Web Reference: Easy difficulty JavaScript challenge: Write a function that capitalizes the first letter of each word in a sentence. Jun 22, 2009 · How do I make the first character of a string uppercase if it's a letter, but not change the case of any of the other letters? For example: "this is a test" → "This is a test" ... Jul 11, 2025 · Here are the different approaches to make the first letter of a string uppercase in JavaScript. 1. Using charAt () with slice () Method (Most Common) The combination of charAt () and slice () is the simplest and widely used way to capitalize the first letter of a string.
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