Archive for the ‘JavaScript’ Category

JavaScript Frameworks — foreword

So far, we have described most of the key aspects and features of JavaScript including object-oriented programming, DOM, AJAX. There were various practical examples. It’s time for another extremely important step: JavaScript Frameworks. And here comes the real fun (and a considerable saving of time). JavaScript Frameworks We briefly present the solutions well known by […]

JavaScript file

Forms in JavaScript

So far, we have described a number of different topics, and now it’s time for an article about forms in JavaScript. Forms, especially in combination with CSS and JavaScript, are providing a strong foundation for development of UI elements to interact with the user. Forms in JavaScript Handling forms in JavaScript from scratch. The form […]

Basics of AJAX

Welcome to the next article where we will discuss the basics of this, what changed JavaScript for ever. Basics of AJAX The AJAX (Asynchronous JavaScript and XML) — is a technology of web application development, in which the user can interact with the server without reloading the entire document. Operations are done asynchronously. AJAX technology […]

Cookies in JavaScript

In this article we will talk about working with cookies in JavaScript. And no, it’s not about eating. Working with cookies in JavaScript Cookies — small information sent by a web server and stored on the user side (typically on the hard disk). Cookies are most commonly used for counters, probes, online stores, sites that […]

Math, numbers, calculations. The Math object in JavaScript.

Well, other JavaScript objects we have discussed already, or we will discuss in next articles. Today we will focus on numbers and the Number object in JavaScript, take a look closer at calculations and Math object in JavaScript. JavaScript Number Object It is a primary object to handle numbers, and has properties for numerical constants: […]

OOP in JavaScript part 2. Summary.

Part 2. of the OOP in JavaScript. Today we will show some more advanced examples. OOP in JavaScript — techniques For a good start, let’s take a closer look at arrays. Arrays as objects A simple array, e.g.: can be written in a concise form: And certainly we can operate on arrays in the same […]

Object-oriented programming in JavaScript. OOP part 1.

Welcome to the first part of the articles about object-oriented programming (OOP) in JavaScript. It is actually necessary to explore of the language secrets. Object-oriented programming in JavaScript JavaScript is an object-oriented language, although there is a lack of certain elements typical for object-oriented languages, at least in the current implementations of JavaScript. But let’s […]

Regular expressions in JavaScript

Today we will discuss one of the slightly more difficult topics, namely regular expressions. Of course, really difficult are the most powerful and advanced expressions. However, possibilities offered by this tool are really huge. Regular expressions in JavaScript Regular Expressions are a way to save a pattern, which can be compared with strings, to check […]

Date and time in JavaScript

The time flies, and we will write about date and time in JavaScript. Today less theory, more practical examples. Date and time in JavaScript. The Date object. To handle dates in JavaScript there is an object called Date. Basic example: The Date object — methods Methods of the Date object: Tip: use instanceof With this […]

Mastering bitwise operators in JavaScript. Like a boss!

Bitwise operators in JavaScript Today we will try to present bitwise operators in JavaScript language, in an accessible form. The overall concept of the bitwise operators’ work in JavaScript is as follows: — arguments are converted to 32-bit integer and expressed by a sequence of bits, — each bit in the first argument is matched […]