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<!doctype html>
<html>
    <head>
        <title>Intro JavaScript</title>
		<meta charset="utf-8" />
		<style>
		</style>
		<script>
		window.onload =oppstart;

		function oppstart () {
		document.getElementById("btnPluss").onclick = skrivSvar;
		}

		function skrivSvar () {
			var tallEn = document.getElementById("Boks1").value;
			var tallTo = document.getElementById("Boks2").value;

				document.getElementById("resultat").innerHTML = Boks1 + Boks2;

			}


		</script>
    </head>
    <body>
        <h1> DETTE ER EN KALKULATOR WOHO </h1>
		<p> Skriv inn ditt første tall her: <input type=number" id="Boks1" /> </p>
		</br>
		<p> Skriv inn ditt andre tall her: <input type=number" id="Boks2" /> </p>

	</br>
	</br>
	<button id="btnPluss"> Pluss </button>
	<button id= "btnMinus"> Minus </button>
	<button id="btnGange"> Gange </button>
	<button id="btnDele"> Dele </button>

		<p id="resultat">  </p>


    </body>
</html>