JavaScript Basics Quiz

What is JavaScript primarily used for in web development?

• Creating databases

• Programming the behavior of web pages

• Designing page layout

• Managing server-side code

Which of the following is NOT a core web development language?

• HTML

• CSS

• PHP

• JavaScript

Which method is used to change the content of an HTML element?

• document.innerText()

• changeContent()

• document.getElementById().innerHTML

• element.textContent

JavaScript statements can end with which symbol?

• , (comma)

• : (colon)

• ; (semicolon)

• # (hash)

To change an image source using JavaScript, which attribute is updated?

• href

• src

• alt

• link

Which method is used to hide an HTML element using JavaScript?

• element.visibility = "hidden";

• element.remove();

• element.style.display = "none";

• element.style.hide();

Which JavaScript method is used to change the font size of an element?

• changeFontSize()

• style.setFontSize()

• element.style.fontSize

• updateFont()

To display a hidden element again, which display value is typically used?

• inline

• none

• block

• visible

Where can JavaScript be placed in an HTML document?

• Only in the head

• Only in the body

• Both head and body

• Only in external files

Which tag is used to embed JavaScript in an HTML file?

• <javascript>

• <script>

• <js>

• <code>