[Aug 28, 2023] CRT-600 PDF Questions and Testing Engine With 225 Questions
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Salesforce CRT-600 certification exam is an excellent way for developers to demonstrate their expertise in JavaScript development on the Salesforce platform. Salesforce Certified JavaScript Developer I certification can help developers improve their job prospects and enhance their professional development opportunities. By passing CRT-600 exam, developers can demonstrate their ability to build custom Salesforce applications using JavaScript, which is an essential skill for anyone who wants to succeed in the Salesforce ecosystem.
NEW QUESTION # 75
Given the requirement to refactor the code above to JavaScript class format, which class definition is correct?
A)
B)
C)
D)
- A. Option D
- B. Option C
- C. Option B
- D. Option A
Answer: D
NEW QUESTION # 76
Which code statement below correctly persists an objects in local Storage ?
- A. const setLocalStorage = ( jsObject) => {
window.localStorage.connectObject(jsObject));
} - B. const setLocalStorage = (storageKey, jsObject) => {
window.localStorage.persist(storageKey, jsObject);
} - C. const setLocalStorage = (storageKey, jsObject) => {
window.localStorage.setItem(storageKey, JSON.stringify(jsObject));
} - D. const setLocalStorage = ( jsObject) => {
window.localStorage.setItem(jsObject);
}
Answer: C
Explanation:
NEW QUESTION # 77
Given the requirement to refactor the code above to JavaScript class format, which class definition is correct?
- A. A
- B. B
- C. D
- D. C
Answer: A
NEW QUESTION # 78
Given the code below:
Which three code segments result in a correct conversion from number to string? Choose 3 answers
- A. let strValue = * * 4 numValue;
- B. let strValue = numValue. toString();
- C. let strValue = numValue.toText ();
- D. let strValue = (String)numValue;
- E. let scrValue = String(numValue);
Answer: A,B,E
NEW QUESTION # 79
Considering type coercion, what does the following expression evaluate to?
True + '13' + NaN
- A. ' true13 '
- B. ' 113Nan '
- C. 0
- D. ' true13NaN '
Answer: D
NEW QUESTION # 80
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. trimStart(searchString);
- C. searchString.trimEnd();
- D. searchString.trimStart();
Answer: A,D
NEW QUESTION # 81
Considering the implications of 'use strict' on line 04, which three statements describe the execution of the code?
Choose 3 answers
- A. 'use strict' is hoisted, so it has an effect on all lines.
- B. z is equal to 3.14.
- C. 'use strict' has an effect between line 04 and the end of the file.
- D. 'use strict' has an effect only on line 05.
- E. Line 05 throws an error.
Answer: B,D,E
NEW QUESTION # 82
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 # 83
developer creates a new web server that uses Node.js. It imports a server library that uses events and callbacks for handling server functionality.
The server library is imported with require and is made available to the code by a variable named server. The developer wants to log any issues that the server has while booting up.
Given the code and the information the developer has, which code logs an error at boost with an event?
- A. Server.on ('error', (error) => {
console.log('ERROR', error);
}); - B. Server.catch ((server) => {
console.log('ERROR', error);
}); - C. Try{
server.start();
} catch(error) { - D. Server.error ((server) => {
console.log('ERROR', error);
});
Answer: A
Explanation:
console.log('ERROR', error);
}
NEW QUESTION # 84
Refer to the code below:
function foo () {
const a =2;
function bat() {
console.log(a);
}
return bar;
}
Why does the function bar have access to variable a ?
- A. Hoisting
- B. Inner function's scope
- C. Prototype chain
- D. Outer function's scope
Answer: D
NEW QUESTION # 85
Given the following code:
document.body.addEventListener(' click ', (event) => {
if (/* CODE REPLACEMENT HERE */) {
console.log('button clicked!');
)
});
Which replacement for the conditional statement on line 02 allows a developer to correctly determine that a button on page is clicked?
- A. e.nodeTarget ==this
- B. button.addEventListener('click')
- C. Event.clicked
- D. event.target.nodeName == 'BUTTON'
Answer: D
NEW QUESTION # 86
A developer creates a generic function to log custom messages in the console. To do this, the function below is implemented.
01 function logStatus(status){
02 console./*Answer goes here*/{'Item status is: %s', status};
03 }
Which three console logging methods allow the use of string substitution in line 02?
- A. Error
- B. Log
- C. Message
- D. Info
- E. Assert
Answer: D,E
NEW QUESTION # 87
Refer to the code below:
What is the value of result when the code executes?
- A. 10-5
- B. 5-5
- C. 10-10
- D. 5-10
Answer: C
NEW QUESTION # 88
A developer is wondering whether to use, Promise.then or Promise.catch, especially when a Promise throws an error?
Which two promises are rejected?
Which 2 are correct?
- A. New Promise((resolve, reject) => (throw 'cool error here'}).catch(error => console.error(error)) ;
- B. Promise.reject('cool error here').catch(error => console.error(error));
- C. New Promise(() => (throw 'cool error here'}).then(null, error => console.error(error)));
- D. Promise.reject('cool error here').then(error => console.error(error));
Answer: A,B
NEW QUESTION # 89
Which two console logs output NaN?
Choose 2 answers | |
- A. console.log(10 / Number('5) ) ;
- B. console.log(10 / 0);
- C. console.loeg(10 / 'five');
- D. console.log(parseInt ' ("two')) ;
Answer: A,D
NEW QUESTION # 90
Which javascript methods can be used to serialize an object into a string and deserialize a JSON string into an object, respectively?
- A. JSON.parse and JSON.deserialize
- B. JSON.encode and JSON.decode
- C. JSON.serialize and JSON.deserialize
- D. JSON.stringify and JSON.parse
Answer: D
NEW QUESTION # 91
Which two console logs outputs NaN ?
Choose 2 answers
- A. console.log(parseInt('two'));
- B. console.log(10/ ''five);
- C. console.log(10/ Number('5'));
- D. console.log(10/0);
Answer: A,B
NEW QUESTION # 92
Refer to the following code:
- A. document.querySelector('$main li:second-child').innerHTML = " The Lion ';
- B. document.querySelectorAll('$main $TONY').innerHTML = '" The Lion
- C. document.querySelector('$main li:nth-child(2)'),innerHTML = " The Lion. ';
- D. document.querySelector('$main li.Tony').innerHTML = '" The Lion ';
Answer: B
NEW QUESTION # 93
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. In the browser performance tools log
- B. On the browser JavaScript console
- C. On the terminal console running the web server
- D. On the webpage console log
Answer: B
NEW QUESTION # 94
Refer to the code below:
01 const exec = (item, delay) =>{
02 new Promise(resolve => setTimeout( () => resolve(item), delay)),
03 async function runParallel() {
04 Const (result1, result2, result3) = await Promise.all{
05 [exec ('x', '100') , exec('y', 500), exec('z', '100')]
06 );07 return `parallel is done: $(result1) $(result2)$(result3)`;
08 }}}
Which two statements correctly execute the runParallel () function?
Choose 2 answers
- A. Async runParallel () .then(data);
- B. runParallel () .then(function(data)
return data - C. runParallel () .then(data);
- D. runParallel ( ). done(function(data){
return data;});
Answer: B,D
NEW QUESTION # 95
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 # 96
A developer has an ErrorHandler module that contains multiple functions.
What kind of export should be leveraged so that multiple functions can be used?
- A. default
- B. all
- C. multi
- D. named
Answer: D
NEW QUESTION # 97
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. [ 'pizza','Burger', 'French fires']
- B. [ 'pizza','Burger', 'French fires', 'Garlic bread']
- C. [ 'Garlic bread' , 'pizza','Burger', 'French fires' ]
- D. [ 'Garlic bread']
Answer: A
NEW QUESTION # 98
Which three statements are true about promises ?
Choose 3 answers
- A. The executor of a new Promise runs automatically.
- B. A fulfilled or rejected promise will not change states .
- C. A Promise has a .then() method.
- D. A settled promise can become resolved.
- E. A pending promise can become fulfilled, settled, or rejected.
Answer: B,C,E
NEW QUESTION # 99
......
Salesforce CRT-600 exam is an excellent way for professionals to demonstrate their expertise in Salesforce JavaScript development. Salesforce Certified JavaScript Developer I certification is recognized globally and can help professionals advance their careers in Salesforce development. It is also a valuable credential for employers who are looking for skilled Salesforce developers.
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