function string2int(s){ var nMap = new Map([['1',1],['2',2],['3',3],['4',4],['5',5],['6',6],['7',7],['8',8],['9',9],['0',0]]); return s.split('') .map(function(x){ return nMap.get(x); }) .reduce(function(x,y){ return x*10 +y}); }
function normalize(arr){ return arr.map(function(x){ return x.substring(0,1).toUpperCase() + x.substring(1).toLowerCase(); }) } `
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认识包还