From 7a3d73a6bfc5b2830445668f2d8b9801d9c400cd Mon Sep 17 00:00:00 2001
From: Intel A80486DX2-66 <larry.holst@disroot.org>
Date: Wed, 31 Jan 2024 23:46:48 +0300
Subject: [PATCH] JavaScript: add busy-loop-delay.js

---
 js-programming/busy-loop-delay.js | 14 ++++++++++++++
 1 file changed, 14 insertions(+)
 create mode 100644 js-programming/busy-loop-delay.js

diff --git a/js-programming/busy-loop-delay.js b/js-programming/busy-loop-delay.js
new file mode 100644
index 0000000..df199b5
--- /dev/null
+++ b/js-programming/busy-loop-delay.js
@@ -0,0 +1,14 @@
+/*
+ * busy-loop-delay.js
+ *
+ * Author: Intel A80486DX2-66
+ * License: Creative Commons Zero 1.0 Universal
+ */
+
+let measureEpoch = () => Number(new Date())
+
+function busyLoopDelay(ms) {
+	let currentTime = measureEpoch(), nextTime = currentTime + ms
+	if (nextTime > currentTime)
+		while (measureEpoch() < nextTime);
+}