中文轉換爲UTF-8:
var strInput = "我們是中國人";
var strutf8 = strInput.replace(/[^/u0000-/u00FF]/g,function($0){return escape($0).replace(/(%u)(/w{4})/gi,"&#x$2;")});
UTF-8轉換爲中文:
var strInput = "我们是中国人";
var strChin = unescape(strInput .replace(/&#x/g,'%u').replace(/;/g,''));