编辑代码

function deleteElement(arr, target) {
    let k = 0;
    for(let i = 0; i < arr.length; i++) {
        if(arr[i] != target) {
            arr[k++] = arr[i]
        }
    }
    return k;
}
const arr = [23,3,53,3,23,5]
deleteElement(arr,53)
console.log(arr)