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Introduction to JavaScript: The Building Block of Interactive Websites

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Introduction to JavaScript: The Building Block of Interactive Websites

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Questions and Answers

What can JavaScript change in real-time while browsing a website?

Neither HTML nor CSS

Only HTML

Only CSS

Both HTML and CSS (correct)

What is JavaScript often used to create in website contents?

Static graphics

Animated graphics (correct)

Interactive tables

Dynamic forms

What is a characteristic of scripting languages like JavaScript?

They are interpreted by another program at runtime (correct)

They are compiled by the computer's processor

They are only used for building mobile applications

They are only used for building desktop applications

Why do users without a programming background often prefer JavaScript over Java?

Because JavaScript is easier to use Signup and view all the answers

Who developed JavaScript?

Brendan Eich of Netscape Signup and view all the answers

What was the original name of JavaScript?

Mocha Signup and view all the answers

Why should beginners learning web development start with HTML and CSS before proceeding to JavaScript?

HTML and CSS form the structure and appearance of a web page before JavaScript adds interactivity. Signup and view all the answers

What role does JavaScript play in the validation of data submitted through online forms?

JavaScript checks the accuracy and format of input data before submission. Signup and view all the answers

How does JavaScript enhance a web page's interactivity and dynamism?

By enabling the creation of dynamic animations and pop-up boxes. Signup and view all the answers

What is the purpose of using semi-colons at the end of each JavaScript statement?

To enhance the readability and standardization of the code. Signup and view all the answers

In what way does JavaScript's support for structured programming syntax benefit developers?

It ensures that programming sequences follow a logical flow. Signup and view all the answers

What advantage does JavaScript have due to its dynamic typing capability?

It permits changing variable types during runtime based on assigned values. Signup and view all the answers