JavaScript canvas2d object method: stroke()
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The stroke() method of the JavaScript
DOM object returned
by the getContext("2d")
method applied to the HTML <canvas>
element draws a path in the canvas. The default colour is black, but this can
be overridden using the strokeStyle
property.
It has the following
syntax with no parameters.
context.stroke()
EXAMPLE:
HTML USED IN THIS EXAMPLE:
<!DOCTYPE html>
<html> <!-- Copyright (c) Nematrian Limited 2018 -->
<head></head>
<body>
<span id="element"></span>
<script>
var x2 = document.createElement("CANVAS");
x2.setAttribute("width", "200");
x2.setAttribute("height", "100");
x2.setAttribute("style", "border: 1px solid black");
var c2 = x2.getContext("2d");
c2.strokeStyle = "red";
c2.moveTo(100, 10);
c2.lineTo(100, 90);
c2.stroke();
document.getElementById("element").appendChild(x2);
</script>
</body>
</html>
|
FUNCTION THAT MAY ASSIST IN TESTING WHETHER FEATURE IS SUPPORTED:
function isSupportedJavaScriptMethodCanvas2dStroke() {
var x = document.createElement("CANVAS"); var c = x.getContext("2d"); return !!c.stroke;
} |
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