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NEW QUESTION 50
Given the code below:
const copy = JSON.stringify([ new String(' false '), new Bollean( false ), undefined ]); What is the value of copy?

A. -- [ \"false\" , { } ]--B. -- [ \"false\" ,false, null ]--C. -- [ false, { } ]--D. -- [ \"false\" , false, undefined ]--

Answer: B

 

NEW QUESTION 51
A developer at Universal Containers creates a new landing page based on HTML, CSS, and JavaScript TO ensure that visitors have a good experience, a script named personaliseContext needs to be executed when the webpage is fully loaded (HTML content and all related files ), in order to do some custom initialization.
Which statement should be used to call personalizeWebsiteContent based on the above business requirement?

A. window.addEventListener('load',personalizeWebsiteContext);B. window.addEventListener('onload', personalizeWebsiteContext);C. document.addEventListener(''onDOMContextLoaded', personalizeWebsiteContext);D. Document.addEventListener('''DOMContextLoaded' , personalizeWebsiteContext);

Answer: A

 

NEW QUESTION 52
A developer has code that calculates a restaurant bill, but generates incorrect answers while testing the code:
function calculateBill ( items ) {
let total = 0;
total += findSubTotal(items);
total += addTax(total);
total += addTip(total);
return total;
}
Which option allows the developer to step into each function execution within calculateBill?

A. Wrapping findSubtotal in a console.log() method.B. Calling the console.trace (total) method on line 03.C. Using the debugger command on line 05.D. Using the debugger command on line 03

Answer: C

 

NEW QUESTION 53
A developer has two ways to write a function:

After deciding on an option, the developer creates 1000 monster objects.
How many growl methods are created with Option A and Option B?

A. 1000 growl methods are created regardless of which option is used.B. 1000 growl methods are created for Option A. 1 growl method is created for Option B.C. 1 growl method is created regardless of which option is used.D. 1 growl method is created for Option A. 1000 growl methods are created for Option B.

Answer: B

 

NEW QUESTION 54
A developer is trying to handle an error within a function.
Which code segment shows the correct approach to handle an error without propagating it elsewhere?
A)

B)

C)

D)

A. Option AB. Option BC. Option CD. Option D

Answer: D

 

NEW QUESTION 55
......

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