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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

Function & Classes Naming Convention

Function naming convention

Function's names are formatted in camelCase notation. It’s a best practice to include the verb as a prefix in the function name that tells the purpose of the function.
In JavaScript function is just like a procedure or collection statements of calculating a value or perform a task. We will learn about the functions in detail in the later sections.


              1234567
            
// Descriptive name of function
function getName(firstName, lastName) {
    return `${firstName} ${lastName}`;
}

const myName = getName('Bob','William');
console.log(myName);

Classes naming convention:

Class is declared with a PascalCase. Class is like a template for creating objects. They encapsulate data with code to work on that data. We will study the classes in detail in later sections.


              123456789
            
class WebDeveloper {
	constructor(firstName, lastName) {
		this.firstName = firstName;
		this.lastName = lastName;
	}
}

const robinWieruch = new WebDeveloper('Robin', 'Wieruch');
console.log(robinWieruch);

Note:

Classes are very advanced topics and will be covered later, so no exercises for this topic for now.

Summary:

Naming convention purpose logic in your code. It is the standard in the JS community.
Variables are case-sensitive.
Constants are written in UPPERCASE (capital letters).
Prefixes are added in the booleans for clarity.
Functions names are formatted in camelCase notation.
Class is declared with a PascalCase.

Перейдіть на комп'ютер для реальної практикиПродовжуйте з того місця, де ви зупинились, використовуючи один з наведених нижче варіантів

Все було зрозуміло?

Секція 2. Розділ 11

Function & Classes Naming Convention

Function naming convention


              1234567
            
// Descriptive name of function
function getName(firstName, lastName) {
    return `${firstName} ${lastName}`;
}

const myName = getName('Bob','William');
console.log(myName);

Classes naming convention:

Class is declared with a PascalCase. Class is like a template for creating objects. They encapsulate data with code to work on that data. We will study the classes in detail in later sections.


              123456789
            
class WebDeveloper {
	constructor(firstName, lastName) {
		this.firstName = firstName;
		this.lastName = lastName;
	}
}

const robinWieruch = new WebDeveloper('Robin', 'Wieruch');
console.log(robinWieruch);

Note:

Classes are very advanced topics and will be covered later, so no exercises for this topic for now.

Summary:

Naming convention purpose logic in your code. It is the standard in the JS community.
Variables are case-sensitive.
Constants are written in UPPERCASE (capital letters).
Prefixes are added in the booleans for clarity.
Functions names are formatted in camelCase notation.
Class is declared with a PascalCase.

Все було зрозуміло?

Секція 2. Розділ 11

Function & Classes Naming Convention

Function naming convention


              1234567
            
// Descriptive name of function
function getName(firstName, lastName) {
    return `${firstName} ${lastName}`;
}

const myName = getName('Bob','William');
console.log(myName);

Classes naming convention:

Class is declared with a PascalCase. Class is like a template for creating objects. They encapsulate data with code to work on that data. We will study the classes in detail in later sections.


              123456789
            
class WebDeveloper {
	constructor(firstName, lastName) {
		this.firstName = firstName;
		this.lastName = lastName;
	}
}

const robinWieruch = new WebDeveloper('Robin', 'Wieruch');
console.log(robinWieruch);

Note:

Classes are very advanced topics and will be covered later, so no exercises for this topic for now.

Summary:

Naming convention purpose logic in your code. It is the standard in the JS community.
Variables are case-sensitive.
Constants are written in UPPERCASE (capital letters).
Prefixes are added in the booleans for clarity.
Functions names are formatted in camelCase notation.
Class is declared with a PascalCase.

Все було зрозуміло?

Function naming convention


              1234567
            
// Descriptive name of function
function getName(firstName, lastName) {
    return `${firstName} ${lastName}`;
}

const myName = getName('Bob','William');
console.log(myName);

Classes naming convention:

Class is declared with a PascalCase. Class is like a template for creating objects. They encapsulate data with code to work on that data. We will study the classes in detail in later sections.


              123456789
            
class WebDeveloper {
	constructor(firstName, lastName) {
		this.firstName = firstName;
		this.lastName = lastName;
	}
}

const robinWieruch = new WebDeveloper('Robin', 'Wieruch');
console.log(robinWieruch);

Note:

Classes are very advanced topics and will be covered later, so no exercises for this topic for now.

Summary:

Naming convention purpose logic in your code. It is the standard in the JS community.
Variables are case-sensitive.
Constants are written in UPPERCASE (capital letters).
Prefixes are added in the booleans for clarity.
Functions names are formatted in camelCase notation.
Class is declared with a PascalCase.

Секція 2. Розділ 11