krouzek:prace_s_textem

<!DOCTYPE html>
<html lang="cs">
<head>
    <meta charset="utf-8" />
    <title>Zalamování</title>
 
    <style>
        input[type=text] {
            width: 95%;
        }
        #vystup {
            white-space: nowrap;
        }
    </style>
 
    <script>
   function zalamText(){
    // vstup
    const nezalomenyText = document.getElementById('vstup').value
    const delkaRadku = parseInt(document.getElementById('delka-radku').value)
 
    // todo: udelej zmeny
    let zalomenyText = nezalomenyText
    zalomenyText = zalomenyText.replaceAll(" ","<br>")
 
    // vystup
    document.getElementById('vystup').innerHTML = zalomenyText
   }
    </script>
</head>
 
<body>
    <p><input type="text" id="vstup"></p>
    <p><input type="number" id="delka-radku" value="20"></p>
 
    <p><div id="vystup">
    </div></p>
 
    <p><input type="submit" onclick="zalamText()"></p>
</body>
</html>