letterly.github.io/elfdaliannumber.html at main · letterly/letterly.github.io · GitHub

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<html>
    <head>
        <title>Elfdalian Number Machine</title>
        <style>
            *{
                font-family: "Verdana";
                text-align: center;
            }
            p{
                text-align: center;
                font-size: 64px;
            }
            input{
                width: 80%;
                margin-left: 10%;
                margin-right: 10%;
                font-size: 64px;
            }
        </style>
    </head>
    <body>
        <p>Elfdalian Numbers</p>
        <input onkeyup="elfdalian(this.value)" placeholder="Enter a number"></input>
        <p id="elf"></p>
    </body>
    <script>
        function elfdalian(num){
            console.log(num)
            num = +(("" + num).replace(/ /g, "").replace(/\./g, ""))
            console.log(num)
            if(num == 0){
                elf.textContent = ""
                return 0
            }
            else if(isNaN(num)){
                elf.textContent = "Enter a number"
                return 0
            }
            else if(num >= 1000000){
                elf.textContent = "Choose a smaller number please"
                return 0
            }
            else if(num % 1000 == 0){
                num = threedigit(Math.floor(num / 1000)) + " tusn"
            }
            else if(num >= 1000){
                num = threedigit(Math.floor(num / 1000)) + "tusn" + threedigit(num % 1000)
            }
            else{
                num = threedigit(num)
            }
            num = "" + num
            num = num.replace("ttt", "tt")
            num = num.replace("fyra ", "fyr ")
            num = num.replace("åtta ", "ått ")
            num = num.replace("niu ", "ni ")
            num = num.replace("tiu ", "ti ")
            console.log(num)
            elf.textContent = num
        }

        function threedigit(n){
            digits = ["", "iett", "twå", "tri", "fyra", "fem", "sjäks", "sju", "åtta", "niu", "tiu", "ellåv", "tolv", "trettą̊", "fiuortą̊", "femtą̊", "sjäkstą̊", "sjuttją̊", "åttją̊", "nittją̊"]
            tens = ["", "", "tiugu", "tretti", "fyrti", "femti", "sjäksti", "sjutti", "åtti", "nitti"]
            if(n < 20) return digits[n]
            else if(n < 100) return tens[Math.floor(n / 10)] + digits[n % 10]
            else if(n % 100 == 0) return digits[n / 100] + " undrað"
            else if(n < 200) return "undrað" + threedigit(n - 100)
            else return digits[Math.floor(n / 100)] + "undrað" + threedigit(n % 100)
        }
    </script>
</html>