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Arrow functions are compact JavaScript functions with a few deliberate differences from ordinary functions. They are excellent for small transformations and callbacks. They are not a universal replacement for function, …
JavaScript’s this is not difficult because it does many things. It is difficult because one small word changes value based on how a function is called. That makes this look unpredictable when the real problem is …
Closures show up any time a JavaScript function uses a variable defined from outside its own curly braces. That makes them common in callbacks, event handlers, timers, factory functions, and plenty of code that passes …
JavaScript Function Signatures Alright, you’ve probably seen functions before. Something like this maybe? function doSomething(name, desc, task) { // did something } This function, named doSomething, takes three …
