Imagine you have a bag where you store your marbles, say const marbles =. So without further ado, let’s walk through this one together with examples that make little to no sense but actually help you learn stuff. Moving on through the doc you are dumped into terms like accumulator without any explanation-no no. ![]() The reduce() method executes a reducer function (that you provide) on each element of the array, resulting in a single output value. Hitting up MDN, you are slapped by this description. Map was a little more confusing, but after following through some example code it clicked. I remember when I first started learning the array manipulator functions. Have you yet mastered some like Array.map or Array.filter? What about the elusive Array.reduce?Īrray reduce in particular can be a bit convoluted for new developers. JavaScript is filled with amazing pre-built functions for manipulating objects and arrays. Array reduce is a pre-built function in JavaScript notorious for confusing new developers.
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