This page was exported from IT Certification Exam Braindumps [ http://blog.braindumpsit.com ]

Export date:Fri Apr 11 5:21:08 2025 / +0000 GMT

___________________________________________________


Title: Download Latest JavaScript-Developer-I Dumps with Authentic Real Exam QA's [Q115-Q132]

---------------------------------------------------



 Download Latest JavaScript-Developer-I Dumps with Authentic Real Exam Questions
Authentic JavaScript-Developer-I Exam Dumps PDF - Jun-2024 Updated


The Salesforce JavaScript-Developer-I exam covers a wide range of topics, including the fundamentals of JavaScript, the use of JavaScript in the Salesforce platform, and best practices for developing and testing JavaScript code. It also evaluates the candidate's understanding of the Salesforce platform, including its architecture, security and data model, and its integration with other technologies. Passing the Salesforce JavaScript-Developer-I exam demonstrates that the candidate has a deep understanding of JavaScript and its application in the Salesforce platform, and is capable of developing high-quality, scalable, and efficient custom applications in Salesforce.
 


NEW QUESTION 115Given the following code:is the output of line 02?
 ”x”
 ”null”’
 ”object”
 ”undefined”
NEW QUESTION 116Which code statement below correctly persists an objects in local Storage ?
 const setLocalStorage = (storageKey, jsObject) => {window.localStorage.setItem(storageKey, JSON.stringify(jsObject));}
 const setLocalStorage = ( jsObject) => {window.localStorage.connectObject(jsObject));}
 const setLocalStorage = ( jsObject) => {window.localStorage.setItem(jsObject);}
 const setLocalStorage = (storageKey, jsObject) => {window.localStorage.persist(storageKey, jsObject);}
NEW QUESTION 117A class was written to represent items for purchase in an online store, and a second class representing items that are on sale at a discounted price. The constructor sets the name to the first value passed in. The pseudocode is below:There is a new requirement for a developer to implement a description method that will retrun a brief description for item and saleitem.What is the out when executing the code above?
 This is a ScarfUnicaught TypeError: saleitem, description is not a functionThis is a ScarfThis is a discounted Shirt
 This is a ScarfThis is a ShirtThis is a ScarfThis is a discounted Shirt
 This is a ScarfThis is a ShirtThis is a discounted ScardThis is a discounted Shirt
 This is a ScafUncaught TypeError: saleItem, description is not a functionThis is a ShirtThis is a discounted Shirt
NEW QUESTION 118A developer wants to use a module named universalContainersLib andthen call functions from it.How should a developer import every function from the module and then call the functions foo and bar?
 import * from ‘/path/universalContainersLib.js’;universalContainersLib. foo ()7universalContainersLib.bar ();
 import{foo,bar} from ‘/path/universalCcontainersLib.js’;foo():bar()?
 import all from‘/path/universalContainersLib.js’;universalContainersLib.foo();universalContainersLib.bar ();
 import * as lib from ‘/path/universalContainersLib.js’;lib.foo();lib. bar ();
NEW QUESTION 119Refer to the HTML below:Which JavaScript statement results in changing ” The Lion.”?
 document.querySelectorAll(‘$main $TONY’).innerHTML = ‘” The Lion
 document.querySelector(‘$main li:second-child’).innerHTML = ” The Lion ‘;
 document.querySelector(‘$main li.Tony’).innerHTML = ‘” The Lion ‘;
 document.querySelector(‘$main li:nth-child(2)’),innerHTML = ” The Lion. ‘;
NEW QUESTION 120A developer has a formatName function that takes two arguments, firstName and lastName and returns a string. They want to schedule thefunction to run once after five seconds.What is the correct syntax to schedule this function?
 setTimeout (formatName(), 5000, “John”, “BDoe”);
 setTimeout (formatName(‘John’, ”Doe’), 5000);
 setTimout(() => { formatName(“John’, ‘Doe’) }, 5000);
 setTimeout (‘formatName’, 5000, ‘John”, “Doe’);
NEW QUESTION 121A developer implements and calls the following code when an application state change occurs:If the back button is clicked after this method is executed, what can a developer expect?
 A navigate event is fired with a state properly that details previous application state.
 The page is navigated away from and previous page in the browser’s history is loaded.
 The page reloads and all JavaScript is reinitialized.
 A popstate event is fired with a state properly that details the application’s last state.
NEW QUESTION 122Refer to the code below:let timeFunction =() => {console.log(‘Timer called.”);};let timerId = setTimeout (timedFunction, 1000);Which statement allows a developer to cancel the scheduled timed function?
 removeTimeout(timedFunction);
 removeTimeout(timerId);
 clearTimeout(timerId);
 clearTimeout(timedFunction);
NEW QUESTION 123Refer to the code below:Which statement allows a developer to cancel the scheduled timed function?
 removeTimeout (timeFunction) ;
 removeTimeout (timerId) ;
 ClearTimeout (timerId) ;
 ClearTimeout (timeFunction);
NEW QUESTION 124developer publishes a new version of a package with new features that do not break backward compatibility. The previous version number was 1.1.3.Following semantic versioning format, what should the new package version number be?
 2.0.0
 1.2.3
 1.1.4
 1.2.0
NEW QUESTION 125Refer to the code:Given the code above, which three properties are set for pet1? Choose 3 answers
 canTalk
 speak
 name
 owner
 type
NEW QUESTION 126Refer to the following code that imports a module named utils:import (foo, bar) from ‘/path/Utils.js’;foo() ;bar() ;Which two implementations of Utils.js export foo and bar such that the code above runs without error?Choose 2 answers
 // FooUtils.js and BarUtils.js existImport (foo) from ‘/path/FooUtils.js’;Import (boo) from ‘ /path/NarUtils.js’;
 const foo = () => { return ‘foo’ ; }const bar = () => { return ‘bar’ ; }export { bar, foo }
 Export default class {foo() { return ‘foo’ ; }bar() { return ‘bar’ ; }}
 const foo = () => { return ‘foo’;}const bar = () => {return ‘bar’; }Export default foo, bar;
NEW QUESTION 127Refer to the code snippet below:Let array = [1, 2, 3, 4, 4, 5, 4, 4];For (let i =0; i < array.length; i++)if (array[i] === 4) {array.splice(i, 1);}}What is the value of array after the code executes?
 [1, 2, 3, 4, 5, 4, 4]
 [1, 2, 3, 4, 4, 5, 4]
 [1, 2, 3, 5]
 [1, 2, 3, 4, 5, 4]
NEW QUESTION 128Refer to the code below:Which value can a developer expect when referencing country,capital,cityString?
 ‘London’
 undefined
 An error
 ‘NaN’
NEW QUESTION 129myArraym can have one level, two levels, or more levels.Which statement flattens myArray when it can be arbitrarily nested?
 myArray. reduce ((prev, curr) => prev.concat(curr) [ ]);
 myArray. join (“,”). split (“,”);
 [ ] .concat {. . .myArray) ;
 myArray.flat(Infinity);
NEW QUESTION 130developer wants to use a module named universalContainersLib and them call functionsfrom it.How should a developer import every function from the module and then call the fuctions fooand bar ?
 import * ad lib from ‘/path/universalContainersLib.js’;lib.foo();lib.bar();
 import (foo, bar) from ‘/path/universalContainersLib.js’;foo();bar();
 import all from ‘/path/universalContaineraLib.js’;universalContainersLib.foo();universalContainersLib.bar();
 import * from ‘/path/universalContaineraLib.js’;universalContainersLib.foo();universalContainersLib.bar();
NEW QUESTION 131A developer wants to iterate through an array of objects and count the objects and countthe objects whose property value, name, starts with the letter N.Const arrObj = [{“name” : “Zach”} , {“name” : “Kate”},{“name” : “Alise”},{“name” : “Bob”},{“name” :“Natham”},{“name” : “nathaniel”}Refer to the code snippet below:01 arrObj.reduce(( acc, curr) => {02 //missing line 0202 //missing line 0304 ). 0);Which missing lines 02 and 03 return the correct count?
 Const sum = curr.startsWith(‘N’) ? 1: 0;Return acc +sum
 Const sum = curr.name.startsWith(‘N’) ? 1: 0;Return acc +sum
 Const sum = curr.startsWIth(‘N’) ? 1: 0;Return curr+ sum
 Const sum = curr.name.startsWIth(‘N’) ? 1: 0;Return curr+ sum
NEW QUESTION 132Refer to following code:class Vehicle {constructor(plate) {This.plate =plate;}}Class Truck extends Vehicle {constructor(plate, weight) {//Missing codeThis.weight = weight;}displayWeight() {console.log(‘The truck ${this.plate} has a weight of ${this.weight} lb.’);}} Let myTruck = new Truck(‘123AB’, 5000); myTruck.displayWeight(); Which statement should be added to line 09 for the code to display ‘The truck 123AB has a weight of 5000lb.’?
 Super.plate =plate;
 super(plate);
 This.plate =plate;
 Vehicle.plate = plate;
 Loading …






	
	

JavaScript-Developer-I Dumps for success in Actual Exam: https://www.braindumpsit.com/JavaScript-Developer-I_real-exam.html


---------------------------------------------------


Images: https://blog.braindumpsit.com/wp-content/plugins/watu/loading.gif
https://blog.braindumpsit.com/wp-content/plugins/watu/loading.gif


---------------------------------------------------




---------------------------------------------------


Post date: 2024-06-13 10:46:52

Post date GMT: 2024-06-13 10:46:52

Post modified date: 2024-06-13 10:46:52

Post modified date GMT: 2024-06-13 10:46:52