<ul><li>JavaScript and Python differ in equality, type coercion, and truthy/falsy values.</li><li>Variable hoisting and scoping differ between JavaScript (var, let, const) and Python.</li><li>Functions in JavaScript have 'this' binding while Python uses explicit self parameter.</li><li>JavaScript's default parameters and function arguments differ slightly from Python.</li><li>Arrays and objects behave uniquely in JavaScript with methods like map, filter, and splice.</li><li>Object keys, asynchronous JavaScript concepts (callbacks, promises, async/await), and number oddities are key differences.</li><li>JavaScript has loop peculiarities with for...in, object iteration, date handling, and module systems.</li><li>Common gotchas like semicolons, multiline strings, global scope leakage, and prototype inheritance are highlighted.</li><li>Understanding the event loop, debugging tips, and utilizing tools like ESLint are crucial for JavaScript developers.</li></ul>

Why Is This Undefined? JavaScript Traps for Python Programmers

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