0004 added[hypotenuseCalculator, counter, randomNumberGeneration]

js/calcHypotenuse.js

@@ -0,0 +1,10 @@
+//https://youtu.be/8dWL3wF_OMw?t=2213
+//Calculate hypotenuse on click of Submit-button.
+document.getElementById("calcHypotenuseButton").onclick = function() {
+    let a = document.getElementById("sideAVal").value;
+    let b = document.getElementById("sideBVal").value;
+    let c;
+
+    c = Math.sqrt(Math.pow(a,2) + Math.pow(b,2));
+    document.getElementById("hypotenuse").innerHTML = "Hypotenuse: " + c;
+}