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hirokiky/screenShotWindow.html

Created November 7, 2017 07:24
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Taking Screen Shots of main window from child popup window.
Raw
screenShotWindow.html
<html>
<head>
<script src="/js/html2canvas.min.js"></script>
</head>
<body>
<button class="screen-shot">ScreenShot</button>
<script>
var btn = document.querySelector('.screen-shot');
btn.addEventListener("click", function() {
if (!window.opener || window.opener.closed) {
window.alert('no opener window');
return false;
}
html2canvas(window.opener.document.body, {
allowTaint: true,
useCORS: true,
}).then(function(canvas) {
document.body.appendChild(canvas);
});
});
</script>
</body>
</html>
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