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JavaScript-Developer-I Exam Dumps : Salesforce Certified JavaScript Developer I (SU24)

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Salesforce Certified JavaScript Developer I (SU24) Questions and Answers

Question 1

A developer is setting up a Node,js server and is creating a script at the root of the source code, index,js, that will start the server when executed. The developer declares a variable that needs the folder location that the code executes from.

Which global variable can be used in the script?

Options:

A.

window.location

B.

_filename

C.

_dirname

D.

this.path

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Question 2

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” ?

Options:

A.

Change line 7 to ) () ;

B.

Change line 2 to console.log(‘Hello’ , name() );

C.

Change line 9 to sayHello(world) ();

D.

Change line 5 to function world ( ) {

Question 3

Given the following code:

What is the output of line 02?

Options:

A.

"null"

B.

"x-

C.

"undefined" 0

D.

'object"