Exercise 6: Capitalize First Letter of Each Word
Problem Statement
Create a function `titleCase(str)` that capitalizes first letter of each word in string.
Example: titleCase("hello world") => "Hello World"
Sample Output:
titleCase("hello world") => "Hello World"
titleCase("JAVASCRIPT IS FUN") => "Javascript Is Fun"Solution
const titleCase = (str) => {
return String(str ?? "").toLowerCase().replace(/\b\w/g, c => c.toUpperCase());
};Explanation
Overall Goal:
- Har word ki pehli letter capitalize karna.
Real world:
- Titles: article titles format.
- Names: proper name formatting.