What's new in ES2019?
Let's look at what new features will be coming to JavaScript
We’ll look at what’s included in the latest version of ECMAScript
: ES2019 in this lesson.
Array.prototype.flat()
/ Array.prototype.flatMap()
Array.prototype.flat()
will flatten the array recursively up to the depth that we specify. If no depth argument is specified, 1 is the default value. We can use Infinity
to flatten all nested arrays.
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