Salesforce Javascript-Developer-I Quiz 13 Topic 4 Questions 61-65

Question: 1

The developer wants to test the code:

Const toNumber = (strOrNum) => + strOrNum;

Which two tests are most accurate for this code? Choose 2 answers

AConsole.assert (toNumber ('2') === 2 ) ;

BConsole. Assert (Number,isNaN (toNumber ( ) ));

CConsole,assert (toNumber ( '-3') < 0);

DConsole,assert (toNumber ( ) === NaN ) ;

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Question: 2

A developer implements a function that adds a few values.

q2_Javascript-Developer-I

Which three options can the developer invoke for this function to get a return vale of 10? Choose 3 answers

ASum () (10)

BSum (5, 5) ()

CSum () (5, 5)

DSum (5) (5)

ESum (10) ()

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Question: 3

Given the code below:

Const copy = JSON.stringify((new String ('false') , new Bolean(false) undefined));

What is the value of copy?

A--[ false, ()]---

B-- [ \'false\'', false, undefined]'' ''

C-- [\''false\'', false, null]'' ''

D-- [\''false\'', ()''''

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Question: 4

A developer wants to create an object from a function in the browser using the code below.

What happens due to lack of the new keyword on line 02?

AThe a variable is assigned the correct object.

BWindow. n is assigned the correct object.

CWindow. === name is assigned to ''hello'' and the variable a n remain undefined.

DThe n variable is assigned the correct object but this- remains undefined.

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Question: 5

Refer to the following code that performs a basis mathematical operation on a provided input:

q5_Javascript-Developer-I

How should line o2 be written to ensure that x evaluated to 6 in the line below?

Let x calculate (''g'');

AReturn Number (num + 10) / 3;

BReturn Number (num) + 10) / 3);

CReturn integer (num + 10) / 3;

DReturn Number (num + 10) / 3;

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Salesforce Javascript-Developer-I Quiz:13 Topic:4 Questions:61-65