Mastering Chrome Developer Tools Quiz

Which tool in Chrome Developer Tools allows you to view and edit the HTML and CSS of a webpage?

• Console

• Network

• Elements

• Performance

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DOK Level 1: Recall

How can you filter network requests by type in the Network tab?

• By using the "Filter" text box

• By clicking on the "Type" column header

• By right-clicking on a request and selecting "Filter by type"

• By using the "Preserve log" checkbox

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DOK Level 1: Recall

What is the purpose of the "Preserve log" checkbox in the Network tab?

• To keep the log of network requests even after a page reload

• To clear the log of network requests

• To save the log to a file

• To filter out unnecessary requests

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DOK Level 1: Recall

Explain how you would use the Console to debug a JavaScript error that only occurs under certain conditions.

• By setting breakpoints in the Sources tab

• By using console.log() statements to print variable values and execution flow

• By inspecting the HTML elements

• By monitoring network activity

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DOK Level 2: Skill/Concept

Describe the steps to simulate a mobile device using Chrome Developer Tools.

• Open the Elements tab, right-click on the element, and select "Simulate Mobile Device"

• Open the Console tab, type "simulate mobile" and press Enter

• Open the Network tab, click on the "Simulate Mobile" button

• Open the Device Toolbar by clicking the "Toggle device toolbar" button or pressing Ctrl+Shift+M

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DOK Level 2: Skill/Concept

How can you measure the performance of a webpage using Chrome Developer Tools?

• By using the Elements tab

• By using the Console tab

• By using the Performance tab to record and analyze performance metrics

• By using the Network tab

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DOK Level 1: Recall

What is the purpose of the "Lighthouse" tool in Chrome Developer Tools?

• To inspect HTML elements

• To debug JavaScript

• To audit the performance, accessibility, and SEO of a webpage

• To monitor network activity

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DOK Level 1: Recall

Explain how you would use breakpoints to debug a JavaScript function that is not behaving as expected.

• By adding console.log() statements

• By setting breakpoints in the Sources tab at the start of the function and stepping through the code

• By inspecting the HTML elements

• By monitoring network activity

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DOK Level 2: Skill/Concept

How can you analyze the load time of individual resources on a webpage?

• By using the Elements tab

• By using the Network tab to view the timing of each resource

• By using the Console tab

• By using the Performance tab

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DOK Level 2: Skill/Concept

Describe a scenario where you would use the "Coverage" tool in Chrome Developer Tools.

• To inspect HTML elements

• To debug JavaScript

• To identify unused CSS and JavaScript in a webpage

• To monitor network activity

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DOK Level 3: Strategic Thinking