title: Is there a way to use Canvas in IE7 or IE8?
body: <p>Is there any workaround to use "Canvas" tag in IE7 and IE8 ?
  Pls let me know.    </p>
  
  <pre><code>&lt;input type="text" id="textSign" value="Sign" />
  &lt;input type="button" onclick="javascript:return changeSign();" value="changeSign" />
  &lt;canvas id="e" width="150" height="100">&lt;/canvas>
  &lt;script type="text/javascript">
  var textSign = document.getElementById("textSign").value;
        function changeSign() {
               textSign = document.getElementById("textSign").value;
                      var canvas = document.getElementById("e");
                      var context = canvas.getContext("2d");
                      context.fillStyle = "#4c4c4c";
                      context.font = "30px Giddyup Std";
                      context.fillText (textSign , 20, 50);
                  }
              &lt;/script></code></pre>