Course Content

Introduction to JavaScript (staging)

1. Introduction

Writing our first code Output Using Variables 1/2 Output Using Variables 2/2

2. JavaScript syntax

JavaScript Syntax JavaScript Variables JavaScript Operators Identifiers in JavaScript Naming Identifiers Reserved keywords in JavaScript Naming Convention in JavaScript. Case Styles Variables Naming Convention Boolean Naming Convention Constant Naming Convention Function & Classes Naming Convention Multiline Strings Multiline Strings. Concatenating Commenting in JavaScript Commenting in JavaScript. Multi-line Comments

Constant 3/3

<code class="go3679463865">const</code> Does Not Allow Hoisting

As discussed in the previous chapter, let does not allow hoisting i.e. we cannot use a variable before the declaration. Just like let we can not use hoisting with the const.it is only supported with var.


              123
            
MYPLANET = 'earth';
console.log(MYPLANET);
const MYPLANET;

Task

Rearrange the following code to display the value of SALARY on the console.

Task

Rearrange the following code to display the value of SALARY on the console.

Summary:

We can neither change the values of the const variables through reassignment nor we can redeclare them.
Value should be assigned to const variables at the time of declaration.

Switch to desktop for real-world practiceContinue from where you are using one of the options below

Everything was clear?

Section 3. Chapter 11

Constant 3/3

<code class="go3679463865">const</code> Does Not Allow Hoisting


              123
            
MYPLANET = 'earth';
console.log(MYPLANET);
const MYPLANET;

Task

Rearrange the following code to display the value of SALARY on the console.

Task

Rearrange the following code to display the value of SALARY on the console.

Summary:

We can neither change the values of the const variables through reassignment nor we can redeclare them.
Value should be assigned to const variables at the time of declaration.

Switch to desktop for real-world practiceContinue from where you are using one of the options below

Everything was clear?

Section 3. Chapter 11

Constant 3/3

<code class="go3679463865">const</code> Does Not Allow Hoisting


              123
            
MYPLANET = 'earth';
console.log(MYPLANET);
const MYPLANET;

Task

Rearrange the following code to display the value of SALARY on the console.

Task

Rearrange the following code to display the value of SALARY on the console.

Summary:

We can neither change the values of the const variables through reassignment nor we can redeclare them.
Value should be assigned to const variables at the time of declaration.

Switch to desktop for real-world practiceContinue from where you are using one of the options below

Everything was clear?

<code class="go3679463865">const</code> Does Not Allow Hoisting


              123
            
MYPLANET = 'earth';
console.log(MYPLANET);
const MYPLANET;

Task

Rearrange the following code to display the value of SALARY on the console.

Summary:

We can neither change the values of the const variables through reassignment nor we can redeclare them.
Value should be assigned to const variables at the time of declaration.

Switch to desktop for real-world practiceContinue from where you are using one of the options below

Section 3. Chapter 11

Switch to desktop for real-world practiceContinue from where you are using one of the options below