html5-canvas Path (Syntax only) lineTo (a path command)
Example
context.lineTo(endX, endY)
Draws a line segment from the current pen location to coordinate [endX,endY]
<!doctype html>
<html>
<head>
<style>
body{ background-color:white; }
#canvas{border:1px solid red; }
</style>
<script>
window.onload=(function(){
// get a reference to the canvas element and it's context
var canvas=document.getElementById("canvas");
var ctx=canvas.getContext("2d");
// arguments
var startX=25;
var startY=20;
var endX=125;
var endY=20;
// Draw a single line segment drawn using "moveTo" and "lineTo" commands
ctx.beginPath();
ctx.moveTo(startX,startY);
ctx.lineTo(endX,endY);
ctx.stroke();
}); // end window.onload
</script>
</head>
<body>
<canvas id="canvas" width=200 height=150></canvas>
</body>
</html>
You can assemble multiple .lineTo commands to draw a polyline. For example, you could assemble 3 line segments to form a triangle.
<!doctype html>
<html>
<head>
<style>
body{ background-color:white; }
#canvas{border:1px solid red; }
</style>
<script>
window.onload=(function(){
// get a reference to the canvas element and it's context
var canvas=document.getElementById("canvas");
var ctx=canvas.getContext("2d");
// arguments
var topVertexX=50;
var topVertexY=20;
var rightVertexX=75;
var rightVertexY=70;
var leftVertexX=25;
var leftVertexY=70;
// A set of line segments drawn to form a triangle using
// "moveTo" and multiple "lineTo" commands
ctx.beginPath();
ctx.moveTo(topVertexX,topVertexY);
ctx.lineTo(rightVertexX,rightVertexY);
ctx.lineTo(leftVertexX,leftVertexY);
ctx.lineTo(topVertexX,topVertexY);
ctx.stroke();
}); // end window.onload
</script>
</head>
<body>
<canvas id="canvas" width=200 height=150></canvas>
</body>
</html>
