convert array to object javascript with keys code example
Example 1: js array to object with keys
const subLocationTypes = (location.subLocationTypes || []).reduce((add, cur) => {
add[cur.key] = cur.value;
return add;
}, {});
Example 2: javascript array to object with keys
let arr = [{a: 'a', b: 1, c: 'c'}, {a: 'a', b: 2, c: 'c'}, {a: 'a', b: 3, c: 'c'}]:
let mapped = arr.reduce (function (map, obj) {
map[obj.b] = obj;
return map;
},{});
console.log (mapped);
Example 3: convert array to object javascript
const convertArrayToObject = (array, key) =>
array.reduce(
(obj, item) => ({
...obj,
[item[key]]: item
}),
{}
);
Example 4: javascript convert array to object
function arrayToObject(arr) {
var obj = {};
for (var i = 0; i < arr.length; ++i){
obj[i] = arr[i];
}
return obj;
}
var colors=["red","blue","green"];
var colorsObj=arrayToObject(colors);
Example 5: js array to object with keys
const arr = ['a','b','c'];
const res = arr.reduce((a,b)=> (a[b]='',a),{});
console.log(res)