reg = /("([^\\\"]*(\\.)?)*")|('([^\\\']*(\\.)?)*')|(\/{2,}.*?(\r|\n|$))|(\/\*(\n|.)*?\*\/)/g;
 
script.replace(reg, function(word) { 
      // 去除注释后的文本 
    return /^\/{2,}/.test(word) || /^\/\*/.test(word) ? "" : word; 
  });