关于DEFER,载入HTML段中如果有脚本,如何运行?

newPage[1] = '<div style="background:blue; width:150px; height:200px; margin:10px;"><SCRIPT LANGUAGE="JavaScript">function doSomething(){;}</SCRIPT><br><a href="#" >Hello</a></div>';==>newPage[1] = '<div style="background:blue; width:150px; height:200px; margin:10px;"><SCRIPT LANGUAGE="JavaScript" defer=true>function doSomething(){;}</SCRIPT><br><a href="#" >Hello</a></div>';