JSFiddle - React, Tailwind, and code Playground

by anil001ry

JavaScript

var imageAddr = "http://www.tranquilmusic.ca/images/cats/Cat2.JPG" + "?n=" + Math.random();
var startTime, endTime;
var downloadSize = 5616998;
var download = new Image();
download.onload = function () {
    endTime = (new Date()).getTime();
    showResults();
}
startTime = (new Date()).getTime();
download.src = imageAddr;

function showResults() {
    var duration = (endTime - startTime) / 1000; //Math.round()
    var bitsLoaded = downloadSize * 8;
    var speedBps = (bitsLoaded / duration).toFixed(2);
    var speedKbps = (speedBps / 1024).toFixed(2);
    var speedMbps = (speedKbps / 1024).toFixed(2);
    /* alert("Your connection speed is: \n" + 
           speedBps + " bps\n"   + 
           speedKbps + " kbps\n" + 
           speedMbps + " Mbps\n" ); */
 if(speedKbps <= "100"){
alert("Super Slow Speed");
}
else if(speedKbps >= "1000"){
alert("Slow Speed");
}
else if(speedKbps >= "10000"){
alert("Medium Speed");
}
else if(speedKbps >= "50000"){
alert("High Speed");
}
else if(speedKbps >= "100000"){
alert("Super Speed");
} 

}