28 results for: conditional
How to check if a value is a number in JavaScript
In this short tutorial we are going to look at the various methods that exist to find out if a value is a number in JavaScript. 1. Using the isNaN() function One of the most commonly used methods is to use the isNaN() function, which is a global function assigned to the…
Category : Javascript 22-07-2021 by Janeth Kent
What are React Hooks and what problems they solve
Working with React, - and before the release of Hooks in version 16.8 - there was always the possibility to create components in three different ways based on a number of suspects and needs: 1. Elementary components - These components are the simplest ones, they are characterized by being mere variables that…
Category : Javascript 13-05-2021 by Janeth Kent
Top JavaScript libraries and frameworks part 1
JavaScript libraries and frameworks make it easy to develop websites and applications with a wide variety of features and functionality, all with dynamic, flexible and engaging features. According to a 2020 StackOverflow survey, JavaScript remains the most widely used programming language (for the eighth year), with 67.7% of respondents using it. Its…
Category : Javascript 06-05-2021 by Janeth Kent
Starting with Bootstrap-Vue step by step
Today we will show you how to use BootstrapVue, describe the installation process and show basic functionality. The project’s based on the world's most popular CSS framework - Bootstrap, for building responsive mobile-first landing page and combines it with Vue.js. Bootstrap-Vue does not yet support Vue 3. So if you want to…
Category : Javascript 13-04-2021 by
Validating HTML forms using BULMA and vanilla JavaScript
Today we are going to write about contact forms and how to validate them using JavaScript. The contact form seems to be one of the top features of every basic home page. It is a great way to encourage your visitors to make contact with you, by adding a form which…
Category : Javascript 31-12-2020 by
A Java approach: While loop
Hello everyone and welcome back! After having made a short, but full-bodied, introduction about cycles, today we are finally going to see the first implementations that use what we have called preconditional cycle. In Java, as in many other programming languages, this type of cycle is translated with the term while, which…
Category : Java 25-10-2020 by Alessio Mungelli
A Java approach: The Cycles - Introduction
Hello everyone and welcome back! Until now, we have been talking about variables and selection structures, going to consider some of the fundamental aspects of these two concepts. Theoretically, to write any kind of program, the notions seen so far might be sufficient. However, a problem arises. How can we…
Category : Java 23-10-2020 by Alessio Mungelli
A Java Approach: Selection Structures - Use Cases
Hello everyone and welcome back! Up to now we have been concerned to make as complete an overview as possible of the fundamental concepts we need to approach the use of conditional structures. We have therefore introduced the concept of conditional structures, outlining the various situations that could arise. We…
Category : Java 20-10-2020 by Alessio Mungelli
A Java approach: conditional structures
Hello everyone and welcome back! The previous times we have introduced the concept of variable, trying to define some basic concepts about it. However, some situations suggest that the concept of variable alone is not enough to solve all the possible situations that may arise in front of us. A very…
Category : Java 03-04-2023 by Alessio Mungelli
First steps into JavaScript – a practical guide 3
After we learned the basic ofaccessing DOM elementsandhow to modify them,we are ready for the more exciting parts – handling DOM events. This allows us to make our web way more interactive, and finally we can put our JS knowledge into practice. User input such as keyboard actions or mouse clicks…
Category : Javascript 07-05-2020 by Iveta Karailievova
Tips to Maximize Your ROI with Google AdWords
The marketing method you use is not important. What you want is the best possible ROI. The money spent should come back to you tenfold. Well, that might be a bit of an exaggeration, but you get the idea. If you were to try pay per click and Google AdWords in…
Category : Seo & sem 22-01-2020 by Silvia Mazzetta
How to conditionally build an object in JavaScript with ES6
The arrival of ES6 brought us, among many other news, the spread syntax, which, as you will already know, allows us to save a few lines of code and improve legibility. Specifically, this syntax allows us to destructure the parameters that we pass to a function so that our code goes…
Category : Javascript 09-08-2019 by Janeth Kent
The best open source javascript template engines
Today we want to publish a resource that can generate an instant boost in your workflow, here we have a list of the Best JavaScript template engines to choose from, and each of them could make your development faster and easier. When you build a JavaScript application, you'll almost certainly use…
Category : Javascript 07-08-2019 by Janeth Kent
7 Useful tricks for writing more concise and performant JavaScript
When we started writing about JavaScript, we created a list of every time-saving trick we discovered in the code of other people, on websites, and anywhere other than the tutorials we used. Since then, we've been contributing to this list and now we are going to share 11 triks that strike us as particularly smart or helpful.…
Category : Javascript 04-06-2019 by Janeth Kent
CSS in JavaScript (CSS-in-JS) Vs CSS in CSS
What actually is CSS-in-JS? You've certainly heard or read words like CSS-in-JS, Styled Components, Radium, Aphrodite and you're and you're stuck in limbo there, "why is it? I'm completely happy about CSS - in - CSS!" We are here to explain these new concepts and clarify them. That said -feel free to use…
Category : Javascript 26-02-2019 by Janeth Kent
Vue.js: a quick start guide for beginners. Part 3
Welcome here again! Last time we didn't listen to our very first user events and and methods to react to these events. Now we are going to explain directives and conditional rendering. if-else Regardless of the framework, one of the most important tools under any programmer's belt is conditional rendering. Depending on…
Category : Javascript 26-06-2023 by Janeth Kent
Best Javascript front-end hacking cheatsheets
JavaScript has a extremely high potential to build cutting-edge web applications. But it's really hard to memorize it by heart. The JavaScript cheat sheets therefore act perfectly as a reminder and a comprehensive reference for developers. All popular and special purpose cheat sheets have been discussed above. You now have…
Category : Javascript 06-05-2020 by Janeth Kent
JavaScript Basis: Syntax & Structure
Programming languages are defined by rules. The syntax is what we follow when we write our code, which forms the logical structure of our programs. Let's dive right into the basic components of JavaScript. We will look at values, unicode, semi-colon, indentation, white spacing, commentary, case sensitivity, keywords..ect. By taking the time…
Category : Javascript 07-02-2019 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
10 PHP code snippets to work with dates
Here we have some set of Useful PHP Snippets, which are useful for PHP Developers. In this tutorial we'll show you the 10 PHP date snippets you can use on your webpages by just cutting and pasting! Get current time, formatted Super basic function, takes no parameters and returns the current date.…
Category : Php 02-08-2018 by Janeth Kent
The Bible of Responsive Web Design
You've decided it's time for a new website, and you know that making it responsive will ensure that all users have a great experience, regardless of what device they are using. Responsive web design, or RWD for short, is here to stay. It's rapidly maturing but not without some serious pitfalls for…
Category : Web design 23-05-2019 by Janeth Kent
How to detect Mobile & Retina Devices: 8 Techniques
In order to serve mobile-optimized content, you need to detect which visitors are coming from mobile devices and which aren’t. Here we have list 8 method to detect mobile browsers so you can chose the best suitable to your needs, and give your user the best experience possible. #1 PHP User Agent We…
Category : Javascript 02-07-2013 by Janeth Kent
Mastering JavaScript: Top Resources to Propel Your Learning Journey
Learning JavaScript is a valuable decision if you're interested in coding and pursuing a career in the tech industry. JavaScript holds the top spot as the most popular programming language on GitHub and is widely used by professional developers, as indicated by the Stack Overflow Developer Survey. It's worth noting that…
Category : Javascript 23-06-2023 by Janeth Kent
How to Create a Responsive Centered Image in CSS3
Image gallery lightboxes have been around for many years. They generally provide a great user experience until you attempt to load an image which is larger than the viewport dimensions. Developers often forget this important check and you’re presented with a centered image which is difficult to remove. The problem…
Category : Css 24-04-2013 by Janeth Kent
Modular CSS with Media Queries and Sass
Most developers nowadays are recognizing that if you’re developing large applications that have different views and states, it is best to take a modular or object-oriented approach to your CSS development. When you throw media queries into the mix, however, the you can lose some of the benefits of modularity…
Category : Web design 23-08-2019 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
Learning Loops in Php: FOR
Loops come in several different flavors in PHP: for, while, do-while, and foreach. We will introduce you to each of them in 3 lessons and we will show you how they can making repetitive tasks straightforward and easy to maintain. Lesson #1: The for Loop The syntax of a for loop is: for (expr1; expr2; expr3) statement The first expression (expr1) is evaluated…
Category : Programming 11-04-2013 by Janeth Kent
PHP-MongoDB Beginners Guide
Over the last year or so, there's been a small revolution taking place in the database world, with the advent of "schema-less" database systems like Apache CouchDB. These databases follow a different approach to data storage as compared to the traditional relational model, and they're quickly becoming popular with Web…
Category : Databases 11-04-2013 by Janeth Kent
