javascript mappping objectgs code example
Example 1: javascript map
function listFruits() {
let fruits = ["apple", "cherry", "pear"]
fruits.map((fruit, index) => {
console.log(index, fruit)
})
}
listFruits()
Example 2: map in javascript
let myMap = new Map()
let keyString = 'a string'
let keyObj = {}
myMap.set(keyString, "value associated with 'a string'")
myMap.set(keyObj, 'value associated with keyObj')
myMap.set(keyFunc, 'value associated with keyFunc')
myMap.size
myMap.get(keyString)
myMap.get(keyObj)
myMap.get(keyFunc)