JSFiddle - React, Tailwind, and code Playground

JavaScript

var keys = [7925181,"68113227"];
var vals = {"7925181":["68113227"],"68113227":["7925181"]};

var temp = [];
for (var i = 0; i < keys.length; i++) {
    temp[keys[i]] = vals[keys[i]];
}
//alert(JSON.stringify(vals).length);
alert(JSON.stringify(temp).length);