JSFiddle - React, Tailwind, and code Playground

by Kushal Jayswal

HTML

<script>performance.mark("start");</script>

<img src="http://lorempixel.com/image_output/city-q-c-1920-1920-6.jpg">

<script>performance.mark("end");</script>

JavaScript

performance.measure("Difference", "start", "end");
var marks = performance.getEntriesByType("mark");
var measuringdifferences = performance.getEntriesByType("measure");

console.log(marks[0].name + ": " + marks[0].startTime);
console.log(marks[1].name + ": " + marks[1].startTime);
console.log(measuringdifferences[0].name + ": " + measuringdifferences[0].duration);