从两个数组创建对象

Question

How can I create an object from two arrays without using loops in javascript.

example:

array1 =  [1,2,3,4,5];
array2 = [A,B,C,D,E];

I want from below object

obj = {
'1': 'A',
'2': 'B',
'3': 'C',
'4': 'D',
'5': 'E',
}

Thanks in advance

Answer 1

 var obj = {} array1 = [1, 2, 3, 4, 5]; array2 = ['A', 'B', 'C', 'D', 'E']; array1.forEach(function(value, index) { obj[value] = array2[index]; }); console.log(obj); 

Answer 2

Try to use $.each() to iterate over one of that array and construct the object as per your requirement,

var array1 = [1,2,3,4,5],array2 = ['A','B','C','D','E'];
var obj = {};

$.each(array2,function(i,val){
  obj[array1[i]] = val;
});

DEMO

Answer 3

An ES6, array reduce solution.

 const array1 = [1, 2, 3, 4, 5]; const array2 = ['A', 'B', 'C', 'D', 'E']; const resultMap = array1.reduce( (accumulator, value, index) => Object.assign(accumulator, { [value]: array2[index], }), {} ); console.log(resultMap); 

Answer 4

just for fun created something like this without using any iteration methods.

const array1 =  [1,2,3,4,5];
const array2 = ['A','B','C','D','E'];
let combineKeyValueProxy = new Proxy({}, {
    set: function(target, prop, value, receiver) {
       target[array1[prop]] = value;
       return true
    }
});
const output = Object.assign(combineKeyValueProxy, array2);
console.log(output) // Proxy {1: "A", 2: "B", 3: "C", 4: "D", 5: "E"}