function remove(arr, item) {
for (let i = 0; i < arr.length; i++) {
if (arr[i] === item) {
arr.splice(i, 1)
i--
}
}
return arr
}
function remove(arr, item) {
for (let i = arr.length; i >= 0; i--) {
if (arr[i] === item) {
arr.splice(i, 1)
}
}
return arr
}
function remove(arr, item) {
while (arr.indexOf(item) !== -1) {
arr.splice(arr.indexOf(item), 1)
}
return arr
}


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