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Map In Es6 Example
With code examples, and how to create a map, functions supported by map and loop over the map, adding element to map object and access element. 'objectvalue' }) map.set (symbol ('symbol'), [6, 21]) console.log (map) output is I'm using destructuring of the array in the argument position of the lambda, to assign those array spots to values, before returning an object for each el.
A Simple Introduction To The Es6 Map Data Structure In Javascript | By Javascript Jeep🚙💨 | Level Up Coding from levelup.gitconnected.com
(basically, in the same format that i prefilled my example map with, above). In this article, we would be discussing map object provided by es6. The value and keys in the map can be treated as an object or primitive.
// return a total as 15.
In es 6, it is an additional feature to work with a new set of types known as a map. New weakmap () can also create using iterable objects, these objects contain key and values pairs new weakmap (iterable : Const foo = new map() Object) for example, we will create a map using an array of keys and values.
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