String Manipulation Methods

const str = '  Hello  World  ';
const words = str.split(/\s+/).filter(Boolean);

Basic word splitting
Whitespace normalization
This shows advanced whitespace handling: 1) Splits on multiple whitespace characters, 2) Uses regex for flexible splitting, 3) Filters out empty strings, 4) Normalizes multiple spaces, 5) Common in text processing, 6) Handles various whitespace types, 7) Creates clean word array, 8) Essential for text analysis.
Array transformation
String cleaning