Answers for "map in array of objects"

2

javascript 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)
Posted by: Guest on December-31-2020
24

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]
Posted by: Guest on November-25-2019
0

map a property from array of objects javascript

var result = objArray.map(function(a) {return a.foo;});
Posted by: Guest on July-29-2020
3

functions in map javascript

const map = new Map();

function foo() {
 return "Hello World!"; 
}

map.set("foo", foo);

console.log(map.get("foo")()); // Output: "Hello World!
Posted by: Guest on May-13-2020

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