标签:lse hash cti log 判断 span func console nbsp
function isRepeat(arr) { var hash = {}; for(var i in arr) { if(hash[arr[i]]) return true; hash[arr[i]] = true; } return false; } var a = [1,2,34,5,1] console.log(isRepeat(a))
标签:lse hash cti log 判断 span func console nbsp
原文地址:https://www.cnblogs.com/bunuo/p/9267965.html