JS tableToJson

function tableToJson(table) {
    var data = [];
    for (var i=0; i<table.rows.length; i++) {
        var tableRow = table.rows[i];
        var rowData = [];
        for (var j=0; j<tableRow.cells.length; j++) {
            rowData.push(tableRow.cells[j].innerText);;
        }
        data.push(rowData);
    }
    return data;
}

var table = document.querySelector("tbody")
var json = tableToJson(table)
console.log(JSON.stringify(json))