Salesforce Certified JavaScript Developer (JS-Dev-101) Exam Practice Test

What are two unique features of functions defined with a fat arrow as compared to normal function definition?

Choose 2 answers

Given the code below:

01 function GameConsole (name) {

02 this.name = name;

03 }

04

05 GameConsole.prototype.load = function(gamename) {

06 console.log( ` $(this.name) is loading agame : $(gamename) ...`);

07 )

08 function Console 16 Bit (name) {

09 GameConsole.call(this, name) ;

10 }

11 Console16bit.prototype = Object.create ( GameConsole.prototype) ;

12 //insert code here

13 console.log( ` $(this.name) is loading a cartridge game :$(gamename) ...`);

14 }

15 const console16bit = new Console16bit(' SNEGeneziz ');

16 console16bit.load(' Super Nonic 3x Force ');

What should a developer insert at line 15 to output the following message using the

method ?

> SNEGeneziz is loading a cartridgegame: Super Monic 3x Force . . .

Given the following code:

is the output of line 02?

Given the following code:

document.body.addEventListener(' click ', (event) => {

if (/* CODE REPLACEMENT HERE */) {

console.log('button clicked!');

)

});

Which replacement for the conditional statement on line 02 allows a developer to

correctly determine that a button on page is clicked?

What is the result of the code block?

Given two expressions var1 and var2. What are two valid ways to return the logical AND

of the two expressions and ensure it is data type Boolean ?

Choose 2 answers:

A developer is debugging a web server that uses Node.js The server hits a runtimeerror

every third request to an important endpoint on the web server.

The developer added a break point to the start script, that is at index.js at he root of the

server's source code. The developer wants to make use of chrome DevTools to debug.

Which command can be run to access DevTools and make sure the breakdown is hit ?