Always use the same coding conventions for all your JavaScript projects. Coding conventions are style guidelines for programming. They typically cover: Naming and declaration rules for variables and functions. Rules for the use of white space, indentation, and comments. Programming practices
Modules JavaScript modules allow you to break up your code into separate files. This makes it easier to maintain the code-base. JavaScript modules rely on the import and export statements. Export You can export a function or variable from any file. Let us create
When you write complex programs in JavaScript, you may sometimes encounter errors. These errors are reported differently by different browsers. What is debugging of a program? Definition: Debugging is the process of detecting and removing of existing and potential errors (also called
JavaScript comments can be used to explain JavaScript code, and to make it more readable. JavaScript comments can also be used to prevent execution, when testing alternative code. Single Line Comments Single line comments start with //. Any text between // and the
It is one of the most important feature of JavaScript that converts data of one type to another type. It is automatically performed when the data type of variable is changed or performing operations on values of different type. For
JavaScript Classes are templates for JavaScript Objects. Use the keyword class to create a class. Always add a method named constructor():Syntax Example The example above creates a class named “Car”. The class has two initial properties: “name” and “year“.A JavaScript
A loops causes a specific block of statements to be repeated a specific number of time as long as some condition remains true. While loop Do-while loop For loop For IN JavaScript supports all the necessary loops to ease down
The if statement executes block if a condition is true. The following shows the syntax of the if statement The condition can be a value or an expression. Typically, the condition evaluates to a Boolean value, which is true or
The if statement executes a block if a condition is true. When the condition is false, it does nothing. But if you want to execute a statement if the condition is false, you can use an if…else statement. Flow Chart
An object is a collection of related data and/or functionality (which usually consists of several variables and functions — which are called properties and methods when they are inside objects.) Let’s work through an example to understand what they look
