Free PDF 2025 JavaScript-Developer-I: Salesforce Certified JavaScript Developer I Exam–Trustable Reliable Exam Practice

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Salesforce JavaScript-Developer-I certification exam is a multiple-choice exam that measures the candidate's knowledge of JavaScript development principles, best practices, and techniques specific to the Salesforce platform. JavaScript-Developer-I exam consists of 60 multiple-choice questions, and candidates have 105 minutes to complete it. JavaScript-Developer-I exam is available in English and Japanese and can be taken online or in-person at a proctored testing center.

Once certified, developers can showcase their skills and expertise in JavaScript development on the Salesforce platform. Salesforce Certified JavaScript Developer I Exam certification can help developers stand out in the job market and increase their earning potential. It can also help them gain access to new job opportunities and career advancement opportunities within their organization.

To be eligible to take the Salesforce JavaScript-Developer-I Certification Exam, candidates must have a minimum of six months of experience working with JavaScript and Salesforce development. They must also have a good understanding of programming concepts, such as variables, data types, and control structures. Additionally, candidates must have a solid understanding of Salesforce platform concepts, such as objects, fields, and relationships.

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Updated Salesforce JavaScript-Developer-I Exam Questions with Accurate Answers in PDF

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Salesforce Certified JavaScript Developer I Exam Sample Questions (Q138-Q143):

NEW QUESTION # 138
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 # 139
Refer to the following array:
Let arr1 = [ 1, 2, 3, 4, 5 ];

Which two lines of code result in a second array, arr2 being created such that arr2 is not a reference to arr1?

A. Let arr2 = arr1;
B. Let arr2 = Array.from(arr1);
C. Let arr2 = arr1.slice(0, 5);
D. Let arr2 = arr1.sort();

Answer: B,C

NEW QUESTION # 140
Given the following code:

What is the output of line 02?

A. ''Undefined''
B. ''object''
C. ''x''
D. ''null''

Answer: B

NEW QUESTION # 141
A developer has an ErrorHandler module that contains multiple functions.
What kind of export be leverages so that multiple functions can be used?

A. Default
B. Multi
C. All
D. Named

Answer: D

NEW QUESTION # 142
Refer to the code below:

What is the output after the ode executes successfully?

A. End
Start
Success
B. Start
End
Success
C. Start
Success
End
D. Success
Start
End

Answer: C

NEW QUESTION # 143
......

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