To create a custom table by getting values from a dynamicaly created table

what I want is on save click to show another table like below where the second column(Questions) has sub-columns depending maximum L value a row has:

unit Question

unit1 23(L1)

unit2 23(L3)

unit3 24(L3)

unit4 6(L2) unit4 10(L4)

unit5 7(L1)
unit5 10(L6)

unit6 10(L2) unit 7(L4)

var x = [];
    function getval() {
        var trs = $('#DyanmicTable3 tr:not(:first-child):not(:nth-last-child(2)):not(:last-child)');
        var trs1 = $('#DyanmicTable3 tr:last-child');
        var lastTotalElement = $('#DyanmicTable3 tr:nth-last-child(2)');
        console.log(trs1);
        for (let i = 2; i <= 7; i++) {
            const total = Array.from(trs)
                .reduce((acc, tr) => x.push(Number(tr.children[i].textContent)), 0);
            ;
        }
        console.log(JSON.stringify(x));
    }

this is wt i got so far getting values in an array

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