JavaScript Tutorials
JavaScript is a prototype-oriented, not an object-oriented programming language. So JavaScript doesn’t have an abstract class concept. If you would like a class that cannot… Read More »JavaScript abstract class | Basics
To declare a JavaScript static function inside a class, simply prefix a function declaration with the static keyword inside the class declaration. The static function… Read More »JavaScript static function inside class | Example code
JavaScript static variable in a function is particular to that function. That is, you can only access the variable in that function. The static variables… Read More »JavaScript static variable in function | Example code
Function scope and Block scope concepts are used with variable acceptability and availability. Function Scope variable is declared inside a function, it is only accessible… Read More »Function scope and Block scope in JavaScript | Basics
JavaScript Immutable is a type of variable that can’t be changed. In JavaScript, primitive types are immutable (or unchangeable), and the reference types are mutable… Read More »JavaScript immutable | Basics
JavaScript string Variables in JavaScript are named containers that store a text value. For a variable to be a string type, the value assigned should… Read More »JavaScript string variable | Basics
JavaScript Lexical scope is the ability of a function scope to access variables from the parent scope. That means variables defined outside a function can… Read More »Lexical scope in JavaScript | Basics
JavaScript closure gives you access to an outer function’s scope from an inner function. Closures are frequently used in JavaScript for object data privacy, in… Read More »JavaScript closures | Basic code
The JavaScript static keyword defines a static method or property for a class, or a class static initialization block. The static methods and properties can… Read More »JavaScript static keyword | Basic code
Use the extends keyword or spread syntax to extend the object in JavaScript. Do extend the classes to create a child of another class. JavaScript… Read More »JavaScript extend object | Example code