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Salesforce Certified JavaScript Developer I Exam Sample Questions (Q129-Q134):

NEW QUESTION # 129
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 2 to console.log('Hello' , name() );
B. Change line 7 to ) () ;
C. Change line 9 to sayHello(world) ();
D. Change line 5 to function world ( ) {

Answer: A

NEW QUESTION # 130
A developer wants to set up a secure web server with Node.js. The developer creates a directory locally called app-server, and the first file is app-server/index.js Without using any third-party libraries, what should the developer add to index.js to create the secure web server?

A. const tls = require('tls');
B. const http =require('http');
C. const https =require('https');
D. const server =require('secure-server');

Answer: C

NEW QUESTION # 131
Given two expressions var1 and var2. What are two valid ways to return the logical AND
of the two expressions and ensure it is data type Boolean ?
Choose 2 answers:

A. var1 && var2
B. Boolean(var1) && Boolean(var2)
C. var1.toBoolean() && var2toBoolean()
D. Boolean(var1 && var2)

Answer: B,D

NEW QUESTION # 132
A developer has the following array of hourly wages:
Let arr = (8, 5, 9, 75, 11, 25, 7, 75, , 13, 25);
For workers making less than $10 an hour rate should be multiple by 1.25 and returned in a new array.
How should the developer implement the request?

A. let arrl = arr.filter((val) => val < 10).map((num) -> num = 1.25);
B. let arrl = arr-map((num) => { return ran * 1.25 }).filter((val) -> { return val < 10));
C. let arrl = arr .rr.acArray ((val) => ( val < 10 )) ,map((num) => { num * 1.25 ));
D. let arrl = arr.filterBy((val) => val < 10 ).aapBy<(num) -> num = ..25 );

Answer: B

NEW QUESTION # 133
A team that works on a big project uses npm to deal with projects dependencies.
A developer added a dependency does not get downloaded when they execute npm install.
Which two reasons could be possible explanations for this?
Choose 2 answers

A. The developer added the dependency as a dev dependency, and
NODE_ENV
Is set to production.
B. The developer missed the option --save when adding the dependency.
C. The developer missed the option --add when adding the dependency.
D. The developer added the dependency as a dev dependency, and
NODE_ENV is set to production.

Answer: A,B,D

NEW QUESTION # 134
......

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Ray Fisher Ray Fisher

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