How to Avoid Adding Duplicates to an Array in JavaScript?
Learn how to use the Set object to avoid adding duplicate values to an array in JavaScript. Quick and easy!
Learn how to use the Set object to avoid adding duplicate values to an array in JavaScript. Quick and easy!
Use the reduce() function to iterate through an array and return a single value. Pass in a callback function to define how the array should be reduced.
Use the reduce() method to iterate through an array and return a single value. Pass a callback function to reduce() to apply a transformation to each element in the array and return a single value.
Learn how to use MongoDB’s full-text search feature and Mongoose’s text search API to perform full-text searches in MongoDB and JavaScript.
Learn how to use the JavaScript string replace() method to replace text in strings. This tutorial covers the syntax and examples of str_replace in JavaScript.
Learn how to use prototypes, call, and apply in object-oriented JavaScript to create powerful and efficient code. Understand the differences and when to use each.
Use the child_process module in Node.js to execute an exe file using JavaScript. It allows you to spawn new processes and execute system commands.
Use the JavaScript “dns.resolve” method to look up a hostname and get its IP address. No server-side code needed!
Learn how to use the “class” keyword to extend two classes in JavaScript, allowing you to create a new class with the combined properties of both.
Learn how to use the JavaScript querySelector attribute contains selector to find elements with specific text. Examples included.