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<title>Document</title>
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<script>
let arr = [0, 2, 2, 34, 45, 44, 0]
console.log([...new Set(arr)]);//[0, 2, 34, 45, 44]
console.log(Array.from(new Set(arr)));//[0, 2, 34, 45, 44]
function unArr(arr) {
let arrs = []
arr.forEach((item) => {
if (!arrs.includes(item)) {
arrs.push(item)
}
})
return arrs
}
console.log(unArr(arr));
function unArr2(arr) {
let arrs = []
arr.forEach((item) => {
if (arrs.indexOf(item) === -1) {
arrs.push(item)
}
})
return arrs
}
console.log(unArr2(arr));
</script>
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