function I(i){return document.getElementById(i);} //INITIALIZE SPEEDTEST var s=new Speedtest(); //create speedtest object var meterBk=/Trident.*rv:(\d+\.\d+)/i.test(navigator.userAgent)?"#EAEAEA":"#80808040"; var dlColor="#6060AA", ulColor="#616161"; var progColor=meterBk; //CODE FOR GAUGES function drawMeter(c,amount,bk,fg,progress,prog){ var ctx=c.getContext("2d"); var dp=window.devicePixelRatio||1; var cw=c.clientWidth*dp, ch=c.clientHeight*dp; var sizScale=ch*0.0055; if(c.width==cw&&c.height==ch){ ctx.clearRect(0,0,cw,ch); }else{ c.width=cw; c.height=ch; } ctx.beginPath(); ctx.strokeStyle=bk; ctx.lineWidth=12*sizScale; ctx.arc(c.width/2,c.height-58*sizScale,c.height/1.8-ctx.lineWidth,-Math.PI*1.1,Math.PI*0.1); ctx.stroke(); ctx.beginPath(); ctx.strokeStyle=fg; ctx.lineWidth=12*sizScale; ctx.arc(c.width/2,c.height-58*sizScale,c.height/1.8-ctx.lineWidth,-Math.PI*1.1,amount*Math.PI*1.2-Math.PI*1.1); ctx.stroke(); if(typeof progress !== "undefined"){ ctx.fillStyle=prog; ctx.fillRect(c.width*0.3,c.height-16*sizScale,c.width*0.4*progress,4*sizScale); } } function mbpsToAmount(s){ return 1-(1/(Math.pow(1.3,Math.sqrt(s)))); } function format(d){ d=Number(d); if(d<10) return d.toFixed(2); if(d<100) return d.toFixed(1); return d.toFixed(0); } //UI CODE var uiData=null; function startStop(){ if(s.getState()==3){ //speedtest is running, abort s.abort(); data=null; I("startStopBtn").className=""; initUI(); }else{ //test is not running, begin I("startStopBtn").className="running"; s.onupdate=function(data){ uiData=data; }; s.onend=function(aborted){ I("startStopBtn").className=""; updateUI(true); }; s.start(); } } //this function reads the data sent back by the test and updates the UI function updateUI(forced){ if(!forced&&s.getState()!=3) return; if(uiData==null) return; var status=uiData.testState; I("ip").textContent=uiData.clientIp; I("dlText").textContent=(status==1&&uiData.dlStatus==0)?"...":format(uiData.dlStatus); drawMeter(I("dlMeter"),mbpsToAmount(Number(uiData.dlStatus*(status==1?oscillate():1))),meterBk,dlColor,Number(uiData.dlProgress),progColor); I("ulText").textContent=(status==3&&uiData.ulStatus==0)?"...":format(uiData.ulStatus); drawMeter(I("ulMeter"),mbpsToAmount(Number(uiData.ulStatus*(status==3?oscillate():1))),meterBk,ulColor,Number(uiData.ulProgress),progColor); I("pingText").textContent=format(uiData.pingStatus); I("jitText").textContent=format(uiData.jitterStatus); } function oscillate(){ return 1+0.02*Math.sin(Date.now()/100); } //update the UI every frame window.requestAnimationFrame=window.requestAnimationFrame||window.webkitRequestAnimationFrame||window.mozRequestAnimationFrame||window.msRequestAnimationFrame||(function(callback,element){setTimeout(callback,1000/60);}); function frame(){ requestAnimationFrame(frame); updateUI(); } frame(); //start frame loop //function to (re)initialize UI function initUI(){ drawMeter(I("dlMeter"),0,meterBk,dlColor,0); drawMeter(I("ulMeter"),0,meterBk,ulColor,0); I("dlText").textContent=""; I("ulText").textContent=""; I("pingText").textContent=""; I("jitText").textContent=""; I("ip").textContent=""; }