13 results for: xhr
Callbacks in JavaScript
Callback functions are the same old JavaScript functions. They have no special syntax, as they are simply functions that are passed as an argument to another function. The function that receives the callback as an argument is called a higher-order function. Any function can be used as a callback, since it is…
Category : Javascript 22-05-2023 by Janeth Kent
Top Javascript Libraries and Frameworks Part 2
What are JavaScript frameworks? JavaScript frameworks are application frameworks that allow developers to manipulate code to meet their particular needs. Web application development is like building a house. You have the option of creating everything from scratch with construction materials. But it will take a long time and can incur high costs. But…
Category : Javascript 06-05-2021 by Janeth Kent
A FULFILLED PROMISE - Using the FETCH API to make AJAX calls
In this article we talked about what AJAX calls are and how to use them in a traditional way, by using the XMLHttpRequest (XHR) object. In short, thanks to AJAX calls a web page can be partially updated without having to reload the whole content. This leads to better loading…
Category : Javascript 26-12-2020 by Iveta Karailievova
Making AJAX requests to a REST API using vanilla JavaScript and XHR
Imagine you just build your first static web page and you would like to add some functionality to make it more attractive and generally more usable. Perhaps you would like to entertain your web page visitor with randomly generated cat facts, jokes, or, (preferably not randomly generated) weather forecasts or…
Category : Javascript 25-11-2020 by Iveta Karailievova
Cross-Origin Resource Sharing (CORS) and examples of XSS and CSRF
Cross-Origin Resource Sharing (CORS) enables web clients to make HTTP requests to servers hosted on different origins. CORS is a unique web technology in that it has both a server-side and a client-side component. The server-side component configures which types of cross-origin requests are allowed, while the client-side component controls…
Category : Javascript 30-01-2020 by Luigi Nori
How to build a basic PWA with HTML and Javascript
Looking at the web for a basic PWA online training exercise, everything I found was just too confused or required libraries/system/stage or another. If we need to learn another innovation, we would preferably not get derailed with redundant subtleties ... We have indeed composed a basic introductory exercise to draw from different…
Category : Javascript 10-04-2020 by Janeth Kent
JavaScript Manual for Beginners
The JavaScript Manual shows you how to use JavaScript and gives an overview of the language. I GETTING STARTED ABOUT Created by Netscape in 1995 as an extension of HTML for Netscape Navigator 2.0, JavaScript had as its main function the manipulation of HTML documents and form validation. Before winning this name so…
Category : Javascript 04-09-2018 by Janeth Kent
Facebook Prepack, The Next Big Thing In The JavaScript World
In the last days, the social networks were crazy about Prepack. Probably you still haven’t heard about it. It’s reasonable! It has been an open source only a few days ago. Prepack has developed by Facebook and it is under active development. It’s experimental and still in very early stage,…
Category : Javascript 11-05-2017 by Janeth Kent
Fetch API, an amazing replacement of XMLHttpRequest AJAX
When AJAX came to the modern web, it changed the definition of how web works. We all are using ajax for a long time but not with Fetch API. To load a new content in a web page, we do not need a full page reload. Using AJAX, we can…
Category : Programming 19-02-2017 by Janeth Kent
Build a realtime jQuery plugin
Realtime web technologies make it really easy to add live content to previously static web pages. Live content can bring a page alive, retain users and remove the need for them to refresh the page periodically. Realtime updates are generally achieved by connecting to a source of data, subscribing to the…
Category : Javascript 27-08-2013 by Janeth Kent
How to Retrieve Twitter Timeline and Hashtags in PHP
How to Retrieve Twitter Timeline and Hashtags in PHP (Twitter OAuth API 1.1) So, here we offer a guide that explains how to retrieve user timeline and hashtag with Twitter REST API 1.1. Before we start, we need: You need to create an application.https://dev.twitter.com/apps. Now, you need to get your consumer key, consumer secret,…
Category : Programming 12-07-2013 by Janeth Kent
Entrepreneur,startupper,designer or developer? Learning english is essential for your future!
English is widely used in the world. It has often been referred to as a "world language". If you would like to work or travel or have business around the world, you must realize - English is spoken as a first language by about 400 million, as a second language…
Category : Programming 11-07-2013 by Janeth Kent
What’s New in jQuery 2.0
The second branch of the web’s most popular JavaScript library was released on April 18, 2013. jQuery 2.0 is now available for download but don’t rush off and install it just yet — there is one major change… No More Support for IE6/7/8 (or IE9 and IE10 if they’re used in “Compatibility View” mode). I…
Category : Javascript 21-04-2013 by Janeth Kent
