canvas graph 1
by rao b
HTML
<canvas id="myCanvas" width="500" height="500" style="border:1px solid #d3d3d3;">
JavaScript
var c = document.getElementById("myCanvas");
var ctx = c.getContext("2d");
var i;
for(i=0;i<500;i +=20){
ctx.moveTo(i,0);
ctx.lineTo(0,500-i);
ctx.stroke();
}