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

A developer creates a simple webpage with an input field. When a user enters text inthe input field and clicks the button, the actual value of the field must be displayed in theconsole.Here is the HTML file content:< input type ='' text'' value=''Hello'' name =''input'' >< button type =''button'' >Display < /button >The developer wrote the javascript code below:Const button = document.querySelector('button');button.addEvenListener('click', () => (Const input = document.querySelector('input');console.log(input.getAttribute('value'));When the user clicks the button, the output is always ''Hello''.What needs to be done make this code work as expected?

Options :

A : Replace line 04 with console.log(input .value);

B : Replace line 03 with const input = document.getElementByName('input');

C : Replace line 02 with button.addEventListener(''onclick'', function() {

D : Replace line 02 with button.addCallback(''click'', function() {

Answer: A

Question 3

Refer to the code below:Const pi = 3.1415326,What is the data type of pi?

Options :

A : Double

B : Number

C : Decimal

D : Float

Answer: B

Question 4

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 5

Which javascript methods can be used to serialize an object into a string and deserializea JSON string into an object, respectively?

Options :

A : JSON.stringify and JSON.parse

B : JSON.serialize and JSON.deserialize

C : JSON.encode and JSON.decode

D : JSON.parse and JSON.deserialize

Answer: A

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