$("#ray_9297").html("\n
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18<\/a><\/pre><\/td>\n  
<!DOCTYPE html><\/span>
<\/span><html><\/span>
  <\/span><head><\/span>
    <\/span><meta<\/span> <\/span>charset<\/span>=<\/span>"<\/span>utf-8<\/span>"<\/span><\/span>/><\/span>
    <\/span><title><\/span>Canvas tutorial<\/span></title><\/span>
    <\/span><script<\/span> <\/span>type<\/span>=<\/span>"<\/span>text/javascript<\/span>"<\/span><\/span>><\/span>
<\/span>      <\/span>function<\/span> <\/span>draw<\/span>(<\/span>)<\/span> <\/span>{<\/span>
        <\/span>var<\/span> <\/span>canvas<\/span> <\/span>=<\/span> <\/span>document<\/span>.<\/span>getElementById<\/span>(<\/span>\'<\/span>tutorial<\/span>\'<\/span><\/span>)<\/span>;<\/span>
        <\/span>if<\/span> <\/span>(<\/span>canvas<\/span>.<\/span>getContext<\/span>)<\/span> <\/span>{<\/span>
          <\/span>var<\/span> <\/span>ctx<\/span> <\/span>=<\/span> <\/span>canvas<\/span>.<\/span>getContext<\/span>(<\/span>\'<\/span>2d<\/span>\'<\/span><\/span>)<\/span>;<\/span>
        <\/span>}<\/span>
      <\/span>}<\/span><\/span>
    <\/span></script><\/span>
  <\/span></head><\/span>
  <\/span><body<\/span> <\/span>onload<\/span>=<\/span>"<\/span>draw<\/span>(<\/span>)<\/span>;<\/span>"<\/span><\/span>><\/span>
    <\/span><canvas<\/span> <\/span>id<\/span>=<\/span>"<\/span>tutorial<\/span>"<\/span><\/span> <\/span>width<\/span>=<\/span>"<\/span>150<\/span>"<\/span><\/span> <\/span>height<\/span>=<\/span>"<\/span>150<\/span>"<\/span><\/span>><\/span></canvas><\/span>
  <\/span></body><\/span>
<\/span></html><\/span><\/pre><\/td>\n<\/tr><\/table>\n\n");