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NEW QUESTION 24
Universal Containers recently launched its new landing page to host a crowd-funding
campaign. The page uses an external library to display some third-party ads. Once the page is
fully loaded, it creates more than 50 new HTML items placed randomly inside the DOM, like the
one in the code below:
All the elements includes the same ad-library-item class, They are hidden by default, and they are randomly displayed while the user navigates through the page.
- A. Use the DOM inspector to prevent the load event to be fired.
- B. Use the browser console to execute a script that prevents the load event to be fired.
- C. Use the DOM inspector to remove all the elements containing the class ad-library-item.
- D. Use the browser to execute a script that removes all the element containing the class ad-library-item.
Answer: D
NEW QUESTION 25
A developer creates an object where its properties should be immutable and prevent properties from being added or modified.
Which method should be used to execute this business requirement?
- A. Object. filebase ( )
- B. Object const ( )
- C. Object. real ( )
- D. Object. Lock ( )
Answer: A
NEW QUESTION 26
Refer to the HTML below:
div id="main"
ul
liLeo/li
liTony/li
liTiger/li
/ul
/div
Which JavaScript statement results in changing " Tony" to "Mr. T."?
- A. document.querySelectorAll('$main $TONY').innerHTML = ' Mr. T. ';
- B. document.querySelector('$main li:nth-child(2)'),innerHTML = ' Mr. T. ';
- C. document.querySelector('$main li:second-child').innerHTML = ' Mr. T. ';
- D. document.querySelector('$main li.Tony').innerHTML = ' Mr. T. ';
Answer: B
NEW QUESTION 27
Refer to the code below:
let car1 = new Promise((_ ,reject)= setTimeout(reject,2000,"Car1 crashed in")); let car2 = new Promise(resolve = setTimeout(resolve,1500,"Car2 completed")); let car3 = new Promise(resolve = setTimeout(resolve,3000,"Car3 completed")); Promise.race([car1,car2,car3])
.then(value={
let result = `${value} the race.`;
}).catch(err={
console.log('Race is cancelled.',err);
});
What is the value of result when promise.race execues?
Answer:
Explanation:
Car2 completed the race.
NEW QUESTION 28
......
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