JSFiddle - React, Tailwind, and code Playground

JavaScript

function celebrityIDCreator (theCelebrities) {
    var i;
    var uniqueID = 100;
    for (i = 0; i < theCelebrities.length; i++) {
        theCelebrities[i]["id"] = function (i)  { 
             return uniqueID + i; 
        } (i); 
    }
    return theCelebrities;
}

var actionCelebs = [{name:"Stallone", id:0}, {name:"Cruise", id:0}, {name:"Willis", id:0}];

var createIdForActionCelebs = celebrityIDCreator(actionCelebs);

var stalloneID = createIdForActionCelebs [0];
console.log( stalloneID.id ); // 100

var cruiseID = createIdForActionCelebs[1];
console.log( cruiseID.id ); // 101

var willisID = createIdForActionCelebs [2];
console.log( willisID.id ); // 102