Modern JavaScript function features — destructured parameters with defaults, async / await, generators, iterators, tagged template literals, and the patterns that make production code readable.
A deep dive into the parts of JavaScript functions that everyone has to learn the hard way — closures, the `this` binding, `call` / `apply` / `bind`, higher-order functions, and the patterns built on top of them.
Introduction to JavaScript functions — function declarations, function expressions, arrow functions, parameters, default values, rest/spread, return values, and the difference between calling and referencing.
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