知识积累

//方法一
document.write(
"<script language=\"JavaScript\" type=\"text/javascript\" src=\"t.js\"><\/script>"
);

//方法二
var
 script = document.createElement(
"script"
);
script.src = 
"t.js"
;
script.type = 
"text/javascript"
;
document.getElementsByTagName(
"head"
).item(0).appendChild(script);

flex框架    cairngorm