Web Reference: I just discovered this feature: Map: Map objects are simple key/value maps. That confused me. Regular JavaScript objects are dictionaries, so how is a Map different from a dictionary? Conceptually, Feb 16, 2026 · 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. Jul 12, 2025 · Map vs Object Examples Example 1: In this example we demonstrates storing and accessing employee information using both a Map and an Object. It highlights the flexibility of Map with methods like set () and get () for retrieving data.
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