Dark Sun dwarven word generator

by rosemaryJ

HTML

<!DOCTYPE html>
<html>
    <head>
        <meta charset="utf-8">
        <meta http-equiv="X-UA-Compatible" content="IE=edge">
        <title></title>
        <meta name="description" content="">
        <meta name="viewport" content="width=device-width, initial-scale=1">
        <link rel="stylesheet" href="">
    </head>
    <body>
        
        <input type="button" value="Generate Dwarven word" onclick="generateMission()">

<div id="missionText"></div>
<br><br>
data from :<br>
Some dark sun sourcebook and discord members<br><br>
See of my dark sun random generators here:<br>
<a href="https://github.com/rosemaryJ78/randomGenerators/">https://github.com/rosemaryJ78/randomGenerators/</a>
    </body>
</html>

JavaScript

//dataList contains all the data to generate missions Mulzhennedar
            //to add more, add a text string in "", inside the correct [], adding a comma in the end will cause an error:

            //Words:
            //Hogalay (canon location though being dwarven is fanon)
            // Toganay
            // Knorhay
            // Urztraki
            // urhomous = something like "elder"
            // durgonis = an old green age dwarven god
            // kemalok
            // Mulzhennedar

        var dataList = {
            first : ["ke", "ma", "ur", "ho", "dur", "go", "hoga", "toga", "knor", "urz", "tra", "andi", "urh", "rak", "mulz"],

            last : ["mous", "nis", "lok", "lay", "nay", "hay", "ki", "ron", "kus", "nius", "hen", "ne", "dar"]

                };       

            function generateMission() { //Generates a string with a mission from the lists
                document.getElementById("missionText").innerHTML = `
                Dwarven language:<br> ${returnValue("first")}${returnValue("last")}, <br>
                ${returnValue("first")}${returnValue("first")}${returnValue("last")} <br>`;

            }

            function returnValue(list) { //Returns a value from the lists to the string string
                var listLength = dataList[list].length;

                return dataList[list][Math.floor(Math.random() * listLength)];
            }

            generateMission(); //Generates a mission when loading page