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Strings 5/5 | 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

bookStrings 5/5

Changing Cases of String Variables

In JavaScript, we can convert lower-case string values to upper-case and vice versa. To convert lower-case string to upper-case we use the method toUpperCase() while the method toLowerCase() is for converting string into lower-case. Let’s look at an example.

12
console.log('JavaScript'.toUpperCase()); console.log('JavaScript'.toLowerCase());
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Task

The titles of the books are usually written in upper-case. In the code below, a variable named bookTitle with the value Think and grow rich has been given to you. Your task is to display the value of the above variable in the upper-case.

Summary:

  • In JavaScript, we can declare string variables in three ways, single-quotes, double-quotes, and backticks.
  • We can use different kinds of special characters like \n is a special character used for entering a new line.
  • To get a character at a position we , use: [] or .charAt().
  • The toLowerCase() and toUpperCase() are the methods for converting cases in JavaScript.

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Section 3. Chapter 23
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bookStrings 5/5

Changing Cases of String Variables

In JavaScript, we can convert lower-case string values to upper-case and vice versa. To convert lower-case string to upper-case we use the method toUpperCase() while the method toLowerCase() is for converting string into lower-case. Let’s look at an example.

12
console.log('JavaScript'.toUpperCase()); console.log('JavaScript'.toLowerCase());
copy

Task

The titles of the books are usually written in upper-case. In the code below, a variable named bookTitle with the value Think and grow rich has been given to you. Your task is to display the value of the above variable in the upper-case.

Summary:

  • In JavaScript, we can declare string variables in three ways, single-quotes, double-quotes, and backticks.
  • We can use different kinds of special characters like \n is a special character used for entering a new line.
  • To get a character at a position we , use: [] or .charAt().
  • The toLowerCase() and toUpperCase() are the methods for converting cases in JavaScript.

Switch to desktopSwitch to desktop for real-world practiceContinue from where you are using one of the options below
Everything was clear?

How can we improve it?

Thanks for your feedback!

Section 3. Chapter 23
toggle bottom row

bookStrings 5/5

Changing Cases of String Variables

In JavaScript, we can convert lower-case string values to upper-case and vice versa. To convert lower-case string to upper-case we use the method toUpperCase() while the method toLowerCase() is for converting string into lower-case. Let’s look at an example.

12
console.log('JavaScript'.toUpperCase()); console.log('JavaScript'.toLowerCase());
copy

Task

The titles of the books are usually written in upper-case. In the code below, a variable named bookTitle with the value Think and grow rich has been given to you. Your task is to display the value of the above variable in the upper-case.

Summary:

  • In JavaScript, we can declare string variables in three ways, single-quotes, double-quotes, and backticks.
  • We can use different kinds of special characters like \n is a special character used for entering a new line.
  • To get a character at a position we , use: [] or .charAt().
  • The toLowerCase() and toUpperCase() are the methods for converting cases in JavaScript.

Switch to desktopSwitch to desktop for real-world practiceContinue from where you are using one of the options below
Everything was clear?

How can we improve it?

Thanks for your feedback!

Changing Cases of String Variables

In JavaScript, we can convert lower-case string values to upper-case and vice versa. To convert lower-case string to upper-case we use the method toUpperCase() while the method toLowerCase() is for converting string into lower-case. Let’s look at an example.

12
console.log('JavaScript'.toUpperCase()); console.log('JavaScript'.toLowerCase());
copy

Task

The titles of the books are usually written in upper-case. In the code below, a variable named bookTitle with the value Think and grow rich has been given to you. Your task is to display the value of the above variable in the upper-case.

Summary:

  • In JavaScript, we can declare string variables in three ways, single-quotes, double-quotes, and backticks.
  • We can use different kinds of special characters like \n is a special character used for entering a new line.
  • To get a character at a position we , use: [] or .charAt().
  • The toLowerCase() and toUpperCase() are the methods for converting cases in JavaScript.

Switch to desktopSwitch to desktop for real-world practiceContinue from where you are using one of the options below
Section 3. Chapter 23
Switch to desktopSwitch to desktop for real-world practiceContinue from where you are using one of the options below
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