append to map javascript
var myMap = {};
myMap[newKey] = newValue;
// ...
// Another method
var myMap = new Map()
myMap.set("key0","value")
// ...
myMap.has("key1"); // evaluates to false, assuming key1 wasn't setappend to map javascript
var myMap = {};
myMap[newKey] = newValue;
// ...
// Another method
var myMap = new Map()
myMap.set("key0","value")
// ...
myMap.has("key1"); // evaluates to false, assuming key1 wasn't setmap and set in javascript
map.keys() // The keys() method returns the keysmap and set in javascript
map.values() // The values() method returns the values:map and set in javascript
const map = new Map([
[1970, 'bell bottoms'],
[1980, 'leg warmers'],
[1990, 'flannel'],
])map and set in javascript
// Map
Map.prototype.forEach((value, key, map) = () => {}
// Array
Array.prototype.forEach((item, index, array) = () => {}Copyright © 2021 Codeinu
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