A developer wants to use a module called DatePrettyPrint.

This module exports one default function called printDate().

How can the developer import and use printDate()?

A. import DatePrettyPrint() from ' /path/DatePrettyPrint.js ' ;
printDate();

B. import DatePrettyPrint from ' /path/DatePrettyPrint.js ' ;
DatePrettyPrint.printDate();

C. import printDate from ' /path/DatePrettyPrint.js ' ;
DatePrettyPrint.printDate();

D. import printDate from ' /path/DatePrettyPrint.js ' ;
printDate();

A developer creates a class that represents a news story based on the requirements that a Story should have a body, author, and view count. The code is shown below:

01 class Story {

02 // Insert code here

03 this.body = body;

04 this.author = author;

05 this.viewCount = viewCount;

06 }

07 }

Which statement should be inserted in the placeholder on line 02 to allow for a variable to be set to a new instance of a Story with the three attributes correctly populated?

A. constructor() {

B. super(body, author, viewCount) {

C. function Story(body, author, viewCount) {

D. constructor(body, author, viewCount) {

Code:

01 let array = [1, 2, 3, 4, 4, 5, 4, 4];

02 for (let i = 0; i < array.length; i++) {

03 if (array[i] === 4) {

04 array.splice(i, 1);

05 i--;

06 }

07 }

What is the value of array after execution?

A. [1,2,3,4,5,4]

B. [1,2,3,5]

C. [1,2,3,4,5,4,4]

D. [1,2,3,4,4,5,4]

Refer to the following code:

< html lang= " en " >

< body >

< button class= " secondary " > Save draft < /button >

< button class= " primary " > Save and close < /button >

< /body >

< script >

function displaySaveMessage(event) {

console.log( ' Save message. ' );

}

function displaySuccessMessage(event) {

console.log( ' Success message. ' );

}

window.onload = function() {

document.querySelector( ' .secondary ' )

.addEventListener( ' click ' , displaySaveMessage, true);

document.querySelector( ' .primary ' )

.addEventListener( ' click ' , displaySuccessMessage, true);

}

< /script >

< /html >

A. > Outer message

B. > Outer message
Inner message

C. > Inner message

D. > Inner message
Outer message

A developer wants to create a simple image upload using the File API.

HTML:

< input type= " file " onchange= " previewFile() " >

< img src= " " height= " 200 " alt= " Image preview... " / >

JavaScript:

01 function previewFile() {

02 const preview = document.querySelector( ' img ' );

03 const file = document.querySelector( ' input[type=file] ' ).files[0];

04 // line 4 code

05 reader.addEventListener( " load " , () = > {

06 preview.src = reader.result;

07 }, false);

08 // line 8 code

09 }

Which code in lines 04 and 08 allows the selected local image to be displayed?

A. 04 const reader = new File();
08 if (file) reader.readAsDataURL(file);

B. 04 const reader = new FileReader();
08 if (file) reader.readAsDataURL(file);

C. 04 const reader = new FileReader();
08 if (file) URL.createObjectURL(file);