javascript sum array of objects
arr = [{x:1}, {x:3}]
arr.reduce((accumulator, current) => accumulator + current.x, 0);javascript sum array of objects
arr = [{x:1}, {x:3}]
arr.reduce((accumulator, current) => accumulator + current.x, 0);javascript sort array with objects
var array = [
{name: "John", age: 34},
{name: "Peter", age: 54},
{name: "Jake", age: 25}
];
array.sort(function(a, b) {
return a.age - b.age;
}); // Sort youngest firstjavascript create array of objects with map
var arr = [{
id: 1,
name: 'bill'
}, {
id: 2,
name: 'ted'
}]
var result = arr.map(person => ({ value: person.id, text: person.name }));
console.log(result)typescript map list to new list of objects
var result = arr.map(person => ({ value: person.id, text: person.name }));
console.log(result)javascript map
function listFruits() {
let fruits = ["apple", "cherry", "pear"]
fruits.map((fruit, index) => {
console.log(index, fruit)
})
}
listFruits()
// https://jsfiddle.net/tmoreland/16qfpkgb/3/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]Copyright © 2021 Codeinu
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