Science Library - free educational site

Science Library Quiz

Sorry, there is no quiz for this topic. Please try instead this quiz for:

Objects in JavaScript

Instructions: answer the questions, check them carefully, and when you are sure they are all right, press submit. The number of correct answers will be displayed.

Question 1: What is the output of: parseInt("+45*2"); ?


Question 2: What is the output of a) Number() and b) parseInt()?




Question 3: What is the output of: parseInt("0xB"); ?




Question 4: What is the output of:
a) isNaN(NaN); ?
b) isNAN(10); ?
c) isNAN(true); ?




Question 5: What is the output of:
a) Number('Hello Arthur');
b) Number('');




Question 6: What is the output of:
a) Number('0012');
b) Number(true);




Quizzes available from the SEO topic

Select a topic for more Computing quizzes:

Select a subject for more ScienceLibrary.info quizzes

Latest Item on Science Library

The most recent article is:

Trigonometry

View this item in the topic:

Vectors and Trigonometry

and many more articles in the subject:

Subject of the Week

Computing

Information Technology, Computer Science, website design, database management, robotics, new technology, internet and much more. JavaScript, PHP, HTML, CSS, Python, ... Have fun while learning to make your own websites with ScienceLibrary.info.

Computer Science

Test your knowledge!

Question: What is the rationale for choosing the value of the unit coulomb so that an electron has a charge of $1.6 × 10^{-19} C$?




Go to the article about: Electrostatics

Transalpine traduzioni

Quote of the day...

Do we have a plan? It doesn't have to be Wellington at Waterloo, but some sort of plan would be nice.

ZumGuy Internet Promotions

Renewable energy media services