map on javascript object code example
Example 1: map object es6
var myObject = { 'a': 1, 'b': 2, 'c': 3 };
Object.keys(myObject).map(function(key, index) {
myObject[key] *= 2;
});
console.log(myObject);
Example 2: javascript map to object
Object.fromEntries(Map)
Example 3: 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)
Example 4: map in javascript
['elem', 'another', 'name'].map((value, index, originalArray) => {
console.log(.....)
});
Example 5: javascript map
array.map( item => item.id )
array2.map( item => item.toString() )
array2.map( item => item * 3 )