javascript计算字符串长度

javascript计算字符串长度

学习了：https://blog.csdn.net/u012934325/article/details/75214847

function getByteLen(val) {
var len = 0;
for (var i = 0; i < val.length; i++) {
var a = val.charAt(i);
if (a.match(/[^\x00-\xff]/ig) != null) {
len += 2;
}
else {
len += 1;
}
}
return len;
}