ID_BESTEMMINGEN
BESTEMMING

function openBestemmingWindow() {
        var bestemming = prompt("Voeg alsjeblieft een bestemming toe","Typ hier");
        connection.query('INSERT INTO bestemmingen SET ?', bestemming, (err, res) => {
            if(err) throw err;
            console.log('Last insert ID:',res.insertId);
        });
    }

AdminHomePage.html?_ijt=q8ro2icbao3o885c8ovb5qq1qv:42 Uncaught ReferenceError: connection is not defined
    at openBestemmingWindow (AdminHomePage.html?_ijt=q8ro2icbao3o885c8ovb5qq1qv:42)
    at HTMLButtonElement.onclick (AdminHomePage.html?_ijt=q8ro2icbao3o885c8ovb5qq1qv:32)