Updated Apr-2023 Test Engine to Practice CRT-600 Test Questions
CRT-600 Real Exam Questions Test Engine Dumps Training With 225 Questions
The Salesforce CRT-600 (Salesforce Certified JavaScript Developer I) certification exam is designed to test the fundamental knowledge and skills of developers who use JavaScript to build custom applications on the Salesforce platform. This certification is ideal for developers who are familiar with JavaScript and want to specialize in building scalable, secure, and efficient applications on the Salesforce platform.
NEW QUESTION # 79
A 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 turnaround 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 # 80
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 factorial =numVar => {
If (numVar < 0) return;
If ( numVar === 0 ) return 1;
return numVar * factorial ( numVar - 1 );
}; - C. Function factorial ( numVar ) {
If (numVar < 0) return;
If ( numVar === 0 ) return 1;
return numVar -1; - D. Const sumToTen = numVar => {
If (numVar < 0)
Return;
return sumToTen(numVar + 1)};
Answer: A,B
NEW QUESTION # 81
Which code change should be done for the console to log the following when 'Click me!' is clicked'
> Row log
> Table log
- A. Change line 10 to event.stopPropagation (false) ;
- B. Remove lines 13 and 14
- C. Change line 14 to elem.addEventListener ('click', printMessage, true);
- D. Remove line 10
Answer: A
NEW QUESTION # 82
Refer to the code below:
Let foodMenu1 = ['pizza', 'burger', 'French fries'];
Let finalMenu = foodMenu1;
finalMenu.push('Garlic bread');
What is the value of foodMenu1 after the code executes?
- A. [ 'Garlic bread']
- B. [ 'Garlic bread' , 'pizza','Burger', 'French fires' ]
- C. [ 'pizza','Burger', 'French fires', 'Garlic bread']
- D. [ 'pizza','Burger', 'French fires']
Answer: D
NEW QUESTION # 83
Given the requirement to refactor the code above to JavaScript class format, which class definition is correct?
- A. console.log(parseInt('two'));
- B. console.log(10/ ''five);
- C. console.log(10/0);
- D. console.log(10/ Number('5'));
Answer: D
NEW QUESTION # 84
Refer to the code below:
Which replacement for the conditional statement on line 02 allows a developer to correctly determine that a specific element, myElement on the page had been clicked?
- A. event.target.id =='myElement'
Answer: A
NEW QUESTION # 85
Refer to the code below:
let sayHello = () => {
console.log ('Hello, world!');
};
Which code executes sayHello once, two minutes from now?
- A. setInterval(sayHello, 12000);
- B. delay(sayHello, 12000);
- C. setTimeout(sayHello, 12000);
- D. setTimeout(sayHello(), 12000);
Answer: C
NEW QUESTION # 86
Which statement phrases successfully?
- A. JSON.parse ( ' foo ' );
- B. JSON.parse(' " foo " ');
- C. JSON.parse ( " foo " );
- D. JSON.parse( " ' foo ' " );
Answer: B
NEW QUESTION # 87
A developer initiates a server with the file server,js and adds dependencies in the source codes package,json that are required to run the server.
Which command should the developer run to start the server locally?
- A. npm start
- B. start server,js
- C. node start
- D. npm start server,js
Answer: A
NEW QUESTION # 88
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 04 with console.log(input .value);
- C. Replace line 02 with button.addCallback("click", function() {
- D. Replace line 02 with button.addEventListener("onclick", function() {
Answer: B
NEW QUESTION # 89
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 passes.
- C. The line 02 assertion passes.
- D. The line 05 assertion fails.
Answer: C,D
NEW QUESTION # 90
Given the following code, what is the value of x?
let x = '15' + (10 * 2);
- A. 0
- B. 1
- C. 2
- D. 3
Answer: B
NEW QUESTION # 91
A developer has the function, shown below, that is called when a page loads.
Where can the developer see the log statement after loading the page in the browser?
- A. On the browser JavaScript console
- B. On the terminal console running the web server
- C. On the webpage console log
- D. In the browser performance tools log
Answer: A
NEW QUESTION # 92
A developer has an ErrorHandler module that contains multiple functions.
What kind of export be leverages so that multiple functions can be used?
- A. Default
- B. Multi
- C. All
- D. Named
Answer: D
NEW QUESTION # 93
A developer needs to debug a Node.js web server because a runtime error keeps occurring at one of the endpoints.
The developer wants to test the endpoint on a local machine and make the request against a local server to look at the behavior. In the source code, the server, js file will start the server. the developer wants to debug the Node.js server only using the terminal.
Which command can the developer use to open the CLI debugger in their current terminal window?
- A. node server,js inspect
- B. node -i server.js
- C. node inspect server,js
- D. node start inspect server,js
Answer: C
NEW QUESTION # 94
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