[Dec-2021] Valid Way To Pass Salesforce Exam Dumps with CRT-600 Exam Study Guide
All CRT-600 Dumps and Salesforce Certified JavaScript Developer I Training Courses Help candidates to study and pass the Exams hassle-free!
Salesforce CRT-600 Exam Syllabus Topics:
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NEW QUESTION 53
Refer to HTML below:
<p> The current status of an Order: <span id ="status"> In Progress </span> </p>.
Which JavaScript statement changes the text 'In Progress' to 'Completed' ?
- A. document.getElementById("status").innerHTML = 'Completed' ;
- B. document.getElementById("status").Value = 'Completed' ;
- C. document.getElementById("#status").innerHTML = 'Completed' ;
- D. document.getElementById(".status").innerHTML = 'Completed' ;
Answer: A
NEW QUESTION 54
Which two code snippets show working examples of a recursive function?
Choose 2 answers
- A. Let countingDown = function(startNumber) {
If ( startNumber >0) {
console.log(startNumber) ;
return countingDown(startNUmber);
} else {
return startNumber;
}}; - B. Const sumToTen = numVar => {
If (numVar < 0)
Return;
return sumToTen(numVar + 1)}; - C. Function factorial ( numVar ) {
If (numVar < 0) return;
If ( numVar === 0 ) return 1;
return numVar -1; - D. Const factorial =numVar => {
If (numVar < 0) return;
If ( numVar === 0 ) return 1;
return numVar * factorial ( numVar - 1 );
};
Answer: A,D
NEW QUESTION 55
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 a game : $(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 cartridge game: Super Monic 3x Force . . .
- A. Console16bit.prototype.load = function(gamename) {
- B. Console16bit.prototype.load(gamename) = function() {
- C. Console16bit = Object.create(GameConsole.prototype).load = function
(gamename) { - D. Console16bit.prototype.load(gamename) {
Answer: A
NEW QUESTION 56
Refer to the code below:
Function changeValue(obj) {
Obj.value = obj.value/2;
}
Const objA = (value: 10);
Const objB = objA;
changeValue(objB);
Const result = objA.value;
What is the value of result after the code executes?
- A. Undefined
- B. 0
- C. 1
- D. Nan
Answer: C
NEW QUESTION 57
Which three actions can be using the JavaScript browser console?
Choose 3 answers:
- A. Display a report showing the performance of a page.
- B. Run code that is not related to page.
- C. view , change, and debug the JavaScript code of the page.
- D. View and change security cookies.
- E. View and change DOM the page.
Answer: B,C,E
NEW QUESTION 58
Refer to the code below:
Let str = 'javascript';
Str[0] = 'J';
Str[4] = 'S';
After changing the string index values, the value of str is 'javascript'. What is the reason for this value:
- A. Primitive values are immutable.
- B. Non-primitive values are immutable.
- C. Non-primitive values are mutable.
- D. Primitive values are mutable.
Answer: A
NEW QUESTION 59
Refer to the code below:
Const searchTest = 'Yay! Salesforce is amazing!" ;
Let result1 = searchText.search(/sales/i);
Let result 21 = searchText.search(/sales/i);
console.log(result1);
console.log(result2);
After running this code, which result is displayed on the console?
- A. > 5 >undefined
- B. > 5 > 0
- C. > 5 > -1
- D. > true > false
Answer: A
NEW QUESTION 60
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 2 2
- C. 2 2 1 2
- D. 2 2 undefined undefined
Answer: C
NEW QUESTION 61
Refer to the code below:
for(let number =2 ; number <= 5 ; number += 1 ) {
// insert code statement here
}
The developer needs to insert a code statement in the location shown. The code statement has these requirements:
1. Does require an import
2. Logs an error when the boolean statement evaluates to false
3. Works in both the browser and Node.js
Which meet the requirements?
- A. console.assert(number % 2 === 0);
- B. console.error(number % 2 === 0);
- C. console.debug(number % 2 === 0);
- D. assert (number % 2 === 0);
Answer: B
NEW QUESTION 62
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.apply(inArray, [ ]);
- C. [ ]. concat ( [ ....inArray ] );
- D. [ ]. Concat.apply ([ ], inArray);
Answer: A,D
NEW QUESTION 63
Refer to the expression below:
Let x = ('1' + 2) == (6 * 2);
How should this expression be modified to ensure that evaluates to false?
- A. Let x = ('1' + ' 2') == ( 6 * 2);
- B. Let x = (1 + 2 ) == ( 6 / 2);
- C. Let x = (1 + 2) == ( '6' / 2);
- D. Let x = ('1' + 2) == ( 6 * 2);
Answer: D
NEW QUESTION 64
Given code below:
setTimeout (() => (
console.log(1);
). 0);
console.log(2);
New Promise ((resolve, reject )) = > (
setTimeout(() => (
reject(console.log(3));
). 1000);
)).catch(() => (
console.log(4);
));
console.log(5);
What is logged to the console?
- A. 1 2 5 3 4
- B. 1 2 4 3 5
- C. 2 1 4 3 5
- D. 2 5 1 3 4
Answer: D
NEW QUESTION 65
is below:
<input type="file" onchange="previewFile()">
<img src="" height="200" alt="Image Preview..."/>
The JavaScript portion is:
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 }
In lines 04 and 08, which code allows the user to select an image from their local computer , and to display the image in the browser?
- 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 File();
08 if (file) URL.createObjectURL(file); - D. 04 const reader = new FileReader();
08 if (file) URL.createObjectURL(file);
Answer: B
NEW QUESTION 66
A developer creates an object where its properties should be immutable and prevent properties from being added or modified.
Which method should be used to execute this business requirement ?
- A. Object.const()
- B. Object.freeze()
- C. Object.lock()
- D. Object.eval()
Answer: B
NEW QUESTION 67
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, 3, 4]);
console.assert(res=== 6);
A different developer made changes to the behavior of sum3 to instead sum all of the numbers present in the array. The test passes:
Which two results occur when running the test on the updated sum3 function ?
Choose 2 answers
- A. The line 02 assertion fails
- B. The line 05 assertion fails.
- C. The line 05 assertion passes.
- D. The line 02 assertion passes.
Answer: B,D
NEW QUESTION 68
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. ReferenceError: assignment to undeclared variable "Person"
- B. Developer
- C. Undefined
- D. ReferenceError: eyeColor is not defined
Answer: C
NEW QUESTION 69
developer 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?
- A. 1.2.3
- B. 1.2.0
- C. 1.1.4
- D. 2.0.0
Answer: B
NEW QUESTION 70
A developer needs to test this function:
01 const sum3 = (arr) => (
02 if (!arr.length) return 0,
03 if (arr.length === 1) return arr[0],
04 if (arr.length === 2) return arr[0] + arr[1],
05 return arr[0] + arr[1] + arr[2],
06 );
Which two assert statements are valid tests for the function?
Choose 2 answers
- A. console.assert(sum3('hello', 2, 3, 4)) === NaN);
- B. console.assert(sum3(1, '2')) == 12);
- C. console.assert(sum3(0)) == 0);
- D. console.assert(sum3(-3, 2 )) == -1);
Answer: B,D
NEW QUESTION 71
At Universal Containers, every team has its own way of copying JavaScript objects. The code Snippet shows an implementation from one team:
Function Person() {
this.firstName = "John";
this.lastName = 'Doe';
This.name =() => (
console.log('Hello $(this.firstName) $(this.firstName)');
)}
Const john = new Person ();
Const dan = JSON.parse(JSON.stringify(john));
dan.firstName ='Dan';
dan.name();
What is the Output of the code execution?
- A. Hello Dan Doe
- B. TypeError: dan.name is not a function
- C. Hello John DOe
- D. TypeError: Assignment to constant variable.
Answer: B
NEW QUESTION 72
Refer to the code below:
new Promise((resolve, reject) => {
const fraction = Math.random();
if( fraction >0.5) reject("fraction > 0.5, " + fraction);
resolve(fraction);
})
.then(() =>console.log("resolved"))
.catch((error) => console.error(error))
.finally(() => console.log(" when am I called?"));
When does Promise.finally on line 08 get called?
- A. When rejected
- B. When resolved and settled
- C. When resolved or rejected
- D. WHen resolved
Answer: C
NEW QUESTION 73
Refer to code below:
Let first = 'who';
Let second = 'what';
Try{
Try{
Throw new error('Sad trombone');
}catch (err){
First ='Why';
}finally {
Second ='when';
} catch (err) {
Second ='Where';
}
What are the values for first and second once the code executes ?
- A. First is why and second is where
- B. First is Who and second is When
- C. First is why and second is when
- D. First is who and second is where
Answer: C
NEW QUESTION 74
GIven a value, which three options can a developer use to detect if the value is NaN?
Choose 3 answers !
- A. value == NaN
- B. Object.is(value, NaN)
- C. value === Number.NaN
- D. value ! == value
- E. Number.isNaN(value)
Answer: A,E
NEW QUESTION 75
Refer to the code below:
console.log(''start);
Promise.resolve('Success') .then(function(value){
console.log('Success');
});
console.log('End');
What is the output after the code executes successfully?
- A. End
Start
Success - B. Start
End
Success - C. Success
Start
End - D. Start
Success
End
Answer: B
NEW QUESTION 76
......
Real Exam Questions & Answers - Salesforce CRT-600 Dump is Ready: https://drive.google.com/open?id=1HvFfx5HSnyX6RwLgR6vruSXyWPbfTN5O
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