Javascript/canvas - 変更履歴

127.0.0.1: ページの作成:「==helloworld== <html> <head> <script src="http://ajax.googleapis.com/ajax/libs/jquery/1.7.1/jquery.min.js" type="text/javascript">
2015-05-19T18:11:33Z

ページの作成:「==helloworld== <<nowiki />html> <<nowiki />head> <<nowiki />script src="http://ajax.googleapis.com/ajax/libs/jquery/1.7.1/jquery.min.js" type="text/javascript"></scrip...」

新規ページ
==helloworld==
<<nowiki />html>
<<nowiki />head>
<<nowiki />script src="http://ajax.googleapis.com/ajax/libs/jquery/1.7.1/jquery.min.js" type="text/javascript"></script>
<<nowiki />script>
$(function() {
var canvas = document.getElementById('sample');
var context = canvas.getContext('2d');
context.fillStyle = 'rgb(255,00,00)'; // 塗りつぶし
context.fillRect(20,40,50,100); // 四角
});
</script>
</head>
<<nowiki />body>
<<nowiki />canvas width="400" height="300" id="sample"></canvas>
</body>
</html>