AWS, JavaScript, React - Deploy Web Apps on the Cloud - JavaScript String Length

The video tutorial explains how to use the built-in length property in JavaScript. It demonstrates this with an example script where a variable, TXT, contains all 26 letters of the alphabet. The tutorial shows how to output the length of this string by setting the inner HTML property to TXT.length. Upon saving and previewing the file in a web browser, the output displays the length of the variable, which is 26.

What is the purpose of the 'length' property in JavaScript?

• To measure the width of a webpage

• To find the size of a file

• To determine the number of characters in a string

• To calculate the number of elements in an array

What does the variable TXT contain in the example script?

• A series of HTML tags

• A collection of special characters

• A list of numbers

• All 26 letters of the alphabet

How can you display the length of a string in a web page?

• By writing it in a comment

• By creating an alert box

• By setting the inner HTML property to the string's length

• By using console.log()

What is the output when the length of the variable TXT is displayed?

• The entire alphabet

• A blank space

• The number 26

• An error message

Which method is used to preview the changes made in the script?

• Printing the script

• Opening the file in a text editor

• Running the script in a terminal

• Previewing it in a web browser