3js

数组

<script>
        var arr = []
        for (var i = 0;i <= 9;i++) {
            arr[i] = i + 1
        }
        console.log(arr)
    </script>

<script>
        var arr = [1,22,3,44,5]
        var new_arr = []
        for (var i = 0;i <= arr.length;i++) {
            if (arr[i] > 10) {
                new_arr[new_arr.length] = arr[i]
            }
        }
        console.log(new_arr)
    </script>