4 <meta http-equiv=
"content-type" content=
"text/html; charset=UTF-8">
7 <p><canvas width=
"500" height=
"200" id=
"c"></canvas></p>
8 <script type=
"text/javascript">
10 var canvas
= document
.getElementById('c');
11 var ctx
= canvas
.getContext('2d');
16 ctx
.strokeStyle
= 'rgb(0,0,0)';