Total 20 question (100 marks)
- 1. How to comment one line in javascript?
- 2. Which is the HTML tag allows write javascript code?
- 3. How to call a function has the name "getFullName()"? Select the right answer.
- 4. How do you display a message box that says "Hello World"?
- 5. Is JavaScript case-sensitive?
- 6. What does the bellow function do? function doSomething(val) { return val ? 1 : 2; }
- 7. Which is the attribute of <script> tag contains a path of external javascript file name xxx.js?
- 8. Before code Javascript, you have to import the Javascript library to the HTML file? True or false?
- 9. Javascript is back-end side programming language?
- 10. We can set any styles to HTML tag with javascript
- 11. What is the "variable" value? var variable; if ( true && 12 < 10 ){ variable = 12; } else { variable = 'chicken'; }
- 12. What is different between let and var in Javascript?
- 13. How to rounding 7.25 number to get an integer?
- 14. What is the purpose of Javascript?
- 15. What is the result of the below code? var n = 0; var x = 0; while (n < 3) {
- 16. What is property help get the value of a textbox?
- 17. What is the result of the below code? while (i < 5) { i++; if (i == 3) {
- 18. What is the correct syntax to comments one line code in JavaScript?
- 19. How to insert a multi-line comment in JavaScript?
- 20. What function help convert a string to a number?