Web Reference: A JavaScript Map is an object that can store collections of key-value pairs, similar to a dictionary in other programming languages. Maps differ from standard objects in that keys can be of any data type. The Map object holds key-value pairs and remembers the original insertion order of the keys. Any value (both objects and primitive values) may be used as either a key or a value. Learn JavaScript Map from scratch. Covers creating maps, set (), get (), has (), size, clear (), delete (), iterating maps, converting object to map, map to array, forEach, and WeakMap with easy examples.
YouTube Excerpt: 00:00:00 introduciton 00:00:16 example 1 00:02:13 example 2 00:03:58 example 3 // .
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