Get style from tag
<html> <head> <script type="text/javascript"> var djConfig = { baseScriptUri : "js/dojo/" }; </script> <script type="text/javascript" src="js/dojo/dojo/dojo.js"></script> <script> function testIt() { alert(dojo.style("myDiv", "color")); dojo.style("myDiv", "color", "#0000ff"); } </script> </head> <body onLoad="testIt();"> <div id="myDiv" style="color:#ff0000;">I am myDiv</div> </body> </html>