Javascript

JavaScript Intro

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JavaScript Basic

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JavaScript ES6

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JavaScript Array Methods and Properties

JavaScript String Methods and Properties

JavaScript Number Methods and Properties

JavaScript Math Properties and Methods

JavaScript Date Methods and Properties

JavaScript Global Methods and Properties

JavaScript RegExp Properties and Methods

JavaScript Class Methods and Keywords

JavaScript Errors, JSON and Booleans

JavaScript Statements

JavaScript Window History Object Properties and Methods

JavaScript Window Location Object Properties and Methods

JavaScript Window Screen Object Properties

JavaScript Window Navigator Object Properties and Methods

JavaScript Window Object Properties and Methods

JavaScript Console Object Methods

JavaScript Geolocation and Storage APIs

JavaScript CSSStyleDeclaration Object Methods and Properties

HTML DOM Documents Object Properties and Methods

DOM HTMLCollection Properties and Methods

HTML DOM Attributes Properties and Methods

HTML DOM Elements Properties and Methods

HTML DOM Style Object Properties

HTML DOM AnimationEvent Properties and Methods

HTML DOM ClipboardEvent Properties and Methods

HTML DOM DragEvent Properties and Methods

HTML DOM FocusEvent Properties and Methods

HTML DOM HashChangeEvent Properties and Methods

HTML DOM InputEvent Properties and Methods

HTML DOM KeyboardEvent Properties and Methods

HTML DOM MouseEvent Properties and Methods

HTML DOM PageTransitionEvent Properties and Methods

HTML DOM ProgressEvent Properties and Methods

HTML DOM StorageEvent Properties and Methods

HTML DOM TransitionEvent Properties and Methods

HTML DOM WheelEvent Properties and Methods

HTML DOM UiEvent Properties and Methods

HTML DOM TouchEvent Properties and Methods

The Event Object Properties and Methods

JavaScript const

JavaScript const

 

 

As we know, variables are containers for storing information. The const statement is used for declaring a variable. Creating a variable is similar to declaring a variable. One important thing is that the const variable must be assigned when it is declared. We mostly use const to declare new Array, new Object, new RegExp, and new Function.

 

Syntax:-

 

Its syntax is:- const name = value;

 

Further Explanation:-

 

Parameter Description
name

Required. The name of the variable and must follow rules. These rules are:-

  1. Names are case-sensitive
  2. Reserved JavaScript words cannot be used as names
  3. Must begin with a letter, or $, or _
value Required. A value to be assigned to the variable.

Code Explanation

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