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/*jshint esversion:6,browser:true,devel: true*/
document.addEventListener('DOMContentLoaded',function(){
let start = new Date();
const canvas = document.querySelector('canvas');
const ctx = canvas.getContext('2d');
for(let x = 0; x < canvas.width; x++){
for(let y = 0; y < canvas.height; y++){
let R = Math.floor(Math.random() * 255) + 1;
let G = Math.floor(Math.random() * 255) + 1;
let B = Math.floor(Math.random() * 255) + 1;
ctx.fillStyle = `rgb(${R}, ${G}, ${B})`;
ctx.fillRect(x,y,1,1);
}
}
let end = new Date() - start;
document.getElementById('ms').textContent = `${end}ms`;
document.getElementById('sec').textContent = `${end/1000}s`;
document.getElementById('width').textContent = canvas.width;
document.getElementById('height').textContent = canvas.height;
document.getElementById('elements').textContent = `${canvas.width*canvas.height} elements`;
});