How to set line width on HTML5 canvas

Description

We can set line width with lineWidth property from canvas content.

Example


<!DOCTYPE HTML>
<html>
    <head>
        <script>
            window.onload = function(){<!--from   www . j  a v  a2  s .c  om-->
                var canvas = document.getElementById("myCanvas");
                var context = canvas.getContext("2d");
                
        // set the line width to 10 pixels
                context.lineWidth = 10;
        // set the line color to blue
                context.strokeStyle = "blue";
        // position the drawing cursor
                context.moveTo(50, canvas.height - 50);
        // draw the line
                context.lineTo(canvas.width - 50, 50);
        // make the line visibile with the stroke color
                context.stroke();
            };
        </script>
    </head>
    <body>
        <canvas id="myCanvas" width="600" height="250" style="border:1px solid black;">
        </canvas>
    </body>
</html>

Click to view the demo





















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