比如我有一個數組，我想把數組中所有開頭帶13的刪除，為什么數組只會刪除偶數呢？而且只會刪除5個。var arr = ["1302","1303","1304","1305","1306","1307","1308","1309","1310","1311"]
arr.map(function(val,index,arr){ if (arr[index].substring(0,2) == sub) {
arr.splice(index,1);
}
})
console.log(arr[index],val,index);
如果刪除數組中固定開頭的值呢？
慕慕森
2018-10-10 13:10:31
