jebac unie leszno

<form id="cezar">
informacja: <input type="text"><br>
przesuniecie: <input type="number"><br>
<input type="button" value="szyfruj" id="s" onclick="c(this)"><input type="button" id="ds" value="deszyfruj" onclick="c(this)">
</form>
<p id="cw"></p>


<form id="asym">
informacja: <input type="number"><br>
klucz: <input type="number"><br>
<input type="button" value="szyfruj" id="s" onclick="d(this)"><input type="button" id="ds" value="deszyfruj" onclick="d(this)">
</form>
<p id="sw"></p>
<script>

function cezar(info, p){
    info = info.toLowerCase()
    let out = "", tmp

    for(let i = 0; i<info.length; i++){
        tmp = info[i].charCodeAt()+parseInt(p)
        console.log(tmp)
        if(tmp>122){
            tmp = tmp-26
        } else if(tmp<97){
            tmp = tmp+26
        }

        out += String.fromCharCode(tmp)
    }
    return out
}
function c(b){
    let a = document.getElementById("cezar").children
    let info = a[0].value, p = a[2].value, cw = document.getElementById("cw")

    if (b.id == "s"){
        cw.innerHTML = cezar(info, p)
    } else if (b.id == "ds"){
        cw.innerHTML = cezar(info, p*-1)
    }
}

function d(b){
    let a = document.getElementById("asym").children
    let info = a[0].value, p = a[2].value, sw = document.getElementById("sw")

    if (b.id == "s"){
        sw.innerHTML = info*7*p //publiczny
    } else if (b.id == "ds"){
        sw.innerHTML = info/p //prywatny
    }
}
</script>