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Who should take the Salesforce JavaScript-Developer-I Exam
This course is designed for Javascript developers starting on the Salesforce platform who require programming customizations on front-end and back-end. There are no prerequisites for Salesforce JavaScript Developer I Exam. Typical job roles that align to the Salesforce Certified JavaScript Developer I are as follows:
- Salesforce developer
- Technical Project Manager
- Technical Product Manager
- Software/backend developer
- Full stack developer
- JavaScript programmer
What is the duration, language, and format of Salesforce JavaScript-Developer-I Exam
- This exam is offered in only English.
- Passing score 65%
- There is a time limit of 105 minutes for the exam.
- This exam consists of 60 questions
- The type of questions is Multiple Choice and situation-based questions.
NEW QUESTION 99
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. > true > false
- B. > 5 > 0
- C. > 5 > -1
- D. > 5 >undefined
Answer: D
NEW QUESTION 100
A developer receives a comment from the Tech lead that the code below gives an error.
Which line edit should be made to make this code run?
- A. 01 let monthname = 'July ';
- B. 02 let year = 2019 ;
- C. 02 const year = 2020;
- D. 03 if (year == 2019) (
Answer: C
NEW QUESTION 101
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 browser console to execute a script that prevents the load event to be fired.
- B. Use the browser to execute a script that removes all the element containing the class ad-library-item.
- C. Use the DOM inspector to prevent the load event to be fired.
- D. Use the DOM inspector to remove all the elements containing the class ad-library-item.
Answer: D
NEW QUESTION 102
A developer uses a parsed JSON string to work with user information as in the block below:
01 const userInformation ={
02 " id " : "user-01",
03 "email" : "[email protected]",
04 "age" : 25
Which two options access the email attribute in the object?
Choose 2 answers
- A. userInformation(email)
- B. userInformation("email")
- C. userInformation.email
- D. userInformation.get("email")
Answer: B,C
NEW QUESTION 103
Refer to the following code block:
class Animal{
constructor(name){
this.name = name;
}
makeSound(){
console.log(`${this.name} is making a sound.`)
}
}
class Dog extends Animal{
constructor(name){
super(name)
this.name = name;
}
makeSound(){
console.log(`${this.name} is barking.`)
}
}
let myDog = new Dog('Puppy');
myDog.makeSound();
What is the console output?
- A. Puppy is barking
Answer: A
NEW QUESTION 104
Refer to the code below:
What is the result of running line 05?
- A. Apromise and bpromise run in parallel.
- B. Only apromise runs.
- C. Neither aPromise or bPromise runs.
- D. aPromise and bPromise run sequentially.
Answer: C
NEW QUESTION 105
Given the code below.
What is logged to the console?
- A. 0
- B. 1
- C. 2
- D. 3
Answer: B
NEW QUESTION 106
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 = (String)numValue;
- D. let strValue = numValue.toText ();
- E. let scrValue = String(numValue);
Answer: A,B,E
NEW QUESTION 107
Refer to the code below:
What is the output after the ode executes successfully?
- A. Start
End
Success - B. Success
Start
End - C. Start
Success
End - D. End
Start
Success
Answer: C
NEW QUESTION 108
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 a multi exportc
- B. printPrice must be the default export
- C. printPrice must be an all export
- D. printPrice must be be a named export
Answer: B
NEW QUESTION 109
Refer to the code below:
What is the value result after line 10 executes?
- A. Error: myfather.job is not a function
- B. Undefined Developer
- C. John undefined
- D. John Developer
Answer: A
NEW QUESTION 110
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. NODE_DEBUG=true node server.js
- D. DEBUG=true node server.js
Answer: D
NEW QUESTION 111
A developer has an ErrorHandler module that contains multiple functions.
What kind of export be leverages so that multiple functions can be used?
- A. All
- B. Named
- C. Multi
- D. Default
Answer: B
NEW QUESTION 112
Refer to the 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 113
Consider type coercion, what does the following expression evaluate to?
True + 3 + '100' + null
- A. '4100null'
- B. 0
- C. 1
- D. '3100null'
Answer: A
NEW QUESTION 114
A developer writers the code below to calculate the factorial of a given number.
Function factorial(number) {
Return number + factorial(number -1);
}
factorial(3);
What is the result of executing line 04?
- A. 0
- B. -Infinity
- C. RuntimeError
- D. 1
Answer: C
NEW QUESTION 115
......
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