Total 20 question (100 marks)
- 1. What is the output of this program? function main() { try { f77(); } catch(e) { console.log(e); }; try
- 2. What is the result of the below block code? age = 18; alert(age);
- 3. What is the alert value of the below code? var a = parseInt("3abc1"); var b = 3; alert(a * b)
- 4. What is the data type of age variable below? var age =+ "50" alert(typeof(age));
- 5. Which is the attribute of <script> tag contains a path of external javascript file name xxx.js?
- 6. What is the result of the block code below? function first() { window.age = 15; } function second() {
- 7. What is the return value of bellow code? function square (x) { return(x * x) }; function cube (x) { return(x
- 8. How to check the age variable is a number or not? var age ="12abc";
- 9. What is the result of the below code? var n = 0; var x = 0; while (n < 3) {
- 10. Select the correct output of some code below: var age = 10; if(age > 5){ alert("1"); }else if(age < 20){ alert("2"); }
- 11. What is function help execute command javascript in plain text?
- 12. How to rounding 7.25 number to get an integer?
- 13. How to comment on multiple line codes in Javascript?
- 14. What is the result of the below block code? var a = 1; alert(a++);
- 15. What is the result of the below code? while (i < 5) { i++; if (i == 3) {
- 16. What is property help get or set the content of a div tag in javascript?
- 17. Select the correct IF condition below of Javascript.
- 18. How to call a function has the name "getFullName()"? Select the right answer.
- 19. What is the output of this program? var a23 = 1; function b24(){ a23 = 10; return; function a23() {
- 20. What is the result of the block code below? var human = (function () { var publicAPIs = {};