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Salesforce JavaScript-Developer-I Certification Exam consists of 60 multiple-choice questions that must be completed within 105 minutes. JavaScript-Developer-I exam focuses on a range of topics, including JavaScript fundamentals, Apex, Visualforce, and Lightning components. A passing score of 68% is required to earn the certification.

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JavaScript-Developer-I Latest Study Notes & New JavaScript-Developer-I Exam Format

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Salesforce JavaScript-Developer-I certification exam is designed to test the knowledge of developers who use JavaScript on the Salesforce platform. JavaScript-Developer-I exam is intended for those who build custom applications and functionality using the Salesforce Lightning Component Framework and Apex. JavaScript-Developer-I Exam is also suitable for those who have experience with web development and JavaScript and are looking to expand their credentials with Salesforce.

Salesforce Certified JavaScript Developer (JS-Dev-101) Sample Questions (Q76-Q81):

NEW QUESTION # 76
The developer has a function that prints "Hello" to an input name. To test this, thedeveloper created a function that returns "World". However the following snippet does not print " Hello World".

What can the developer do to change the code to print "Hello World" ?

A. Change line 9 to sayHello(world) ();
B. Change line 5 to function world ( ) {
C. Change line 2 to console.log('Hello' , name() );
D. Change line 7 to ) () ;

Answer: C

NEW QUESTION # 77
Refer to the code below:

Which code executes syhello once, two minutes from now?

A. SetTimeout (sayhello( ), 120000) ;
B. SetInterval (sayhello, 120000) ;
C. delay (sayhello, 120000) ;
D. SetTimeout (sayhello, 120000) ;

Answer: A

NEW QUESTION # 78
developer is trying to convince management that their team will benefit from using Node.js for a backend server that they are going to create. The server will be a web server that handles API requests from a website that the team has already built using HTML, CSS, and JavaScript.
Which three benefits of Node.js can the developer use to persuade their manager?
Choose 3 answers:

A. Executes server-side JavaScript code to avoid learning a new language.
B. Ensures stability with one major release every few years.
C. User non blocking functionality for performant request handling .
D. Performs a static analysis on code before execution to look for runtime errors.
E. I nstalls with its own package manager to install and manage third-party libraries.

Answer: C,D,E

NEW QUESTION # 79
A developer is creating a simple webpage with a button. When a user clicks this button for the first time, a message is displayed.
The developer wrote the JavaScript code below, but something is missing. The message gets displayed time a user clicks the button instead of just the first time.

Which two code lines make this code work as required? Choose 2 answers

A. On line 06, ad an option called once to button. addEventlistener ( ).
B. On line 04, use button. removeEventlistener ('click', listen );
C. On line 04, use event .stopPropagetion ( );
D. On line 02, use event.first to test if it is the first execution.

Answer: A,B

NEW QUESTION # 80
A developer is debugging a web server that uses Node.js The server hits a runtimeerror
every third request to an important endpoint on the web server.
The developer added a break point to the start script, that is at index.js at he root of the
server's source code. The developer wants to make use of chrome DevTools to debug.
Which command can be run to access DevTools and make sure the breakdown is hit ?

A. Node inspect index.js
B. Node --inspect-brk index.js
C. Node --inspect index.js
D. node -i index.js

Answer: C

NEW QUESTION # 81
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