这种方式链接js ff是不是不支持
<script   type= "text/javascript "   id= "loadjs "   src= " "> </script>
<script   type= "text/javascript ">
loadjs.src   =   "1.js ";
</script>

ie下正常
ff就没反应

------解决方案--------------------
FF必须先getElementxxx 获得元素