多个jquery冲突

< script type = " text/javascript "  src = "jquery1.8.3 .js " >< / script>
< script type = " text/javascript "  src = " jquery.js " >< / script>

< script type = " text/javascript " >
  $.noConflict();
  jQuery(document).ready( function ($) {
     //  使用 jQuery $ 的代码
  });
   //  使用其他库的 $ 的代码
< / script>