Technology Guides and Tutorials

Category: javascript

  • Optimizing Javascript Code for Performance

    Optimizing Javascript Code for Performance

    Introduction Javascript is a powerful language that can be used to create dynamic and interactive web applications. However, it is important to optimize your code for performance in order to ensure that your application runs smoothly and efficiently. In this article, we will discuss some tips and techniques for optimizing your Javascript code. Minimizing Code…

  • How to Get the Size of the Screen, Current Web Page and Browser Window in JavaScript

    How to Get the Size of the Screen, Current Web Page and Browser Window in JavaScript

    Introduction Knowing the size of the screen, current web page and browser window can be useful for many web development tasks. In this article, we will look at how to get the size of the screen, current web page and browser window in JavaScript. Getting the Size of the Screen The object in JavaScript contains…

  • How to Set a Default Parameter Value for a JavaScript Function

    How to Set a Default Parameter Value for a JavaScript Function

    Introduction Default parameter values are a great way to make your JavaScript functions more flexible and easier to use. By setting a default value for a parameter, you can make sure that the function will always have a value to work with, even if the user doesn’t provide one. In this article, we’ll look at…

  • How to Scroll to an Element without jQuery

    How to Scroll to an Element without jQuery

    Introduction jQuery is a popular JavaScript library that is used to simplify HTML DOM tree traversal and manipulation, as well as event handling, CSS animation, and Ajax. It is widely used in web development, but it is not always the best choice. In some cases, it is better to use native JavaScript to achieve the…

  • How to Check for Null, Undefined, or Blank Variables in JavaScript

    How to Check for Null, Undefined, or Blank Variables in JavaScript

    Introduction JavaScript is a powerful scripting language used to create dynamic webpages and applications. It is important to understand how to check for null, undefined, or blank variables in JavaScript in order to ensure that your code is running correctly. In this article, we will discuss how to check for null, undefined, or blank variables…

  • Creating Sleep Function in Modern JavaScript

    Creating Sleep Function in Modern JavaScript

    Introduction JavaScript is a powerful language that can be used to create a variety of applications. One of the most useful features of JavaScript is the ability to create a sleep function. A sleep function allows a program to pause for a specified amount of time before continuing. This can be useful for creating animations,…

  • Understanding JavaScript Closures Inside Loops

    Understanding JavaScript Closures Inside Loops

    What is a JavaScript Closure? A JavaScript closure is an inner function that has access to the outer (enclosing) function’s variables—scope chain. The closure has three scope chains: it has access to its own scope (variables defined between its curly brackets), it has access to the outer function’s variables, and it has access to the…

  • JavaScript ES6 (ECMAScript 6) Most Used Tricks and Tips

    JavaScript ES6 (ECMAScript 6) Most Used Tricks and Tips

    Introduction to JavaScript ES6 JavaScript ES6 (ECMAScript 6) is the version of the JavaScript language. It was released in 2015 and is now widely used in web development. ES6 brings many new features and improvements to the language, making it easier to write and maintain code. In this article, we will look at some of…

  • Cloning a JavaScript Object: A Step-by-Step Guide

    Cloning a JavaScript Object: A Step-by-Step Guide

    What is Cloning a JavaScript Object? Cloning a JavaScript object is the process of creating a copy of an existing object. This is useful when you want to make changes to an object without affecting the original object. Cloning an object is also known as deep copying, as it creates a new object with all…

  • Testing for an Empty JavaScript Object

    Testing for an Empty JavaScript Object

    What is an Empty JavaScript Object? An empty JavaScript object is an object that has no properties or methods. It is an empty container that can be used to store data. It is also known as an empty object literal. How to Test for an Empty JavaScript Object There are several ways to test for…