JS PRACTICE - TEST ERRORS

For each of the following statements, select Yes if the statement is true. Otherwise, select No.

When the code is run the value of score at line 07 is 15. ​ (a)  

To meet the requirements, the following code should be placed at line 02: if (points === undefined) points = 1; ​ (b)  

• Yes
• No

You work for Fabrikam, Inc. You need to create a function that meets the following requirements:

a) JavaScript code must execute in strict mode.
b) The function must return the produce name, weight, and revenue.
c) The revenue must be formatted as a currency appropriate for the computer's locale setting.
d) The weight must be formatted to display two digits after the decimal point.

How should you complete the code?

b

d

e

var revenue=amount.toLocaleString();

use void;

var pounds=weight.toPrecision(2);

var pounds=weight.toFixed(2);

"use strict";

You are writing a program for Woodgrove Bank. The update() function must update a paragraph element with the input from the user, and then hide the input box.

Which code should you add at lines 09 and 10?

• 
• 
• 
• 

Predict the output of the following JavaScript code.

• 8

• 0

• 12

• 9

You are writing a JavaScript application for an accounting system.

What is the result of running this program?

• Syntax error

• Ari Bixhorn undefined 

• Ari Bixhorn 48000 

• Runtime error 

Predict the output of the following JavaScript code.

Substring takes a string value and get a new one only using the positions given inside the parenthesis.

• f

• s

• sf

• ks

You are creating JavaScript code that manipulates dates. You want to initialize a Date object with the date November 12 , 2017 by using the year, month, and date parameters.
How should you complete the code?

b

c

g

17

11

2017

12

10

November

10

Nov

You are writing a JavaScript function for Trey Research.

The projects array contains the number o scientists asigne to each project.
You need to write function that count the total number of scientists allocated to all projects.
How should yow complet the code? 

e

d

projects[4]

while ( i < count ){

for ( !i == count ){

for ( i == count ){

projects.length

while ( i > count ){

You are creating a JavaScript program for an accounting system.

You need to ensure that a customer can only do a withdrawal if the amount is equal to or less than their current balance.

How should you complete the code at line 02?

• 
  if (amount < currentBalance) {

• if (amount <= currentBalance) {

• 
  if (amount >= currentBalance) {

• 
  if amount > currentBalance) {

Predict the output of the following JavaScript code.

• Runtime Error

• 88

• 881

• Compilation Error