diff --git a/debounce.js b/debounce.js
new file mode 100644
index 0000000..1255054
--- /dev/null
+++ b/debounce.js
@@ -0,0 +1,22 @@
+/**
+@license
+Copyright (c) 2022 trading_peter
+This program is available under Apache License Version 2.0
+*/
+
+export const debounce = (cb, delay, immediate) => {
+  let timeout;
+
+  return (...a) => {
+    const callNow = immediate && !timeout;
+	
+    clearTimeout(timeout);
+
+    timeout = setTimeout(() => {
+      timeout = null;
+      if (!immediate) cb.apply(this, a);
+    }, delay);
+	
+    if (callNow) cb.apply(this, a);
+  };
+};
diff --git a/package.json b/package.json
index 289977f..f121e5f 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@tp/helpers",
-  "version": "1.0.1",
+  "version": "1.0.2",
   "description": "",
   "main": "closest.js",
   "scripts": {