function(str){
var realLength = 0, len = str.length, charCode = -1;
for (var i = 0; i < len; i++) {
charCode = str.charCodeAt(i);
if (charCode >= 0 && charCode <= 128) {
realLength += 1;
}
else {
realLength += 2;
}
}
return realLength ;
}
function(str){
var realLength = 0, len = str.length, charCode = -1;
for (var i = 0; i < len; i++) {
charCode = str.charCodeAt(i);
if (charCode >= 0 && charCode <= 128) {
realLength += 1;
}
else {
realLength += 2;
}
}
return realLength ;
}