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Objects are used to store a set of properties, each of which can be thought of as a link between a name (or key) and a value (a collection of key-value pairs). In this guide, we will learn how to get the length of a JavaScript object. Checking the length...
Joel Olawanle
Events usually represent some type of interaction between the user and the app - any time a user clicks on the object, types in the input field, drag or drop some element, and so on. Therefore, each event usually requires some type of reaction from the app. Each time a...
Deployment is the process of moving our code from a source control system to a hosting platform where it gets stored, and can be served as an application to end users. Typically, this is done either in the cloud or on a local server. Prior to the advent of cloud...
A character counter is a handy UI feature that displays the remaining number of characters a user can input in a text field - if a text field is bound to a relatively small input size (such as Twitter's limit on 280 characters per tweet). This feature is commonly used...
An Array in JavaScript is a standardized, built-in object used to store multiple objects under the same name. In simple terms, you can look at the Array object as an array in any other programming language. It is essentially a class that encapsulates an array (an ordered list of values)...
The forEach() method is one of many that can be used to loop through the contents of an array and show each element successively. It has the distinct qualities that set it apart from other techniques of iterating over arrays, meaning it's up to you to select which method to...
Data helps us tell compelling stories, data visualization is the graphical representation of information and data using graphic elements such as charts, graphs, and so on. There are a few libraries out there that can help us produce beautiful outcomes with relatively little work and Chart.js is one of...
Event handling is a very important concept when trying to make an interactive application. Generally speaking, an event is a signifier of an interaction between a user and our application - clicking, typing on a keyboard, and so on. Interactive and reactive applications are, in essence, built around the concept...
Vue.js is a simple web app framework for creating dynamic web interfaces and Single-Page Apps (SPAs). As we create these apps, oftentimes, we want to render something based on a particular criteria - this is the essence of conditional rendering. Conditional rendering refers to the ability to render distinct...
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