JSFiddle - React, Tailwind, and code Playground
JavaScript
var data=[{"itemID":1,"itemVal":"China"},{"itemID":2,"itemVal":"France"},{"itemID":3,"itemVal":"Germany"},{"itemID":4,"itemVal":"Italy"},{"itemID":5,"itemVal":"Poland"},{"itemID":6,"itemVal":"Russia"},{"itemID":7,"itemVal":"USA"}];
$.each($(data),function(key,value){
console.log(value.itemVal);
});