JavaScript Developer I V1

Given the code below: 01 function GameConsole (name) { 02 this.name = name; 3 } 4 5 GameConsole.prototype.load = function(gamename) { 6 console.log( ` $(this.name) is loading a game : $(gamename) …`); 7 ) 08 function Console 16 Bit (name) { 09 GameConsole.call(this, name) ; 10 } 11 Console16bit.prototype =...

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?A . Event.clicked B. e.nodeTarget ==this C. event.target.nodeName...

A Developer wrote the following code to test a sum3 function that takes in an array of numbers and returns the sum of the first three number in the array, The test passes: Let res = sum2([1, 2, 3 ]) ; console.assert(res === 6 ); Res = sum3([ 1, 2,...

A team that works on a big project uses npm to deal with projects dependencies. A developer added a dependency does not get downloaded when they execute npm install. Which two reasons could be possible explanations for this? Choose 2 answersA . The developer missed the option --add when adding...

Which statement can a developer apply to increment the browser's navigation history without a page refresh? Which statement can a developer apply to increment the browser's navigation history without a page refresh?A . window.history.pushState(newStateObject); B. window.history.pushStare(newStateObject, '', null); C. window.history.replaceState(newStateObject,'', null); D. window.history.state.push(newStateObject);View AnswerAnswer: C

Refer to code below: Function muFunction(reassign){ Let x = 1; var y = 1; if( reassign ) { Let x= 2; Var y = 2; console.log(x); console.log(y);} console.log(x); console.log(y);} What is displayed when myFunction(true) is called?A . 2 2 1 1 B. 2 2 undefined undefined C. 2 2 1...

A test has a dependency on database. query. During the test, the dependency is replaced with an object called database with the method, Calculator query, that returns an array. The developer does not need to verify how many times the method has been called. Which two test approaches describe the...

A developer creates a class that represents a blog post based on the requirement that a Post should have a body author and view count. The Code shown Below: Class Post { // Insert code here This.body =body This.author = author; this.viewCount = viewCount; } } Which statement should be...

Which code statement correctly retrieves and returns an object from localStorage?A . const retrieveFromLocalStorage = () =>{ return JSON.stringify(window.localStorage.getItem(storageKey)); } B. const retrieveFromLocalStorage = (storageKey) =>{ return window.localStorage.getItem(storageKey); } C. const retrieveFromLocalStorage = (storageKey) =>{ return JSON.parse(window.localStorage.getItem(storageKey)); } D. const retrieveFromLocalStorage = (storageKey) =>{ return window.localStorage[storageKey]; }View AnswerAnswer: C

Given the following code: Let x =(‘15’ + 10)*2; What is the value of a?A . 3020 B. 1520 C. 50 D. 35View AnswerAnswer: A