Untitled

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <title>oppg6</title>

<script>

window.onload = oppstart;

function oppstart () {

document.getElementById("btnKnapp") .onclick = lines;

}

function lines () {

  var innhold =  document.getElementById("txtBoksEn") .value;

  var linjer =  document.getElementById("txtBoksTo") .value;


    for (linjer = 0; linjer <100; linjer = innhold) {

      document.getElementById("utskrift").innerHTML += "<br />" + innhold;
    }

}


</script>
</head>
<body>

<input type="text" id="txtBoksEn" />
<input type="number" id="txtBoksTo" />
<button type="button" id="btnKnapp">Lines</button>

<p id="utskrift"></p>


</body>
</html>