JavaScript-Developer-I Updated Demo, Pdf JavaScript-Developer-I Dumps

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Salesforce JavaScript-Developer-I exam covers a wide range of topics, including data modeling, Apex programming, JavaScript development, Visualforce development, and Lightning Component development. Candidates must demonstrate their proficiency in each of these areas to pass the exam. JavaScript-Developer-I Exam also tests the candidate's ability to design and develop custom applications using Salesforce tools and technologies.

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Salesforce JavaScript-Developer-I Certification Exam is designed to test the skills and knowledge of individuals who wish to become Salesforce Certified JavaScript Developers. Salesforce Certified JavaScript Developer (JS-Dev-101) certification exam is ideal for developers who specialize in building custom applications on the Salesforce platform using JavaScript.

Salesforce Certified JavaScript Developer I certification is recognized globally and is highly valued by employers in the software development industry. Salesforce Certified JavaScript Developer (JS-Dev-101) certification demonstrates that a developer has the skills and knowledge needed to build custom applications on the Salesforce platform, which is one of the most widely used customer relationship management (CRM) systems in the world.

Salesforce Certified JavaScript Developer (JS-Dev-101) Sample Questions (Q57-Q62):

NEW QUESTION # 57
Refer to the code below:

A developer import a library that creates a web server. the imported library uses events and callback to start the server.
Which code should be inserted at line 03 to set up an event and start the web server?

A. server ( (port) => (
Console.log ('Listening on' , port) ;
}};
B. server( );
C. Server .start();
D. Server. on ('connet' , (port) => (
Console.log (Listening on' port);
}};

Answer: A

NEW QUESTION # 58
Refer to the code below:

What is displayed when myfunction(true) is called?

A. 2 2 1 2
B. 2 2 2 2
C. 2 2 1 1
D. 2 2 undefined undefined

Answer: C

NEW QUESTION # 59
Which three statements are true about promises ?
Choose 3 answers

A. The executor of a new Promise runs automatically.
B. A settled promise can become resolved.
C. A fulfilled or rejected promise will not change states .
D. A Promise has a .then() method.
E. A pending promise can become fulfilled, settled, or rejected.

Answer: C,D,E

NEW QUESTION # 60
A developer writes the code below to calculate the factorial of a given number function sum(number){ return number * sum(number-1);
}
sum(3);
what is the result of executing the code.

A. 0
B. Error
C. 1
D. -Infinity

Answer: B

NEW QUESTION # 61
Refer to the code below:

Which value can a developer expect when referencing country,capital,cityString?

A. An error
B. 'NaN'
C. undefined
D. 'London'

Answer: B

NEW QUESTION # 62
......

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