How to create objects of classes in JavaScript? To access the properties and methods of the class, we need to create an object of the class and then access the properties and methods using the dot(.) operator. Similar to functions, JavaScript provides the "new" operator to create the objec...
Public fields in JavaScript classes are properties that are accessible from outside the class. They are defined directly within the class body and are not dependent on the constructor. Public fields make it simple to define initial properties and values upfront without requiring additional steps in ...
Vue.js 2 supports class-style components. If you are coming from an Angular (2+) background, you are probably familiar with the pattern of writing components as classes using properties and decorators to describe more complex parts of your component. The biggest advantage class-style components ...
Learn how to read and write pdf file in Java using the PDFBox library that allows read, write, append etc. To deal with pdf file in Java, we use pdfbox library.
Composition Approach to Extend Multiple Classes in JavaScript With composition, instead of inheriting properties and methods from multiple classes, you can create an instance of each class, store it as a new class property, and then delegate the methods calls to the corresponding instances. It’s...
Creating Classes in TypeScript In this section, you will run through examples of the syntax used to create classes in TypeScript. While you will cover some of the fundamental aspects of creating classes with TypeScript, the syntax is mostly the same used tocreate classes with JavaScript. Becaus...
The easiest way of changing a CSS class in JavaScript is by using theclassNamemethod. Using this method, you can replace any existing classes already present on the HTML element with some other classes. You can specify all the new classes that you want to add as a string with space separat...
It is used when you have duplicate code, long methods, or large classes in the code. Debugging code saves time because of small functions and proper replacement. With JavaScript refactoring, you can rename functions and set the scope of a variable so that you can call it from within a ...
JavaScript is in-fact more similar than you think to jQuery So what does this tell us? We don’t want to write our own scripts (or know how), we don’t get it if we even tried, we’d rather include a huge framework that we don’t understand to get a job done, it’s not a...
How to read and write a file using javascript? There are two ways to do it: 1. Using JavaScript extensions (runs from JavaScript Editor), or 2. Using a web page and ActiveX objects (Internet Explorer only) In JavaScript Extensions, you can use ...