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Javascript for changeing the color of span elements with a particular class attribute.

<script type="text/javascript">

  function changecolor() {

      for (i=0;i<document.getElementsByTagName("span").length;
i++) {

          if
(document.getElementsByTagName("span").item(i).className == "myclass"){

             
document.getElementsByTagName("span").item(i).style.color = "green";

          }

      }

  }

  </script>

  

  .......

  

  <a
href="#" onclick="changecolor();">Change
Color</a>

  

  .......

  

  <span class="myclass">Hi There</span>