Name: How Maps Can Do What Objects Can't
Uploaded: 2019-12-04T21:32:20.260Z
Duration: 13 min 13 s
Description: Since ES6, we have a new object data type called a `map`. ```js const map1 = new Map([ [1, 1], [true, true] ]); ``` Maps allow us to: - use non-strings as objects' keys - use objects as keys - easily iterate over data - easily get the length of data