Free Front Practice Test

A video on your website does not play, and the console reports a mixed content issue. What is occurring?

<label class="wq_answerTxtCtr">Your browser does not support HTML5 video</label>

<label class="wq_answerTxtCtr">The web page employs a DOCTYPE, which prevents it from displaying video alongside other web content.</label>

<label class="wq_answerTxtCtr">The page is loaded safely via HTTPS, but the video is being served insecurely over HTTP, and the browser is blocking it.</label>

<label class="wq_answerTxtCtr">The video is from a source that cannot be displayed in your location for legal reasons</label>

Correct! Wrong!

Explanation:
When a website is loaded over HTTPS, all resources, including videos, must also be loaded securely via HTTPS. If a video on the website is loaded via HTTP, the browser will block it due to security concerns.

<button class="wq-continue-btn wq_btn-continue" type="button">Continue >></button>

Which option correctly uses JavaScript's parseInt() method to return an integer after parsing a string?

<label class="wq_answerTxtCtr">parse_int('6');</label>

<label class="wq_answerTxtCtr">parseInt("six");</label>

<label class="wq_answerTxtCtr">parseint("6");</label>

<label class="wq_answerTxtCtr">parseInt("6");</label>

Correct! Wrong!

Explanation:
The parseInt() method in JavaScript is used to parse a string and return an integer.

<button class="wq-continue-btn wq_btn-continue" type="button">Continue >></button>

What purpose does the label> element serve?

<label class="wq_answerTxtCtr">To explain what needs to be entered into a form field</label>

<label class="wq_answerTxtCtr">To identify the difference parts of a figure</label>

<label class="wq_answerTxtCtr">As a heading for tables</label>

<label class="wq_answerTxtCtr">As a caption for images</label>

Correct! Wrong!

Explanation:
The <label> element in HTML provides a title or caption for a form input element, such as a text box, a drop-down list, or a radio button. A brand is an important part of a form as it gives the user information about what information is expected to be entered into the input field. (Valium online) </label>

<button class="wq-continue-btn wq_btn-continue" type="button">Continue >></button>

How do you properly initialize an array of galaxies using JavaScript?

<label class="wq_answerTxtCtr">let galaxies = {Milky Way, Whirlpool, Andromeda};</label>

<label class="wq_answerTxtCtr">String[] galaxies = new Array("Milky Way", "Whirlpool", "Andromeda");</label>

<label class="wq_answerTxtCtr">var galaxies = {"Milky Way", "Whirlpool", "Andromeda"};</label>

<label class="wq_answerTxtCtr">galaxies = ["Milky Way", "Whirlpool", "Andromeda"];</label>

Correct! Wrong!

<button class="wq-continue-btn wq_btn-continue" type="button">Continue >></button>

You've used the display: none property in your CSS. Who will be able to view or listen to this content?

<label class="wq_answerTxtCtr">Users who can see the content on screen</label>

<label class="wq_answerTxtCtr">All users</label>

<label class="wq_answerTxtCtr">Screen reader users</label>

<label class="wq_answerTxtCtr">No users</label>

Correct! Wrong!

Explanation:
When the display: none property is used in CSS, the selected element is removed from the visual collection on the webpage and hidden from view. This means the content will not be visible or accessible to any users, including those using assistive technologies such as screen readers.

<button class="wq-continue-btn wq_btn-continue" type="button">Continue >></button>

Which CSS property does not cause the layout to be recalculated?

<label class="wq_answerTxtCtr">Opacity</label>

<label class="wq_answerTxtCtr">Height</label>

<label class="wq_answerTxtCtr">Width</label>

Correct! Wrong!

Explanation:
While changing the opacity property will not trigger a layout recalculation, it can still trigger repaints and compositing calculations which can impact performance.

<button class="wq-continue-btn wq_btn-continue" type="button">Continue >></button>

How many columns will there be if this code is followed?
.container { width: 600px; column-width: 20px; column-gap: 50px;

<label class="wq_answerTxtCtr">Three</label>

Correct! Wrong!

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<button class="wq-continue-btn wq_btn-continue" type="button">Continue >></button>

Sample Front End Development Practice Questions

Try these questions from our free Front End Development practice tests. The correct answer and an explanation follow each question.

What is reflective practice in Front End Development professional development?
- A. Avoiding past mistakes
- B. Systematically examining experiences to gain insight and improve future practice
- C. Only reflecting on successes
- D. Writing personal diaries
Answer: B. Systematically examining experiences to gain insight and improve future practice
This is fundamental to Front End Development practice. Systematically examining experiences to gain insight and improve future practice represents the professional standard for practical in the Front End Development certification framework.
What is a compliance management system in Front End Development practice?
- A. A software application only
- B. A structured framework of policies, procedures, and controls that ensure regulatory adherence
- C. An optional business tool
- D. A government reporting requirement
Answer: B. A structured framework of policies, procedures, and controls that ensure regulatory adherence
This is fundamental to Front End Development practice. A structured framework of policies, procedures, and controls that ensure regulatory adherence represents the professional standard for regulatory in the Front End Development certification framework.
What distinguishes quality assurance from quality control in Front End Development practice?
- A. They are identical concepts
- B. QA focuses on preventing defects through process improvement while QC detects defects through inspection
- C. QC is more important than QA
- D. QA applies only to manufacturing
Answer: B. QA focuses on preventing defects through process improvement while QC detects defects through inspection
This is fundamental to Front End Development practice. QA focuses on preventing defects through process improvement while QC detects defects through inspection represents the professional standard for quality in the Front End Development certification framework.
What is the role of a bundler like Webpack or Vite in modern front-end development?
- A. Combining multiple source files into optimized bundles for production
- B. Running unit tests across all JavaScript files
- C. Formatting code according to a style guide
- D. Managing npm package versions
Answer: A. Combining multiple source files into optimized bundles for production
Bundlers traverse the dependency graph of source files and output optimized, minified bundles suitable for production delivery.

Take the full Front End Development practice test

Front End Development Practice Test

Front End Development Practice Test

A video on your website does not play, and the console reports a mixed content issue. What is occurring?

Which option correctly uses JavaScript's parseInt() method to return an integer after parsing a string?

What purpose does the label> element serve?

How do you properly initialize an array of galaxies using JavaScript?

You've used the display: none property in your CSS. Who will be able to view or listen to this content?

Which CSS property does not cause the layout to be recalculated?

How many columns will there be if this code is followed?
.container { width: 600px; column-width: 20px; column-gap: 50px;

Pros

Cons

Front End Development Practice Test Questions

Sample Front End Development Practice Questions

Front End Development Practice Test

A video on your website does not play, and the console reports a mixed content issue. What is occurring?

Which option correctly uses JavaScript's parseInt() method to return an integer after parsing a string?

What purpose does the label> element serve?

How do you properly initialize an array of galaxies using JavaScript?

You've used the display: none property in your CSS. Who will be able to view or listen to this content?

Which CSS property does not cause the layout to be recalculated?

How many columns will there be if this code is followed? .container { width: 600px; column-width: 20px; column-gap: 50px;

Pros

Cons

Front End Development Practice Test Questions

Sample Front End Development Practice Questions

How many columns will there be if this code is followed?
.container { width: 600px; column-width: 20px; column-gap: 50px;