2nd long test

What is the purpose of the id attribute in HTML?

• The id attribute is used to create hyperlinks between pages.

• The id attribute allows multiple elements to share the same identifier.

• The id attribute is used to style elements with CSS.

• The id attribute provides a unique identifier for an HTML element.

Why must the value of the id attribute be unique within an HTML document?

• The value of the id attribute must be unique to avoid conflicts in element identification.

• The id attribute is optional and does not affect functionality.

• The id attribute is only used for styling purposes.

• The id attribute can be reused multiple times in a document.

Is the value of the id attribute case sensitive?

• The id attribute is case insensitive by default.

• Yes, the value of the id attribute is case sensitive.

• Case sensitivity of the id attribute depends on the browser.

• No, the value of the id attribute is not case sensitive.

How can JavaScript access an element with a specific id?

• Use document.querySelector('#yourId');

• Get it using document.getElementByName('yourId');

• Access it with document.getElementByClass('yourId');

• Use document.getElementById('yourId');

What method is used in JavaScript to get an element by its id?

• document.querySelector()

• getElementById()

• document.getElementById()

• document.getElementsByClassName()

Can multiple elements share the same id in an HTML document?

• Yes, multiple elements can share the same id in an HTML document.

• An id can be reused across different HTML documents.

• An id must be unique only within a single HTML file.

• No, multiple elements cannot share the same id in an HTML document.

What happens if two elements have the same id in an HTML document?

• Elements with the same id will be ignored by the browser.

• Only the first element with the id will be recognized by CSS.

• Having duplicate ids is a valid practice in HTML.

• Two elements with the same id can cause conflicts, leading to unpredictable behavior in JavaScript and CSS.

Why is it important to use unique ids in web development?

• Using the same ID multiple times can enhance performance.

• IDs are irrelevant for styling and layout purposes.

• Unique IDs prevent conflicts, enable precise element targeting, and improve accessibility.

• Unique IDs are only necessary for large websites.

What does the <td> </td> tag stand for?

• Table Definition

• Table Data

• Table Description

• Table Division

Which tag is used to define a table row?

• <table></table>

• <tr></tr>

• <td></td>

• <row></row>