Notice: This page requires JavaScript to function properly.
Please enable JavaScript in your browser settings or update your browser.
Symbols 2/3 | Data Types and Variables
Introduction to JavaScript (staging)
course content

Course Content

Introduction to JavaScript (staging)

Introduction to JavaScript (staging)

1. Introduction
2. JavaScript syntax
3. Data Types and Variables

Symbols 2/3

<code class="go3679463865">Symbol()</code> Function Description:

We can provide a description to the Symbol() function as an optional argument. This description will make our symbols more clear.

The following example creates two symbols: firstName and lastName with values Michael and Clarke respectively:

1234
let firstName = Symbol('Michael'); console.log(firstName.toString()); let lastName = Symbol('Clarke'); console.log(lastName.toString());
copy

Task

Create a symbol with the value key and store it in the variable password. Output the result.

Task

Create a symbol with the value key and store it in the variable password. Output the result.

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

Everything was clear?

Section 3. Chapter 28
toggle bottom row

Symbols 2/3

<code class="go3679463865">Symbol()</code> Function Description:

We can provide a description to the Symbol() function as an optional argument. This description will make our symbols more clear.

The following example creates two symbols: firstName and lastName with values Michael and Clarke respectively:

1234
let firstName = Symbol('Michael'); console.log(firstName.toString()); let lastName = Symbol('Clarke'); console.log(lastName.toString());
copy

Task

Create a symbol with the value key and store it in the variable password. Output the result.

Task

Create a symbol with the value key and store it in the variable password. Output the result.

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

Everything was clear?

Section 3. Chapter 28
toggle bottom row

Symbols 2/3

<code class="go3679463865">Symbol()</code> Function Description:

We can provide a description to the Symbol() function as an optional argument. This description will make our symbols more clear.

The following example creates two symbols: firstName and lastName with values Michael and Clarke respectively:

1234
let firstName = Symbol('Michael'); console.log(firstName.toString()); let lastName = Symbol('Clarke'); console.log(lastName.toString());
copy

Task

Create a symbol with the value key and store it in the variable password. Output the result.

Task

Create a symbol with the value key and store it in the variable password. Output the result.

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

Everything was clear?

<code class="go3679463865">Symbol()</code> Function Description:

We can provide a description to the Symbol() function as an optional argument. This description will make our symbols more clear.

The following example creates two symbols: firstName and lastName with values Michael and Clarke respectively:

1234
let firstName = Symbol('Michael'); console.log(firstName.toString()); let lastName = Symbol('Clarke'); console.log(lastName.toString());
copy

Task

Create a symbol with the value key and store it in the variable password. Output the result.

Switch to desktop for real-world practiceContinue from where you are using one of the options below
Section 3. Chapter 28
Switch to desktop for real-world practiceContinue from where you are using one of the options below
We're sorry to hear that something went wrong. What happened?
some-alt