If you are writing a web application, there is every possibility that at some point you will have to work…
A switch statement gives an expression a value to evaluate and several different statements to execute based on the value…
Web browsers generally have consoles, which are interactive command lines where you can print text and test pieces of code.…
Pure Functions A pure function in Javascript is one that given the same input will always return the same output…
In a return statement in Java, we evaluate expressions, and as part of this evaluation, other methods may run in…
Modifiers are keywords that are added to variables, methods and classes to change their meaning. There are two (2) types…
A loop statement allows the programmer to execute a statement or group of statements multiple number of times, based on…
Given the amount of security breaches that go on everyday, there is hardly any security-conscious developer (or any developer for…
Arrays refer to a sequential collection of elements of the same type. It is used to store a collection of…
Throw Throw is a keyword that is used in Java to declare an exception which is similar to the try/catch…
Unlike logical operators which connect two or more expressions, relational operators test and establish some type of relation between two…
Template literals allow for embedded expressions and help to solve the complex concatenation problem. They are enclosed by a back-tick…
“Programs must be written for people to read, and only incidentally for machines to execute.” — Harold Abelson, Structure
Network scanning is the process of identifying, analysing and fixing loopholes and vulnerabilities in a network to prevent a malicious…
The box shadow property in CSS is used to cast shadow on the frame of elements. It has the following…
A function is a group of reusable code that can be called anywhere in your program. Functions eliminate the need…
React Native is an open-source mobile application framework created and developed by Facebook, Inc. It is used to develop native…
Inheritance in programming is the process whereby one class (also called a sub-class) acquires the properties (methods, fields, etc) of…
An exception is a problem that arises during the execution of a program. When an exception occurs, the normal flow…
Arithmetic operators are used in mathematical expressions much the same way they are used in algebra. Here's a list of…
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Arrow functions, also called "fat arrows" were introduced with ES6 as a new syntax for writing Javascript functions. By utilising…
A recursive function is one which defines a problem in terms of itself. A recursive function calls itself directly or…
Object oriented programming is a way of writing code such that different objects (instances) are created from a single object…
Humans can use technologies in either harmful or helpful ways. And while, as a software developer, you are legally not…
Also known as ECMAScript 6, ECMAScript 2015 or Javascript 6, ES6 is a version of Javascript that was introduced in…
A recursive function is one which defines a problem in terms of itself. A recursive function calls itself directly or…
Var Declaration Before the introduction of ES6 in 2015, var was the go-to way to declare variables in Javascript. Example:…