generateReport

function generateReport() {
    let outputArr = [];

    let headers = document.querySelectorAll("th input");
    let cells = document.getElementsByTagName("td");
    let rowLen = headers.length;
    console.log(headers);

    let checkedHeaders = {}; //index: text

    for (let i = 0; i < headers.length; i++) {
        let currentInput = headers[i];

        let currentText = currentInput.parentElement.textContent;

        if (currentInput.checked === true) {
            checkedHeaders[i] = currentText;
        }
    }
    console.log(checkedHeaders);

    console.log(cells);
    console.log(cells.length);
    let newObj = {};
    for (let i = 0; i < cells.length; i++) {
        if (i % rowLen == 0 && i != 0) {
            outputArr.push(newObj);

            newObj = {};
        }

        let idx = i % rowLen;
        console.log();

        if (checkedHeaders.hasOwnProperty(idx)) {
            let cellText = cells[i].textContent;

            console.log(cellText);

            let key = checkedHeaders[idx].toLowerCase().trim();
            console.log(key);

            newObj[key] = cellText;

            console.log(newObj);
        }
    }
    outputArr.push(newObj);

    console.log(outputArr);
    let filtered = outputArr.filter((o) => Object.keys(o).length > 0);
    let outputJSON = JSON.stringify(filtered);
    let textArea = document.getElementById("output");
    textArea.value = outputJSON;
}