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炒鸡喜欢梨

#1 Created at ... [Delete] [Delete and Lock User] 
function product(arr) {
    arr.reduce(function (x, y){
        return x + y;
    });
}

function string2int(s) {
    var arr = [];
    for (var i of s){
        arr.push(i*1); // 强转int
    }
    return arr.reduce(function (x, y){
        return x * 10 + y;
    })
}


function normalize(arr) {
    return arr.map(function (x){
        return x.toLowerCase().replace(x[0].toLowerCase(), x[0].toUpperCase());
    })
}

var arr = ['1', '2', '3'];
var r;
r = arr.map(function (x){return x * 1});
console.log(r);

🌙

#2 Created at ... [Delete] [Delete and Lock User]

2 写的不错，可惜没有用到map

0

#3 Created at ... [Delete] [Delete and Lock User]

发现这个

function string2int(s) {
    return s/1;
}
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