[Nov-2022] CRT-600 Dumps With 100% Verified Q&As - Pass Guarantee or Full Refund
Pass Salesforce CRT-600 Exam With Practice Test Questions Dumps Bundle
Salesforce CRT-600 Exam Syllabus Topics:
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NEW QUESTION 125
Refer to the following code:
function test (val) {
If (val === undefined) {
return 'Undefined values!' ;
}
if (val === null) {
return 'Null value! ';
}
return val;
}
Let x;
test(x);
What is returned by the function call on line 13?
- A. Undefined
- B. 'Null value!'
- C. 'Undefined values!'
- D. Line 13 throws an error.
Answer: C
NEW QUESTION 126
Given the JavaScript below:
01 function filterDOM (searchString) {
02 const parsedSearchString = searchString && searchString.toLowerCase() ;
03 document.quesrySelectorAll(' .account' ) . forEach(account => (
04 const accountName = account.innerHTML.toLOwerCase();
05 account. Style.display = accountName.includes(parsedSearchString) ? /*Insert code*/;
06 )};
07 }
Which code should replace the placeholder comment on line 05 to hide accounts that do not match the search string?
- A. ' name ' : ' block '
- B. ' hidden ' : ' visible '
- C. ' Block ' : ' none '
- D. ' visible ' : ' hidden '
Answer: C
NEW QUESTION 127
Which code statement below correctly persists an objects in local Storage ?
- A. const setLocalStorage = (storageKey, jsObject) => {
window.localStorage.persist(storageKey, jsObject);
} - B. const setLocalStorage = (storageKey, jsObject) => {
window.localStorage.setItem(storageKey, JSON.stringify(jsObject));
} - C. const setLocalStorage = ( jsObject) => {
window.localStorage.connectObject(jsObject));
} - D. const setLocalStorage = ( jsObject) => {
window.localStorage.setItem(jsObject);
}
Answer: B
Explanation:
NEW QUESTION 128
Which statement accurately describes an aspect of promises?
- A. .then() manipulates and returns the original promise.
- B. In a.then() function, returning results is not necessary since callbacks will catch the result of a previous promise.
- C. Arguments for the callback function passed to .then() are optional.
- D. .then() cannot be added after a catch.
Answer: C
NEW QUESTION 129
Refer to the following array:
Let arr = [1, 2, 3, 4, 5];
Which three options result in x evaluating as [1, 2]?
Choose 3 answer
- A. let x = arr. slice (0, 2);
- B. let x = arr. slice (2);
- C. let x arr.filter((a) => (return a <= 2 });
- D. let x =arr.splice(0, 2);
- E. let x = arr.filter ((a) => 2 }) ;
Answer: A,C,D
NEW QUESTION 130
A developer has two ways to write a function:
Option A:
function Monster() {
This.growl = () => {
Console.log ("Grr!");
}
}
Option B:
function Monster() {};
Monster.prototype.growl =() => {
console.log("Grr!");
}
After deciding on an option, the developer creates 1000 monster objects.
How many growl methods are created with Option A Option B?
- A. 1 growl method is created regardless of which option is used.
- B. 1000 growl method is created for Option A. 1 growl methods are created for Option B.
- C. 1 growl method is created for Option A. 1000 growl methods are created for Option B.
- D. 1000 growl methods are created regardless of which option is used.
Answer: B
NEW QUESTION 131
Refer to code below:
function Person() {
this.firstName = 'John';
}
Person.prototype ={
Job: x => 'Developer'
};
const myFather = new Person();
const result =myFather.firstName + ' ' + myFather.job();
What is the value of the result after line 10 executes?
- A. John undefined
- B. Undefined Developer
- C. Error: myFather.job is not a function
- D. John Developer
Answer: D
NEW QUESTION 132
A developer wants to leverage a module to print a price in pretty format, and has imported a method as shown below:
Import printPrice from '/path/PricePrettyPrint.js';
Based on the code, what must be true about the printPrice function of the PricePrettyPrint module for this import to work ?
- A. printPrice must be an all export
- B. printPrice must be a multi exportc
- C. printPrice must be be a named export
- D. printPrice must be the default export
Answer: D
NEW QUESTION 133
bar, awesome is a popular JavaScript module. the versions publish to npm are:
Teams at Universal Containers use this module in a number of projects. A particular project has the package, json definition below.
A developer runs this command: npm install.
Which version of bar .awesome is installed?
- A. 1.3.5
- B. 1.3.1
- C. 1.4.0
- D. The command fails, because version 130 is not found
Answer: A
NEW QUESTION 134
Refer to code below:
Const objBook = {
Title: 'Javascript',
};
Object.preventExtensions(objBook);
Const newObjBook = objBook;
newObjectBook.author = 'Robert';
What are the values of objBook and newObjBook respectively ?
- A. {author: "Robert", title: "javaScript}
Undefined - B. [title: "javaScript"] [title: "javaScript"]
- C. {author: "Robert", title: "javaScript}
{author: "Robert", title: "javaScript} - D. {author: "Robert"}
{author: "Robert", title: "javaScript}
Answer: B
NEW QUESTION 135
Refer to the code below:
Let inArray =[ [ 1, 2 ] , [ 3, 4, 5 ] ];
Which two statements result in the array [1, 2, 3, 4, 5] ?
Choose 2 answers
- A. [ ]. Concat (... inArray);
- B. [ ]. concat ( [ ....inArray ] );
- C. [ ]. Concat.apply ([ ], inArray);
- D. [ ]. concat.apply(inArray, [ ]);
Answer: A,C
NEW QUESTION 136
At Universal Containers, every team has its own way of copying JavaScript objects. The code snippet shows an Implementation from one team:
What is the output of the code execution?
- A. Hello Dan
- B. Hello Dan Doe
- C. SyntaxError: Unexpected token in JSON
- D. Hello John Doe
Answer: C
NEW QUESTION 137
Refer to the following code block:
What is the console output?
- A. > Better student Jackie got 100% on test.
- B. > Jackie got 70% on test.
- C. > Uncaught Reference Error
- D. > Better student Jackie got 70% on test.
Answer: A
NEW QUESTION 138
A developer is leading the creation of a new web server for their team that will fulfill API requests from an existing client.
The team wants a web server that runs on Node.Js, and they want to use the new web framework Minimalist.Js. The lead developer wants to advocate for a more seasoned back-end framework that already has a community around it.
Which two frameworks could the lead developer advocate for?
Choose 2 answers
- A. Koa
- B. Gatsby
- C. Angular
- D. Express
Answer: C,D
NEW QUESTION 139
Given the following code:
is the output of line 02?
- A. ''x''
- B. ''undefined''
- C. ''object''
- D. ''null'''
Answer: C
NEW QUESTION 140
Refer to the code below:
Function Person(firstName, lastName, eyecolor) {
this.firstName =firstName;
this.lastName = lastName;
this.eyeColor = eyeColor;
}
Person.job = 'Developer';
const myFather = new Person('John', 'Doe');
console.log(myFather.job);
What is the output after the code executes?
- A. Developer
- B. Undefined
- C. ReferenceError: eyeColor is not defined
- D. ReferenceError: assignment to undeclared variable "Person"
Answer: B
NEW QUESTION 141
A developer creates a simple webpage with an input field. When a user enters text in the input field and clicks the button, the actual value of the field must be displayed in the console.
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 to make this code work as expected?
- A. Replace line 03 with const input = document.getElementByName('input');
- B. Replace line 02 with button.addEventListener("onclick", function() {
- C. Replace line 04 with console.log(input .value);
- D. Replace line 02 with button.addCallback("click", function() {
Answer: C
NEW QUESTION 142
Refer to the following code:
What is the output of line 11?
- A. ["bar", "foo"]
- B. ["foo", "bar"]
- C. [1,2]
- D. ["foo:1", "bar:2"]
Answer: B
NEW QUESTION 143
Which code statement below correctly persists an objects in local Storage ?
- A. const setLocalStorage = (storageKey, jsObject) => {
window.localStorage.persist(storageKey, jsObject);
} - B. const setLocalStorage = (storageKey, jsObject) => {
window.localStorage.setItem(storageKey, JSON.stringify(jsObject));
} - C. const setLocalStorage = ( jsObject) => {
window.localStorage.connectObject(jsObject));
} - D. const setLocalStorage = ( jsObject) => {
window.localStorage.setItem(jsObject);
}
Answer: B
NEW QUESTION 144
Refer to following code:
class Vehicle {
constructor(plate) {
This.plate =plate;
}
}
Class Truck extends Vehicle {
constructor(plate, weight) {
//Missing code
This.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.'?
- A. Vehicle.plate = plate;
- B. This.plate =plate;
- C. super(plate);
- D. Super.plate =plate;
Answer: C
NEW QUESTION 145
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 answers
- A. The developer missed the option --save when adding the dependency.
- B. The developer added the dependency as a dev dependency, and
NODE_ENV
Is set to production. - C. The developer added the dependency as a dev dependency, and
NODE_ENV is set to production. - D. The developer missed the option --add when adding the dependency.
Answer: A,B,C
NEW QUESTION 146
Refer the code below.
x=3.14;
function myfunction() {
"use strict";
y=x;
}
z=x;
myFunction();
Answer:
Explanation:
Z is equal to 3.14
Use strict has effect only on line 5.
Line 5 throws an error
NEW QUESTION 147
A developer creates a simple webpage with an input field. When a user enters text in the input field and clicks the button, the actual value of the field must be displayed in the console.
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?
- A. Replace line 03 with const input = document.getElementByName('input');
- B. Replace line 02 with button.addEventListener("onclick", function() {
- C. Replace line 04 with console.log(input .value);
- D. Replace line 02 with button.addCallback("click", function() {
Answer: C
NEW QUESTION 148
A developer is setting up a new Node.js server with a client library that is built using events and callbacks.
The library:
* Will establish a web socket connection and handle receipt of messages to the server
* Will be imported with require, and made available with a variable called we.
The developer also wants to add error logging if a connection fails.
Given this info, which code segment shows the correct way to set up a client with two events that listen at execution time?
- A. ws.on ('connect', ( ) => { console.log('connected to client'); }}; ws.on('error', (error) => { console.log('ERROR' , error); }};
- B. ws.on ('connect', ( ) => {
console.log('connected to client'); ws.on('error', (error) => { console.log('ERROR' , error); });
}); - C. ws.connect (( ) => {
console.log('connected to client'); }).catch((error) => { console.log('ERROR' , error); }}; - D. try{
ws.connect (( ) => {
console.log('connected to client'); });
} catch(error) { console.log('ERROR' , error); };
}
Answer: A
NEW QUESTION 149
......
2022 Valid CRT-600 test answers & Salesforce Exam PDF: https://www.exam4docs.com/CRT-600-study-questions.html
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