From 480e837f2966688ce180b46be869ad46ac809269 Mon Sep 17 00:00:00 2001
From: Marcus Kammer <marcus.kammer@mailbox.org>
Date: Thu, 17 Aug 2023 16:22:30 +0200
Subject: [PATCH] Add js

---
 public/scroll_depth.js | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)
 create mode 100644 public/scroll_depth.js

diff --git a/public/scroll_depth.js b/public/scroll_depth.js
new file mode 100644
index 0000000..9544929
--- /dev/null
+++ b/public/scroll_depth.js
@@ -0,0 +1,20 @@
+document.addEventListener("DOMContentLoaded", function() {
+    let depthReached = 0;
+
+    window.addEventListener('scroll', function() {
+	let s = window.scrollY,
+	    d = document.documentElement.scrollHeight,
+	    c = window.innerHeight,
+	    scrollPercent = (s / (d - c)) * 100;
+
+	if (scrollPercent > depthReached) {
+	    depthReached = scrollPercent;
+	}
+
+	if (depthReached > 50 && depthReached < 55) {
+	    console.log("Der Benutzer hat 50% der Seite erreicht");
+	} else if (depthReached > 80 && depthReached < 85) {
+	    console.log("Der Benutzer hat 80% der Seite erreicht");
+	}
+    });
+});