String object methods for primitive strings. In contexts where a method ...

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  8. This can be done using the indexOf() method, which takes a single parameter — the substring you want to search for. Try this: browserType.indexOf('zilla');