Chapter 1 Introduction to Javascript Quiz

What would you place in the blank in the following JavaScript code to insert a note for other programmers to read that the interpreter would ignore?

// Need to replace with dynamic content

Which statement is correct?

A markup language called HTML is used to define the content and structure of a web page.

A(n) _____ transforms a set of instructions written in a programming language into machine code, which can be understood by a computer.

Compiler

If all of the major browsers can render a web page, this indicates that the HTML document used to produce it is well formed.

False

Which of the following languages is used for server-side scripting?

Ruby

What would you place in the blank in the following JavaScript code to insert a note for other programmers to read that the interpreter would ignore?

True

Suppose you have initialized a variable in your JavaScript program using this statement: let weight = 130; What expression should you use to modify the value of weight later in the program?

Weight = 115;

You can use the addition operator (+) in several ways in JavaScript. However, you CANNOT use the addition operator to _____.

add the integer 10 and the string "10" to return the integer 20

HTTP is important for the web's client/server system because _____.

it is the protocol used for data exchange between the client and server

A key characteristic that sets scripting languages apart from other programming languages is that _____.

scripting languages are run directly from a program, not compiled