JSFiddle - React, Tailwind, and code Playground

HTML

test

JavaScript

var objectArray= {};    
objectArray[0] = {};
objectArray[1] = {};
objectArray[2] = {};
objectArray[0]['title']='name1';
objectArray[0]['start']=new Date();
objectArray[1]['title']='name2';
objectArray[2]['start']=new Date();
console.log(JSON.stringify(objectArray));
alert(JSON.stringify(objectArray));