map object values javascript code example
Example 1: javascript iterate object key values
Object.entries(obj).forEach(([key, value]) => {
console.log(key, value);
});
Example 2: map through keys javascript
var myObject = { 'a': 1, 'b': 2, 'c': 3 };
Object.keys(myObject).map(function(key, index) {
myObject[key] *= 2;
});
console.log(myObject);
Example 3: javascript iterate over object keys and values
const object1 = {
a: 'somestring',
b: 42
};
for (let [key, value] of Object.entries(object1)) {
console.log(`${key}: ${value}`);
}
Example 4: js map on object
import { map } from "ramda"
const double = x => x * 2;
const mappedObject = map(double, {x: 1, y: 2, z: 3});
Example 5: object.keys
const object1 = {
a: 'somestring',
b: 42,
c: false
};
console.log(Object.keys(object1));
Example 6: key value in map JavaScript mapping object
const map = {"a": 1, "b": 2, "c": 3};
const mapped = Object.entries(map).map(([k,v]) => `${k}_${v}`);
console.log(mapped);