JSFiddle - React, Tailwind, and code Playground

by John Passmore

JavaScript

let items = [
{ "p1": "p10", "p2": 12},
{ "p1": "p20", "p2": 22},
{ "p1": "p30", "p2": 32}
];
// let itemProp = 1;
/*
items.forEach(function(id) {
	itm.id = itemProp++
  itemProp = itm.id
}
);
*/
for(var i=0,len=items.length;i<len;i++){
  items[i].id = i+1;
}
console.log("items: " + JSON.stringify(items, null, 4));