export function getStringByteLength(val){
var str = new String(val);
var bytesCount = 0;
for (var i = 0 ,n = str.length; i < n; i++) {
var c = str.charCodeAt(i);
if ((c >= 0x0001 && c <= 0x007e) || (0xff60<=c && c<=0xff9f)) {
bytesCount += 1;
} else {
bytesCount += 2;
}
}
return bytesCount;
}