add 2627

Author: rustykitty

2627-debounce.js

@@ -0,0 +1,31 @@
+/*
+2627. Debounce
+
+Submitted: December 8, 2024
+
+Runtime: 58 ms (beats 62.37%)
+Memory: 49.86 MB (beats 8.77%)
+*/
+
+/**
+ * @param {Function} fn
+ * @param {number} t milliseconds
+ * @return {Function}
+ */
+function debounce(fn, t) {
+    var last_call = -2000;
+    var timeoutId = null;
+    return (...args) => {
+        clearTimeout(timeoutId);
+        if (last_call < Date.now()) {
+            timeoutId = setTimeout(f = () => { fn(...args) }, t);
+        }
+    }
+};
+
+/**
+ * const log = debounce(console.log, 100);
+ * log('Hello'); // cancelled
+ * log('Hello'); // cancelled
+ * log('Hello'); // Logged at t=100ms
+ */