Monday, May 9, 2016

HTML5 - Beginners - Milliseconds Date.now() example 

<!DOCTYPE = html>
<html><body>
<canvas id="myCanvas" width="640" height="480" style="border:1px solid #d3d3d3;">
Use different browser.
</canvas>
<script>
    var c=document.getElementById("myCanvas");
    var ctx=c.getContext("2d");
    
    function thecounter(){
        this.started = Date.now();
        this.timestarted = function(){
            return this.started
        }
        this.timeelapsed = function(){
            return Date.now() - this.started;
        }
    }
    
    var mycounter = new thecounter();
    gameloop=setInterval(dogameloop,16);
    function dogameloop(){
        ctx.clearRect(0,0,c.width,c.height);
        ctx.fillStyle="black";
        ctx.font="30px Arial";
        ctx.fillText("Start time : "+mycounter.timestarted(),10,30);
        ctx.fillText("TIme Elapsed : "+mycounter.timeelapsed(),10,60);
    }    
</script></body></html>
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