Description The toUpperCase() method converts a string to uppercase letters. The toUpperCase() method does not change the original string.

Jul 10, 2025 · The toUpperCase() method returns the value of the string converted to uppercase. This method does not affect the value of the string itself since JavaScript strings are immutable.

You'll learn how to use the JavaScript toUpperCase () method to return a string with all the characters converted to uppercase.

Jan 16, 2026 · The toUpperCase () method is used to convert all letters in a string to uppercase. It helps standardize text for comparison or display. Converts all lowercase letters to uppercase. Special …

In this tutorial, we will learn about the JavaScript String toUpper () method with the help of examples. In this article, you will learn about the toUpperCase () method of String with the help of examples.

The JavaScript String toUpperCase () method converts all the characters in a string to uppercase letters. It does not change the original string, but returns a new string. If the original string is already in …

Feb 6, 2025 · A comprehensive guide to the JavaScript String toUpperCase () method, covering its syntax, usage, and practical examples for converting strings to uppercase.

JavaScript toUpperCase method convert given string into Uppercase letters. This article shows how to write JavaScript ToUpperCase function.

Aug 30, 2024 · Capitalizing strings is a common task in JavaScript programming. Whether you need to format names, standardize inputs, match style guides, or output cleaned-up data, knowing how to …

Feb 28, 2022 · You can use the .toUpperCase() method, fully known as String.prototype.toUpperCase(), when you need to capitalize strings in your JavaScript projects. If you find this article helpful, please …