Utf-8 code causes JS output Chinese garbled solution _javascript skill

Encoding rules are utf-8, such as in the header of a Web page:
<meta http-equiv= "Content-type" content= "text/html; Charset=utf-8 "/>
Then JS file If there is a Chinese output will appear garbled, solve this problem has two methods:

1. Add charset= "gb2312" or charset= "Big5" to the place where the JavaScript output is referenced (assuming the output is Big5 traditional characters).

Cases:
<script type= "Text/javascript" language= "JavaScript" src= "Scripts/output.js" charset= "gb2312" ></script >

2, the JS file saved as utf-8 code.