JavaScript suggest change

Map

Syntax

Parameters

ParameterDetails
iterableAny iterable object (for example an array) containing [key, value] pairs.
keyThe key of an element.
valueThe value assigned to the key.
callbackCallback function called with three parameters: value, key, and the map.
thisArgValue which will be used as this when executing callback.

Remarks

In Maps NaN is considered to be the same as NaN, even though NaN !== NaN. For example:

const map = new Map([[NaN, true]]);
console.log(map.get(NaN)); // true

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Table Of Contents
17 Map
18 Set
28 Date
31 AJAX
42 JSON
104 Tilde
107 Events
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