Are JavaScript and Java the same language?

No, they are completely different languages.

Yes, but Java is a newer version of JavaScript.

No, but they are similar in design.

Why is JavaScript considered to save bandwidth and strain on the web server?

Because it runs on the user's processor

Because it is a lightweight language

What is one of the reasons JavaScript is relatively easy to learn?

It has a syntax that is close to English

It is executed on the client side

It can be used to exploit the user's system

What is a disadvantage of JavaScript being executed on client servers?

It can be used to exploit the user's system

It uses too much server bandwidth

It is not compatible with modern web standards

How can you open an HTML file in your favorite browser?

Right-click and choose "Format"

Drag the file into a text editor

Is the type attribute required when using a tag in HTML5?

Yes, but only for inline scripts

Where can scripts be placed in an HTML document?

In the or in the section or in both

Only at the end of the document

Where can you place an external script reference in an HTML document?

Either in the or sections as you like

Can external JavaScript files contain tags?

Yes, but only at the beginning and end of the file

Yes, they can contain tags anywhere in the file

How do you add multiple external script files to one page?

Use multiple tags, each with its own src attribute

Use one tag with multiple src attributes

Use a single tag with comma-separated file names

Use a tag to include all files at once

¿Cuál de las siguientes opciones es una forma conveniente de probar la salida de datos en JavaScript?

document.getElementById("test").innerHTML

What is the purpose of single line comments in JavaScript?

To explain the code and make it more readable

To change the functionality of the code

To create a new JavaScript function

What will happen to the text within a single line comment in JavaScript?

It will be ignored by JavaScript and not executed

It will be displayed on the screen

It will be executed as JavaScript code

It will change the color of the text in the code editor

What does the following line of code do? "var i = 10; // Declare i, give it the value of 10"

It declares a variable i and assigns it the value of 10, with a comment explaining the action

It causes an error because comments cannot be on the same line as code

It displays the number 10 on the screen

It declares a variable i but does not assign any value

What is the purpose of multi-line comments in JavaScript?

To explain things within your code without being executed

To display messages to the user

To create alerts in the browser

What is the result of using // in front of a line of code in JavaScript?

The code is turned into a comment

The code is displayed as text on the webpage

The code creates a pop-up alert

What should you make sure to do to help explain your work on the webpage?

Provide your contact information

Which of the following is NOT a rule for constructing names for variables in JavaScript?

Names must begin with a number.

Names can contain letters, digits, underscores, and dollar signs.

Can a JavaScript variable name begin with an underscore?

Only if it is a global variable

Can a value be assigned to a JavaScript variable at the time of its declaration?

Yes, a value can be assigned at the time of declaration.

No, it must be declared first without a value.

Yes, but only if the variable is a string.

Yes, but only if the variable is a number.

What can JavaScript variables hold?

Neither numbers nor text values

What is a JavaScript string?

Zero or more characters written inside quotes

A single character inside quotes

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Web Development Quiz

75 questions

Which language is used to define the content of web pages?

What is the purpose of CSS in web development?

What will you learn about in this unit focused on JavaScript?

Which of the following is NOT a topic you will learn in this JavaScript unit?

What is the purpose of the JavaScript programming language?

Which of the following is NOT a function of JavaScript?

What is JavaScript similar to in terms of working well with it?

Are JavaScript and Java the same language?

Who invented JavaScript and in what year?

Where is JavaScript executed?

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