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JS 大整数相加

function sumStrings(a,b){
var res=‘‘, c=0;
a = a.split(‘‘);
b = b.split(‘‘);
while (a.length || b.length || c){
c += ~~a.pop() + ~~b.pop();
res = c % 10 + res;
c = c>9;
}
var num = parseInt(res.replace(/^0+/,‘‘));
return num;
}

转自:http://www.cnblogs.com/kindofblue/p/4672129.html

JS 大整数相加