Exercise 7: Remove All Whitespace
Problem Statement
Function `removeWhitespace(str)` banao jo string se sabhi whitespace characters remove kare.
Example: removeWhitespace("hello world") => "helloworld"
Sample Output:
removeWhitespace("hello world") => "helloworld"
removeWhitespace(" a b c ") => "abc"Solution
const removeWhitespace = (str) => String(str ?? "").replace(/\s+/g, "");Explanation
Overall Goal:
- String se sabhi spaces remove karna.
Real world:
- Data cleaning: remove spaces.
- Formatting: compact strings.