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21 lines
488 B
HTML
21 lines
488 B
HTML
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<!DOCTYPE html>
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<html>
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<head>
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</head>
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<body>
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<canvas id="canvas0"></canvas>
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<script>
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var canvas0=document.getElementById("canvas0");
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var ctx=canvas0.getContext("2d");
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canvas0.addEventListener("DOMAttrModified",
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function(event) {
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canvas0.toBlob(function(){},"image/jpeg",1);
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}, true);
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canvas0.setAttribute("height",470)
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</script>
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</body>
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</html>
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