angularjs map code example

Example 1: angular map

let map = new Map();
map.set() – method to add entries in Map
map.get() – to retrieve an entry from Map
map.has() – to existence of an entry in the Map
map.delete() – deletes an entry from the Map
map.size – ‘size’ property will return size of Map
map.clear()-to clear the Map data

Example 2: map in javascript

let myMap = new Map()

let keyString = 'a string'
let keyObj    = {}
// setting the values
myMap.set(keyString, "value associated with 'a string'")
myMap.set(keyObj, 'value associated with keyObj')
myMap.set(keyFunc, 'value associated with keyFunc')
myMap.size              // 3
// getting the values
myMap.get(keyString)    // "value associated with 'a string'"
myMap.get(keyObj)       // "value associated with keyObj"
myMap.get(keyFunc)      // "value associated with keyFunc"

Example 3: map in javascript

['elem', 'another', 'name'].map((value, index, originalArray) => { 
  console.log(.....)
});