debouncing, string methods

Author: mzb2599

Javascript_Study_Month/week2/stringMethods4.js

@@ -15,7 +15,7 @@ console.log(`Substr of string ${s8} from 0 to 15 is `+s8.substr(5, 15)); // subs
 // // The substring() method does not change the original string.
 let s9 = "substring() method returns the part of the string between the two specified indexes";
 console.log(`Substring of string ${s9} from 0 to 15 is `+s9.substring(5, 15)); // substring() method
-
+5
 // 21. toLowerCase
 // // The toLowerCase() method returns the calling string value converted to lower case.
 // // The toLowerCase() method does not change the original string.

debouncing.js

@@ -0,0 +1,25 @@
+// A simple debouncing example in JavaScript
+// Debouncing ensures that a function is not called too frequently.
+
+function debounce(func, wait) {
+ let timeout;
+ return function(...args) {
+ const later = () => {
+ clearTimeout(timeout);
+ func(...args);
+ }; 
+ clearTimeout(timeout);
+ timeout = setTimeout(later, wait);
+ };
+}
+// Example usage:
+const logMessage = () => {
+ console.log('Function executed!');
+};
+const debouncedLogMessage = debounce(logMessage, 2000);
+
+// Simulate rapid calls to the debounced function 
+debouncedLogMessage();
+debouncedLogMessage();
+debouncedLogMessage();
+// Only the last call will execute after 2 seconds of inactivity