JSFiddle - React, Tailwind, and code Playground

JavaScript

var data = [{
    "optionValue": "Getting Research into Practice",
    "events": [
        {"date": "29 October"}
    ] 
},
{
    "optionValue": "Human Resources for Managers",
    "events": [
        {"date": "September 1"},
        {"date": "November 2"}
    ]
}];

var postedValue = 1;
alert(data[postedValue].optionValue);