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    copied!<p>I hope, the following example will help you:</p> <pre><code>&lt;head&gt; &lt;style&gt; #svgContainer { width: 400px; height: 400px; background-color: #a0a0a0; } &lt;/style&gt; &lt;script&gt; function CreateSVG () { var xmlns = "http://www.w3.org/2000/svg"; var boxWidth = 300; var boxHeight = 300; var svgElem = document.createElementNS (xmlns, "svg"); svgElem.setAttributeNS (null, "viewBox", "0 0 " + boxWidth + " " + boxHeight); svgElem.setAttributeNS (null, "width", boxWidth); svgElem.setAttributeNS (null, "height", boxHeight); svgElem.style.display = "block"; var g = document.createElementNS (xmlns, "g"); svgElem.appendChild (g); g.setAttributeNS (null, 'transform', 'matrix(1,0,0,-1,0,300)'); // draw linear gradient var defs = document.createElementNS (xmlns, "defs"); var grad = document.createElementNS (xmlns, "linearGradient"); grad.setAttributeNS (null, "id", "gradient"); grad.setAttributeNS (null, "x1", "0%"); grad.setAttributeNS (null, "x2", "0%"); grad.setAttributeNS (null, "y1", "100%"); grad.setAttributeNS (null, "y2", "0%"); var stopTop = document.createElementNS (xmlns, "stop"); stopTop.setAttributeNS (null, "offset", "0%"); stopTop.setAttributeNS (null, "stop-color", "#ff0000"); grad.appendChild (stopTop); var stopBottom = document.createElementNS (xmlns, "stop"); stopBottom.setAttributeNS (null, "offset", "100%"); stopBottom.setAttributeNS (null, "stop-color", "#0000ff"); grad.appendChild (stopBottom); defs.appendChild (grad); g.appendChild (defs); // draw borders var coords = "M 0, 0"; coords += " l 0, 300"; coords += " l 300, 0"; coords += " l 0, -300"; coords += " l -300, 0"; var path = document.createElementNS (xmlns, "path"); path.setAttributeNS (null, 'stroke', "#000000"); path.setAttributeNS (null, 'stroke-width', 10); path.setAttributeNS (null, 'stroke-linejoin', "round"); path.setAttributeNS (null, 'd', coords); path.setAttributeNS (null, 'fill', "url(#gradient)"); path.setAttributeNS (null, 'opacity', 1.0); g.appendChild (path); var svgContainer = document.getElementById ("svgContainer"); svgContainer.appendChild (svgElem); } &lt;/script&gt; &lt;/head&gt; &lt;body onload="CreateSVG ()"&gt; &lt;div id="svgContainer"&gt;&lt;/div&gt; &lt;/body&gt; </code></pre>
 

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