JavaScript Strings and Using Quotes and Quotes Inside Quotes and Template Strings and Declaration of a String.

 

JavaScript Strings

String in java are group of texts.

Strings are denoted within the quotes. 

Strings are very important in programming languages like JavaScript. This article will help you to understand the basics of strings in JavaScript, explaining what they are and how they function in easy-to-understand terms.

Eg:   

    var name = "jero"; 

Using Quotes

A JavaScript string is zero or more characters written inside quotes.

we can use both single and double quotes. There is no difference between them.

Quotes Inside Quotes

You can use quotes inside a string, as long as they don't match the quotes surrounding the string

Eg :

let answer1 = "It's alright";
let answer2 = "He is called 'Johnny'";
let answer3 = 'He is called "Johnny"';

We can overcome this by giving the back tick for denoting the string.

This could affect in speech, notations, ect., 

Template Strings

Templates were introduced with ES6 (JavaScript 2016).

Templates are strings enclosed in backticks (`This is a template string`).

Templates allow single and double quotes inside a string

Eg :

let text = `He's often called "Johnny"`;

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Basic Terminologies of JavaScript String

• String: A sequence of characters enclosed in single (‘ ‘) or double (” “) quotes.
• Length: The number of characters in a string, obtained using the length property.
• Index: The position of a character within a string, starting from 0.
• Concatenation: The process of combining two or more strings to create a new one.
• Substring: A portion of a string, obtained by extracting characters between specified indices.

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Declaration of a String

1. Using Single Quotes

Single Quotes can be used to create a string in JavaScript. Simply enclose your text within single quotes to declare a string.

Eg :

 var name = 'jero';

2. Using Double Quotes

Double Quotes can also be used to create a string in JavaScript. Simply enclose your text within double quotes to declare a string.

Eg :

 var name = "jero";

3. String Constructor

You can create a string using the String Constructor. The String Constructor is less common for direct string creation, it provides additional methods for manipulating strings. Generally, using string literals is preferred for simplicity.

Eg:

let str = new String('Create String with String Constructor');

console.log(str);

4. Using Template Literals (String Interpolation)

You can create strings using Template Literals. Template literals allow you to embed expressions within backticks (`) for dynamic string creation, making it more readable and versatile.

Eg :

let str = 'Template Litral String';

let newStr = `String created using ${str}`;

console.log(newStr);

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5. Multiline Strings (ES6 and later)

You can create a multiline string using backticks (“) with template literals. The backticks allows you to span the string across multiple lines, preserving the line breaks within the string.

Eg :

let str = `

    This is a

    multiline

    string`;

console.log(str);

JavaScript Strings – FAQs

1. What is a string in JavaScript?

A string is a sequence of characters used to represent text. Strings are one of the fundamental data types in JavaScript and are enclosed in single quotes (‘), double quotes (“), or backticks (`).

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2. How do you create a string?

You can create a string by enclosing characters in single quotes, double quotes, or backticks.

Examples:

• ‘Hello’
• “World”
• `Hello World`

3. What are template literals?

Template literals are strings enclosed in backticks (`) and allow for embedded expressions using ${expression}. They can span multiple lines and include interpolated variables and expressions.

Example: `Hello, ${name}!`

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