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Exam JavaScript-Developer-I Reference - Latest JavaScript-Developer-I Exam Papers

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Salesforce JavaScript-Developer-I exam is a certification exam designed to test a candidate's knowledge and skills in developing applications using JavaScript in the Salesforce platform. JavaScript-Developer-I exam is intended for individuals who have experience in developing custom applications in Salesforce using JavaScript and are seeking to prove their expertise in this area. The Salesforce Certified JavaScript Developer I credential is recognized as a valuable certification by employers and can help individuals advance their careers in Salesforce development.

Salesforce JavaScript-Developer-I Exam is a multiple-choice exam that consists of 60 questions. The time limit for the exam is 105 minutes, and candidates must score at least 68% to pass. JavaScript-Developer-I exam is available in English, Japanese, and Spanish, and it is proctored online.

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Latest JavaScript-Developer-I Exam Papers | JavaScript-Developer-I Vce Files

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Salesforce JavaScript-Developer-I is a certification exam designed for professionals who want to demonstrate their expertise in using JavaScript and related technologies to develop custom applications on the Salesforce platform. JavaScript-Developer-I exam measures the candidate's knowledge of the fundamental concepts of JavaScript, including data types, control structures, functions, arrays, and objects, as well as their ability to apply this knowledge to solve real-world programming problems.

Salesforce Certified JavaScript Developer I Exam Sample Questions (Q215-Q220):

NEW QUESTION # 215
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 numbers in the array, and the test passes.
A different developer made changes to the behavior of sum3 to instead sum only the first two numbers present in the array.

Which two results occur when running this test on the updated sum3 function?
Choose 2 answers

A. The line 02 assertion fails.
B. The line 05 assertion fails.
C. The line 02 assertion passes.
D. The line 05 assertion passes.

Answer: B,C

NEW QUESTION # 216
Refer to the code below:

What is the value of result after the code executes?

A. 0
B. NaN
C. undefined
D. 1

Answer: A

NEW QUESTION # 217
Which code statement below correctly persists an objects in local Storage ?

A. const setLocalStorage = (storageKey, jsObject) => {
window.localStorage.persist(storageKey, jsObject);
}
B. const setLocalStorage = (storageKey, jsObject) => {
window.localStorage.setItem(storageKey, JSON.stringify(jsObject));
}
C. const setLocalStorage = ( jsObject) => {
window.localStorage.connectObject(jsObject));
}
D. const setLocalStorage = ( jsObject) => {
window.localStorage.setItem(jsObject);
}

Answer: B

Explanation:

NEW QUESTION # 218
A developer wants to create an object from a function in the browser using the code below:
Function Monster() { this.name = 'hello' };
Const z = Monster();
What happens due to lack of the new keyword on line 02?

A. Window.m is assigned the correct object.
B. Window.name is assigned to 'hello' and the variable z remains undefined.
C. The z variable is assigned the correct object.
D. The z variable is assigned the correct object but this.name remains undefined.

Answer: B

NEW QUESTION # 219
Refer to the expression below:
Let x = ('1' + 2) == (6 + 2) ;
How should this expression be modified to ensure that a evaluated to false?

A. Let x = (1' + '2') == ('6' / 2) ;
B. Let x = (1' + '2') == (6 + 2) ;
C. Let x = (1' + '2') === (6 / 2) ;
D. Let x = (1' + '2') === (6 + 2) ;

Answer: D

NEW QUESTION # 220
......

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Neil Bell Neil Bell

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