解題思路:
(1)依次遍歷,保存下標
function findAllOccurrences(arr, target) {
var res = [];
for(var i=0;i<arr.length;i++) {
if(arr[i]==target) res.push(i);
}
return res;
}
解題思路:
(1)依次遍歷,保存下標
function findAllOccurrences(arr, target) {
var res = [];
for(var i=0;i<arr.length;i++) {
if(arr[i]==target) res.push(i);
}
return res;
}