xiemeikj的专栏

var str =      a     ;var reg = /(^/s*)|(/s*$)/ga = a.replace(reg,);

  //全角转半角  function CtoH(str)  {   var result="";   for (var i = 0; i    {    if (str.charCodeAt(i)==12288)    {     result+= String.fromCharCode(str.charCodeAt(i)-12256);     continue;    }    if (st