Prepare Important Exam with CRT-600 Exam Dumps(2024)
Pass Exam Questions Efficiently With CRT-600 Questions
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. Salesforce Certified JavaScript Developer I 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 # 116
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. Change line 14 to elem.addEventListener ('click', printMessage, true);
- C. Remove lines 13 and 14
- D. Remove line 10
Answer: A
NEW QUESTION # 117
Universal Containers recently launched its new landing page to host a crowd-funding campaign. The page uses an external library to display some third-party ads. Once the page is fully loaded, it creates more than 50 new HTML items placed randomly inside the DOM, like the one in the code below:
All the elements includes the same ad-library-item class, They are hidden by default, and they are randomly displayed while the user navigates through the page.
- A. Use the DOM inspector to prevent the load event to be fired.
- B. Use the DOM inspector to remove all the elements containing the class ad-library-item.
- C. Use the browser console to execute a script that prevents the load event to be fired.
- D. Use the browser to execute a script that removes all the element containing the class ad-library-item.
Answer: D
NEW QUESTION # 118
A developer has the function, shown below, that is called when a page loads.
function onload() {
console.log("Page has loaded!");
}
Where can the developer see the log statement after loading the page in the browser?
- A. Browser performance toots
- B. Terminal running the web server.
- C. Browser javaScript console
- D. On the webpage.
Answer: C
NEW QUESTION # 119
Which three options show valid methods for creating a fat arrow function?
Choose 3 answers
- A. (x,y,z) => ( console.log(' executed ') ;)
- B. X,y,z => ( console.log(' executed ') ;)
- C. [ ] => ( console.log(' executed ') ;)
- D. x => ( console.log(' executed ') ; )
- E. ( ) => ( console.log(' executed ') ;)
Answer: A,D
NEW QUESTION # 120
A developer copied a JavaScript object:
How does the developer access dan's forstName,lastName? Choose 2 answers
- A. dan, firstName = dan.lastName
- B. dan,firstname ( ) + dan, lastName ( )
- C. dan,name
- D. dan,name ( )
Answer: A,D
NEW QUESTION # 121
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. This.plate =plate;
- B. Vehicle.plate = plate;
- C. Super.plate =plate;
- D. super(plate);
Answer: D
NEW QUESTION # 122
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.lock()
- B. Object.eval()
- C. Object.freeze()
- D. Object.const()
Answer: C
NEW QUESTION # 123
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. > Better student Jackie got 70% on test.
- D. > Uncaught Reference Error
Answer: A
NEW QUESTION # 124
Refer 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?
- A. [1, 2, 3, 4, 5, 4]
- B. [1, 2, 3, 4, 4, 5, 4]
- C. [1, 2, 3, 4, 5, 4, 4]
- D. [1, 2, 3, 5]
Answer: B
Explanation:
NEW QUESTION # 125
Given the following code:
is the output of line 02?
- A. ''object''
- B. ''null'''
- C. ''undefined''
- D. ''x''
Answer: A
NEW QUESTION # 126
Given the code below:
What is logged to the console'
- A. 1 2 5 3 4
- B. 2 5 3 4 1
- C. 1 2 3 4 5
- D. 2 5 1 3 4
Answer: B
NEW QUESTION # 127
Given the following code:
What is the output of line 02?
- A. 'object"
- B. "undefined" 0
- C. "null"
- D. "x-
Answer: A
NEW QUESTION # 128
What are two unique features of functions defined with a fat arrow as compared to normal function definition?
Choose 2 answers
- A. The function generated its own this making it useful for separating the function's scope from its enclosing scope.
- B. The function receives an argument that is always in scope, called parentThis, which is the enclosing lexical scope.
- C. If the function has a single expression in the function body, the expression will be evaluated and implicit returned.
- D. The function uses the this from the enclosing scope.
Answer: A,B
NEW QUESTION # 129
Universal Containers (UC) notices that its application that allows users to search for accounts makes a network request each time a key is pressed. This results in too many requests for the server to handle.
* Address this problem, UC decides to implement a debounce function on string change handler.
What are three key steps to implement this debounce function?
Choose 3 answers:
- A. If there is an existing setTimeout and the search string change, allow the existing setTimeout to finish, and do not enqueue a new setTimeout.
- B. When the search string changes, enqueue the request within a setTimeout.
- C. Ensure that the network request has the property debounce set to true.
- D. Store the timeId of the setTimeout last enqueued by the search string change handle.
- E. If there is an existing setTimeout and the search string changes, cancel the existing setTimeout using the persisted timerId and replace it with a new setTimeout.
Answer: A,B,C
NEW QUESTION # 130
Given the HTML below:
Which statement adds the priority-account css class to the Applied Shipping row?
- A. document.querySelector('#row-as').classList.add('priority-account');
Answer: A
NEW QUESTION # 131
The developer has a function that prints "Hello" to an input name. To test this, thedeveloper created a function that returns "World". However the following snippet does not print " Hello World".
What can the developer do to change the code to print "Hello World" ?
- A. Change line 5 to function world ( ) {
- B. Change line 9 to sayHello(world) ();
- C. Change line 2 to console.log('Hello' , name() );
- D. Change line 7 to ) () ;
Answer: C
NEW QUESTION # 132
Which two console logs outputs NaN ?
Choose 2 answers
- A. console.log(10/0);
- B. console.log(parseInt('two'));
- C. console.log(10/ ''five);
- D. console.log(10/ Number('5'));
Answer: B,C
NEW QUESTION # 133
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 02 with button.addEventListener("onclick", function() {
- B. Replace line 03 with const input = document.getElementByName('input');
- C. Replace line 04 with console.log(input .value);
- D. Replace line 02 with button.addCallback("click", function() {
Answer: C
NEW QUESTION # 134
Refer to the 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 missing code for the code to display 'The truck 123AB has a weight of 5000lb.
- A. super.plate = plate
- B. super(plate)
- C. this.plate = plate
- D. Vehicle.plate = plate
Answer: B
NEW QUESTION # 135
Refer to HTML below:
<div id ="main">
<div id = " card-00">This card is smaller.</div>
<div id = "card-01">The width and height of this card is determined by its contents.</div>
</div>
Which expression outputs the screen width of the element with the ID card-01?
- A. document.getElementById(' card-01 ').style.width
- B. document.getElementById(' card-01 ').width
- C. document.getElementById(' card-01 ').getBoundingClientRest().width
- D. document.getElementById(' card-01 ').innerHTML.lenght*e
Answer: C
NEW QUESTION # 136
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 # 137
A developer at Universal Containers is creating their new landing page based on HTML, CSS, and JavaScript. The website includes multiple external resources that are loaded when the page is opened.
To ensure that visitors have a good experience, a script named personalizeWebsiteContent needs to be executed when the webpage Is loaded and there Is no need to wait for the resources to be available.
Which statement should be used to call personalizeWebsiteContent based on the above business requirement?
- A. windows,addEventListener('onDOMCContentLoaded', personalizeWebsiteContent);
- B. windows,addEventListener('onload', personalizeWebsiteContent);
- C. windows,addEventListener('load', personalizeWebsiteContent);
- D. windows,addEventListener('DOMContent Loaded ', personalizeWebsiteContent);
Answer: C
NEW QUESTION # 138
Refer to the code:
Given the code above, which three properties are set pet1?
Choose 3 answers:
- A. Owner
- B. Type
- C. Name
- D. canTalk
- E. Size
Answer: B,D,E
NEW QUESTION # 139
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Salesforce CRT-600 Exam is a great way for JavaScript developers to showcase their skills and expertise in developing custom applications on the Salesforce platform. Salesforce Certified JavaScript Developer I certification can help you advance your career by demonstrating your knowledge and proficiency in JavaScript development on the Salesforce platform. With this certification, you can prove to potential employers or clients that you have the skills and expertise needed to develop high-quality, custom applications on the Salesforce platform using JavaScript.
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