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JavaScript AJAX Concepts

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Questions and Answers

What is the purpose of the function called prompt() ?

To display a message without asking for intriing

To ask for the user's age and display a message

To display a message without asking for the user's name

To ask for the user's name and display a message (correct)

What is the use of the '+' operator in JavaScript?

To add numbers

To divide values

To concatenate strings (correct)

To subtract strings

What are the two ways to add JavaScript to a web page?

Embed JavaScript code in an HTML file and link to a separate JavaScript file (correct)

Link to a separate HTML file and embed JavaScript code in a CSS file

Embed JavaScript code in an HTML file and link to a separate CSS file

Link to a separate CSS file and embed JavaScript code in a JavaScript file

What is the purpose of the

To embed JavaScript code in an HTML file Signup and view all the answers

Where can the

Inside the or tag Signup and view all the answers

What are function parameters used for?

To take inputs and help the function run Signup and view all the answers

What happens when a function is called?

It takes inputs and returns a value when complete Signup and view all the answers

What is the purpose of the 'prompt()' method?

To ask the user for input Signup and view all the answers

What is the purpose of the 'alert()' method?

To display a message on the screen Signup and view all the answers

How many times is the 'greeting' function called in the example?

Twice Signup and view all the answers

What is stored in the variable 'name'?

The user's name entered through the prompt Signup and view all the answers