Adam Khoury

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Line Styles for Lines and Strokes

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Author :
Adam Khoury
In this third exercise we will focus on line styles. There are several properties in JavaScript available that allow us to manipulate the way lines and strokes appear on our canvas element. Create dashed lines, offset dashes, miter effects, rounded effects and more. <!DOCTYPE html> <html> <head> <style> body{ margin:40px; background:#666; } #canvas1{ background:#FFF; border:#000 1px solid; } </style> <script> function draw() { var canvas = document.getElementById("canvas1"); var ctx = canvas.getContext("2d"); ctx.beginPath(); ctx.lineWidth = 20; ctx.lineCap = "round"; // butt, round, square ctx.lineJoin = "miter"; // bevel, round, miter ctx.miterLimit = 2; ctx.setLineDash([20,10,30,10,40,10]); ctx.lineDashOffset = 10; ctx.moveTo(150,150); ctx.lineTo(240,240); ctx.lineTo(240,40); ctx.stroke(); } window.onload = draw; </script> </head> <body> <canvas id="canvas1" width="500" height="400"></canvas> </body> </html>