题解 | #查找元素位置#
查找元素位置
https://www.nowcoder.com/practice/0a9af9cb20c34babb6232126e019c74d
function findAllOccurrences(arr, target) {
var wei = [];
var count = 0;
for (let i=0;i<arr.length;i++) {
if (arr[i]===target) {
count++
wei[count-1] = i;
}
}
return wei
}

