[Jan 19, 2022] Fully Updated CRT-600 Dumps - 100% Same Q&A In Your Real Exam
Latest CRT-600 Exam Dumps - Valid and Updated Dumps
Salesforce CRT-600 Exam Syllabus Topics:
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NEW QUESTION 53
A developer wrote the following code:
01 let X = object.value;
02
03 try {
04 handleObjectValue(X);
05 } catch (error) {
06 handleError(error);
07 }
The developer has a getNextValue function to execute after handleObjectValue(), but does not want to execute getNextValue() if an error occurs.
How can the developer change the code to ensure this behavior?
- A. 03 try{
04 handleObjectValue(x);
05 } catch(error){
06 handleError(error);
07 } then {
08 getNextValue();
09 } - B. 03 try{
04 handleObjectValue(x);
05 } catch(error){
06 handleError(error);
07 } finally {
08 getNextValue();
10 } - C. 03 try {
04 handleObjectValue(x)
05 ........................ - D. 03 try{
04 handleObjectValue(x);
05 } catch(error){
06 handleError(error);
07 }
08 getNextValue();
Answer: C
NEW QUESTION 54
A developer wants to create an object from a function in the browser using the code below:
Function Monster() { this.name = 'hello' };
Const z = Monster();
What happens due to lack of the new keyword on line 02?
- A. Window.m is assigned the correct object.
- B. The z variable is assigned the correct object but this.name remains undefined.
- C. Window.name is assigned to 'hello' and the variable z remains undefined.
- D. The z variable is assigned the correct object.
Answer: C
NEW QUESTION 55
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. ' visible ' : ' hidden '
- B. ' Block ' : ' none '
- C. ' name ' : ' block '
- D. ' hidden ' : ' visible '
Answer: B
NEW QUESTION 56
A developer has the following array of student test grades:
Let arr = [ 7, 8, 5, 8, 9 ];
The Teacher wants to double each score and then see an array of the students who scored more than 15 points.
How should the developer implement the request?
- A. Let arr1 = arr.filter(( val) => ( return val > 15 )) .map (( num) => ( return num *2 ))
- B. Let arr1 = arr.mapBy (( num) => ( return num *2 )) .filterBy (( val ) => return val > 15 )) ;
- C. Let arr1 = arr.map((num) => num*2). Filter (( val) => val > 15);
- D. Let arr1 = arr.map((num) => ( num *2)).filterBy((val) => ( val >15 ));
Answer: C
NEW QUESTION 57
Given the code below:
Function myFunction(){
A =5;
Var b =1;
}
myFunction();
console.log(a);
console.log(b);
What is the expected output?
- A. Both lines 08 and 09 are executed, and the variables are outputted.
- B. Line 08 thrones an error, therefore line 09 is never executed.
- C. Both lines 08 and 09 are executed, but values outputted are undefined.
- D. Line 08 outputs the variable, but line 09 throws an error.
Answer: D
NEW QUESTION 58
developer has a web server running with Node.js. The command to start the web server is node server,js. The web server started having latency issues. Instead of a one second turn around for web requests, the developer now sees a five second turnaround, Which command can the web developer run to see what the module is doing during the latency period?
- A. NODE_DEBUG =http, https node server.js
- B. DEBUG = http, https node server.js
- C. DEBUG =true node server.js
- D. NODE_DEBUG =true node server.js
Answer: C
NEW QUESTION 59
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 60
Refer to code below:
Let a ='a';
Let b;
// b = a;
console.log(b);
What is displayed when the code executes?
- A. ReferenceError: b is not defined
- B. A
- C. Null
- D. Undefined
Answer: D
NEW QUESTION 61
Refer to the code below:
Line 05 causes an error.
What are the values of greeting and salutation once code completes?
- A. Greeting is Hello and salutation is Hello, Hello.
- B. Greeting is Goodbye and salutation is I say Hello.
- C. Greeting is Hello and salutation is I say hello.
- D. Greeting is Goodbye and salutation is Hello, Hello.
Answer: A
NEW QUESTION 62
Cloud Kicks has a class to represent items for sale in an online store, as shown below:
Class Item{
constructor (name, price){
this.name = name;
this.price = price;
}
formattedPrice(){
return 's' + String(this.price);}}
A new business requirement comes in that requests a ClothingItem class that should have all of the properties and methods of the Item class but will also have properties that are specific to clothes.
Which line of code properly declares the clothingItem class such that it inherits from Item?
- A. Class ClothingItem extends Item {
- B. Class ClothingItem implements Item{
- C. Class ClothingItem {
- D. Class ClothingItem super Item {
Answer: A
NEW QUESTION 63
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 64
A developer is creating a simple webpage with a button. When a user clicks this button for the first time, a message is displayed.
The developer wrote the JavaScript code below, but something is missing. The message gets displayed every time a user clicks the button, instead of just the first time.
01 function listen(event) {
02 alert ( 'Hey! I am John Doe') ;
03 button.addEventListener ('click', listen);
Which two code lines make this code work as required?
Choose 2 answers
- A. On line 04, use button.removeEventListener(' click" , listen);
- B. On line 06, add an option called once to button.addEventListener().
- C. On line 04, use event.stopPropagation ( ),
- D. On line 02, use event.first to test if it is the first execution.
Answer: A,B
NEW QUESTION 65
Refer to the code below:
Const resolveAfterMilliseconds = (ms) => Promise.resolve (
setTimeout (( => console.log(ms), ms ));
Const aPromise = await resolveAfterMilliseconds(500);
Const bPromise = await resolveAfterMilliseconds(500);
Await aPromise, wait bPromise;
What is the result of running line 05?
- A. aPromise and bPromise run in parallel.
- B. Neither aPromise or bPromise runs.
- C. Only aPromise runs.
- D. aPromise and bPromise run sequentially.
Answer: B
NEW QUESTION 66
Refer to the code below?
Let searchString = ' look for this ';
Which two options remove the whitespace from the beginning of searchString?
Choose 2 answers
- A. searchString.replace(/*\s\s*/, '');
- B. searchString.trimStart();
- C. trimStart(searchString);
- D. searchString.trimEnd();
Answer: A,B
NEW QUESTION 67
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 68
Refer to the following object:
const cat ={
firstName: 'Fancy',
lastName: ' Whiskers',
Get fullName() {
return this.firstName + ' ' + this.lastName;
}
};
How can a developer access the fullName property for cat?
- A. cat.get.fullName
- B. cat.function.fullName()
- C. cat.fullName()
- D. cat.fullName
Answer: D
NEW QUESTION 69
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