检测浏览器是否支持canvas功能

<html>
<head></head>
<body>
    <div id = 'support'>
    </div>
</body>
<footer>
    <script>
        var support = document.getElementById('support');
        try {
            var context = document.createElement('canvas').getContext('2d');
            support.innerHTML = 'chorme support canvas!';
        } catch(ex) {
            support.innerHTML = 'chorme do not support canvas!';
        }
    </script>
</footer>
</html>

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转载自blog.csdn.net/qq_23143555/article/details/80876601
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