Total 20 question (100 marks)
- 1. How many kinds of loops in Javascript?
- 2. What is function help execute command javascript in plain text?
- 3. How do you display a message box that says "Hello World"?
- 4. How to call a function has the name "getFullName()"? Select the right answer.
- 5. Which is the correct command help to check "i" variable is not equal 5?
- 6. What is the result of "variable"? var variable; if (""){ variable = true; } else { variable = 55; }
- 7. Which is the HTML tag allows write javascript code?
- 8. Is JavaScript case-sensitive?
- 9. Javascript is an object oriented language?
- 10. Which is the attribute of <script> tag contains a path of external javascript file name xxx.js?
- 11. What does the bellow function do? function doSomething(val) { return val ? 1 : 2; }
- 12. What is the result of the block code below? var numbers = [2, 4, 6, 8]; var counter = 0; var
- 13. What function help convert a string to a number?
- 14. We can set any styles to HTML tag with javascript
- 15. What is isNaN() function in Javascript?
- 16. What is the result of the block code below? var human = (function () { var publicAPIs = {};
- 17. What is the result of the below code block? alert(age); var age = 10;
- 18. How to assign value to the myName variable but still keep old value? Select the right answer.
- 19. What is the alert value of the below code? var a = parseInt("3abc1"); var b = 3; alert(a * b)
- 20. What is the mean of += operator in the below code? var fullname = "Jonh"; fullname += " Hug"; alert(fullname);