triangle shape in js code example
Example: how to draw a triangle using javascript
<!doctype html>
<html>
<head>
<body>
<canvas></canvas>
<script>
var canvas=document.querySelector('canvas');
var context=canvas.getContext(2d);
context.beginPath();
context.moveTo(75,75);
context.lineTo(10,75);
context.lineTo(10,25);
context.fill();
</script>
</body>
</head>
</html>