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NEW QUESTION 50
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 BB. Option DC. Option AD. Option C

Answer: B

 

NEW QUESTION 51
A developer creates a simple webpage with an input filed. When a user enters text In the input field and clicks the button, the actual value of the field must be displayed in the console.
Here is the HTML file content:

The developer wrote the JavaScript code below:

When the user clicks the button, the output is always ''hello''.
What needs to be done to make this code work as expected?

A. Replace line 04 with const input = document. getElementByName ('input') ;B. Replace line 04 with button.addEventListener (''onclick'', function ( ) (C. Replace line 04 with button, addCallback (''click'', function ( ) (D. Replace line 04 with console.log (input, value);

Answer: D

 

NEW QUESTION 52
A developer has the following array of student test grades:
Let arr - [7, 8, 5, 9]
How should want to double each score and then see an array of the students who scored more than 15 points.
How should the developer implement the request?

A. Let arr1 = arr.mapBy ((num) => return num + 2 )) .filterBy ((val) => ( return val > 15 )) ;B. Let arr1 = arr .filter ((filter ((val) => ( return val > 15 )) .map (( num => ( return num +2 ));C. Let arr1 = arr .map ((num => ( num + 2 )) .filterBy ((val => ( val 15 )) ;D. Let arr1 = arr.map ((num) => num + 2 .filter ((val) => val 15 );

Answer: D

 

NEW QUESTION 53
A developer copied a JavaScript object:

How does the developer access dan's forstName,lastName? Choose 2 answers

A. dan,firstname ( ) + dan, lastName ( )B. dan,nameC. dan, firstName = dan.lastNameD. dan,name ( )

Answer: C,D

 

NEW QUESTION 54
Why would a developer specify a package.jason as a developed forge instead of a dependency ?

A. Other required packages depend on it for development.B. It is only needed for local development and testing.C. It is required by the application in production.D. It should be bundled when the package is published.

Answer: B

 

NEW QUESTION 55
......

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