Question 1

Refer to the code below:new Promise((resolve, reject) => {const fraction = Math.random();if( fraction >0.5) reject('fraction > 0.5, ' + fraction);resolve(fraction);}).then(() =>console.log('resolved')).catch((error) => console.error(error)).finally(() => console.log(' when am I called?')); Capture When does Promise.finally on line 08 get called?

Options :

A : When rejected

B : When resolved and settled

C : WHen resolved

D : When resolved or rejected

Answer: D

Question 2

Refer to the following array:Let arr1 = [ 1, 2, 3, 4, 5 ]; Capture Which two lines of code result in a second array, arr2 being created such that arr2 is nota reference to arr1?

Options :

A : Let arr2 = arr1.slice(0, 5);

B : Let arr2 = Array.from(arr1);

C : Let arr2 = arr1;

D : Let arr2 = arr1.sort();

Answer: A,B

Question 3

Which statement can a developer apply to increment the browser's navigation history without a page refresh?

Options :

A : window.history.pushState(newStateObject);

B : window.history.pushStare(newStateObject, ' ', null);

C : window.history.replaceState(newStateObject,' ', null);

D : window.history.state.push(newStateObject);

Answer: C

Question 4

A developer at Universal Containers creates a new landing page based on HTML, CSS, andJavaScript TO ensure that visitors have a good experience, a script named personaliseContextneeds to be executed when the webpage is fully loaded (HTML content and all related files ), inorder to do some custom initialization.Which statement should be used to call personalizeWebsiteContent based on the abovebusiness requirement?

Options :

A : document.addEventListener(''onDOMContextLoaded', personalizeWebsiteContext);

B : window.addEventListener('load',personalizeWebsiteContext);

C : window.addEventListener('onload', personalizeWebsiteContext);Document.addEventListener('''DOMContextLoaded' , personalizeWebsiteContext);

D : Document.addEventListener('''DOMContextLoaded' , personalizeWebsiteContext);

Answer: B

Question 5

A developer wants to set up a secure web server with Node.js. The developer creates adirectory locally called app-server, and the first file is app-server/index.jsWithout using any third-party libraries, what should the developer add to index.js to create thesecure web server?

Options :

A : const https =require('https');

B : const server =require('secure-server');

C : const tls = require('tls');

D : const http =require('http');

Answer: A

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