array map javascript
const array1 = [1, 4, 9, 16];
// pass a function to map
const map1 = array1.map(x => x * 2);
console.log(map1);
// expected output: Array [2, 8, 18, 32]
array map javascript
const array1 = [1, 4, 9, 16];
// pass a function to map
const map1 = array1.map(x => x * 2);
console.log(map1);
// expected output: Array [2, 8, 18, 32]
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
javascript map array
const sweetArray = [2, 3, 4, 5, 35]
const sweeterArray = sweetArray.map(sweetItem => {
return sweetItem * 2
})
console.log(sweeterArray)
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