100% Passing Guarantee - Brilliant JavaScript-Developer-I Exam Questions PDF [Jan-2022]
JavaScript-Developer-I Dumps 2022 - NewSalesforce JavaScript-Developer-I Exam Questions
NEW QUESTION 66
Refer to the code below:
Which two function can replace line 01 and return 58 to sum? Choose 2 answers
- A. Const addby = function (num1) (
Return function (num2) (
}
} - B. const addBy = function (num1) {
Return function (num2) {
}
} - C. const addBy = (num1) num1 + num2
- D. const addBy = num1 (num2) => num1 + num2 ;
Answer: B,D
NEW QUESTION 67
Refer to the code below:
What are the value of objBook and newObBook respectively?
- A. author: ''Robert title ''javaScript'' ) undefined
- B. (author: ''Robert'' )
(Author: ''Robert '', title: JavaScript'') - C. ( Title: JavaScript'')
( Title: JavaScript'') - D. ( author: ''Robert'', title JavaScript'' )
( author: ''Robert'', title JavaScript'' )
Answer: A
NEW QUESTION 68
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 missed the option --add when adding the dependency.
- D. The developer added the dependency as a dev dependency, and NODE_ENV Is set to production.
Answer: A,B,D
NEW QUESTION 69
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 70
Given the following code:
is the output of line 02?
- A. ''x''
- B. ''object''
- C. ''null'''
- D. ''undefined''
Answer: B
NEW QUESTION 71
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, 5, 4, 4]
- C. [1, 2, 3, 5]
- D. [1, 2, 3, 4, 4, 5, 4]
Answer: D
NEW QUESTION 72
Which statement parses successfully?
- A. JSON.parse ('' 'foo' '');
- B. JSON.parse ('foo ');
- C. JSON.parse (''foo '');
- D. JSON.parse ('' 'foo'' ');
Answer: C
NEW QUESTION 73
Refer to the code below:
What is the result of running line 05?
- A. Neither aPromise or bPromise runs.
- B. Apromise and bpromise run in parallel.
- C. Only apromise runs.
- D. aPromise and bPromise run sequentially.
Answer: A
NEW QUESTION 74
A developer uses a parsed JSON string to work with user information as in the block below:
Which two option access the email attributes in the object? Choose 2 answers
- A. userInformation. email
- B. userInformation(email)
- C. userInformation ( ''email'' )
- D. userInformation. Get (''email'')
Answer: A,C
NEW QUESTION 75
Refer to the code below:
What are the values for first and second once the executes?
- A. First is who and second is where.
- B. First is why and second is where.
- C. First is why and second is when.
- D. First is who and second is when.
Answer: B
NEW QUESTION 76
A test has a dependency on database. query. During the test, the dependency is replaced with an object called database with the method, Calculator query, that returns an array. The developer does not need to verify how many times the method has been called.
Which two test approaches describe the requirement?
Choose 2 answers
- A. White box
- B. Stubbing
- C. Black box
- D. Substitution
Answer: A,D
NEW QUESTION 77
Which JavaScript method can be used to serialize an object into a string and deserialize a JSON string into an object, respectively?
- A. JSON.encode and JSON decode
- B. JSON,serialize and JSON,desrialize
- C. JSON.Stringify and JSON.parse
- D. JSON.parse and JSON deserialize
Answer: B
NEW QUESTION 78
A developer wants to create an object from a function in the browser using the code below.
What happens due to lack of the new keyword on line 02?
- A. The n variable is assigned the correct object but this- remains undefined.
- B. The a variable is assigned the correct object.
- C. Window. n is assigned the correct object.
- D. Window. === name is assigned to ''hello'' and the variable a n remain undefined.
Answer: D
NEW QUESTION 79
Refer to the code below:
What is the value of result after the code executes?
- A. NaN
- B. 0
- C. undefined
- D. 1
Answer: D
NEW QUESTION 80
Which option is true about the strict mode in imported modules?
- A. Add the statement use non-strict; before any other statement in the module to enable not strict mode.
- B. Add the statement use strict = false, before any other statements In the module to enable not-strict mode.
- C. Imported modules are in strict model whether you declare them as such or not.
- D. You can only reference notStrict () functions from the imported module.
Answer: D
NEW QUESTION 81
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How much Salesforce JavaScript-Developer-I Exam Cost
The price of the Salesforce JavaScript Developer I certification is $200 USD, for more information related to the Salesforce JavaScript-Developer-I Exam please visit Salesforce website.
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