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Editorial Team
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Asked: 2026-06-17T16:43:35+00:00

I have written a small example page that looks like this: <!DOCTYPE html> <html>

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I have written a small example page that looks like this:

<!DOCTYPE html>
<html>
    <head>
        <meta http-equiv="content-type" content="text/html; charset=utf-8" />
        <title>IGO&nbsp;&ndash;&nbsp;IRC Go</title>
        <link rel="stylesheet" type="text/css" href="igo.css" />
        <script type="text/javascript" src="igo.js"></script>
    </head>
    <body>
        <h1 onclick="makeCircle()">IGO&nbsp;&ndash;&nbsp;IRC Go</h1>
        <svg xmlns="http://www.w3.org/2000/svg" version="1.1" id="board" 
            width="4" height="4" viewBox="0 0 4 4">
        <!-- content will be generated by script -->
        </svg>
        <div id="foo"></div>
    </body>
</html>

Where the igo.js looks like this:

function makeCircle() {
    var circle = document.createElement("circle");
    var board = document.getElementById("board");
    circle.cx = 4;
    circle.cy = 4;
    circle.r  = 4;
    circle.fill = "lime";
    board.appendChild(circle);
}

The problem is: It does not work; the circle is not displayed. Can you help me?

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1 Answer

  1. Editorial Team

    Please look in to the following URL:
    http://blog.blazingcloud.net/2010/09/17/svg-scripting-with-javascript-part-1-simple-circle/

    You should use code like:

    var c2 = document.createElementNS("http://www.w3.org/2000/svg", "circle");
c2.setAttribute("cx", "250");
c2.setAttribute("cy", "100");
c2.setAttribute("r", "60");
c2.setAttribute("fill", "#996699");
c2.setAttribute("stroke", "#AA99FF");
c2.setAttribute("stroke-width", "7");
mySvg.appendChild(c2);

    You are currently editing the DOM Object instead of an attribute used by the browser.

    Live example: http://jsfiddle.net/CJrrz/

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