js how to switch key and value of object code example
Example 1: swap key value object javascript
function swap(json){
var ret = {};
for(var key in json){
ret[json[key]] = key;
}
return ret;
}
Example 2: js select keys from object
const object = { a: 5, b: 6, c: 7 };
const picked = (({ a, c }) => ({ a, c }))(object);
console.log(picked); // { a: 5, c: 7 }