var talks = document.getElementsByClassName('cilabs-schedule-wrap');
var results = []

Array.prototype.forEach.call(talks, function(talk) {
	results.push({
    	date: talk.getElementsByClassName('cilabs-schedule-day')[0].innerText,
    	hour: talk.getElementsByClassName('cilabs-schedule-time')[0].innerText,
    	stage: talk.getElementsByClassName('cilabs-schedule-location')[0].innerText,
    	title: talk.getElementsByClassName('cilabs-schedule-title')[0].innerText,
    })
});

var resultsAsString = JSON.stringify(results);

console.log(resultsAsString)