题解 | #返回函数#
返回函数
https://www.nowcoder.com/practice/1f9fd23cdfd14675ab10207191e1d035
function functionFunction(...str) {
function getStr(fn, ...arg) {
let fnLen = fn.length
let argLen = arg.length
if (fnLen > argLen) {
return function (...args) {
return getStr(fn, ...arg, ...args)
}
} else {
return fn(...arg)
}
}
function strSum(a, b) {
let arr = arguments
return Array.prototype.join.call(arr, ', ')
}
return getStr(strSum,...str)
}
你点进去没打招呼他也会有提示的，之前我点进美的，还没打招呼，他马上给我发了不太合适哦