Open wangyuan0108 opened 4 years ago
如果要变成数字数组呢?可以这样:
['1','2','3'].map(Number);
// [1,2,3]
let unary = fn => val => fn(val)
let parse = unary(parseInt)
console.log(['1.1', '2', '0.3'].map(parse))
// [1,2,0]
显式指定转换基数
['1','2','3'].map(n=>parseInt(n,10))
['1','2','3'].map(n=>parseInt(n))
// [1,2,3]
以上等价于
结果