Two Reasons Functional Style Is Slow in JavaScript implentations

Programming JS in a functional style is often more elegant but comes at the
cost of performance. In the past, part of that performance problem has been
due to native, C++ implementations of the most-often used higher-order
operations like Array.prototype….

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JavaScript Visualized: The JavaScript Engine

JavaScript is cool (don't @ me), but how can a machine actually understand the code you've written? As JavaScript devs, we usually don't have to deal with compilers ourselves. However, it's definitely good to know the basics of the JavaScript engine and s... (more…)

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