LPI Web Development Essentials
Domain 4Objective 1
034.1 JavaScript Execution and Syntax (weight: 1) WEB-DEVELOPMENT-ESSENTIALS Practice Questions (Page 2)
Part of the 034 JavaScript Programming domain, which makes up ~16% of our current practice bank. Linux Professional Institute does not publish an official question count, but from its 60-minute exam (~25–40 total, ~4–6 in this domain), expect 1–2 from this objective — we provide 19 practice questions to prepare you well beyond it. (estimate)
19questions here
4free pages
5concepts
Questions 6–10
- 6
A developer has added console.log statements to a script but does not see any output in the browser. Which action should be taken first to view the output?
Select an answer first - 7
A developer has a large external script that is not needed for the initial page render. The script should be loaded only after the user interacts with the page. Which approach is most appropriate?
Select an answer first - 8
A developer has an external script that defines a function used by an inline script in the HTML. The external script is loaded with the async attribute. The inline script sometimes throws an error because the function is not defined. What is the most likely cause?
Select an answer first - 9
A developer writes the following code to log a value to the console: let x = 5; console.log(x + 2); What will be displayed in the browser console?
Select an answer first - 10
Which of the following is a valid JavaScript variable declaration?
Select an answer first
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