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One-Liners That Work: Mastering the Art of Compact JavaScript
Learn to craft clear, powerful JavaScript one-liners using map, filter, reduce, chaining and modern operators-plus when to avoid compactness for clarity.

Learn to craft clear, powerful JavaScript one-liners using map, filter, reduce, chaining and modern operators-plus when to avoid compactness for clarity.

Learn practical ES6-based techniques-arrow functions, destructuring, default params, optional chaining, and more-to drastically shorten functions without sacrificing clarity.

Learn to predict and manage the surprising values of JavaScript's 'this'. Practical examples show common pitfalls (detached methods, setTimeout, event handlers) and clear strategies (bind, arrow functions, closures) to make 'this' reliable.