Javascript - Functions
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Total 20 question (100 marks)
1. What is the result when the call function below? function getCount(a){ var b = a + 1; function calc(c){
2. What is the output of this program? function main() { try { f77(); } catch(e) { console.log(e); }; try
3. What is the output of this program? var a23 = 1; function b24(){ a23 = 10; return; function a23() {
4. Which is the correct syntax to create a function in Javascript?
5. What is the result of the block js code below? function getSum() { var a = 7;
6. What is the return value of bellow code? var num = 23; function evil () { num += 5; } evil(); console.log(num);
7. How to call a function has the name "getFullName()"? Select the right answer.
8. What does the bellow function do? function doSomething(val) { return val ? 1 : 2; }
9. What is the output of this program? var fn22 = 1; function gn22() { if(!fn22) { var fn22
10. What function help convert a string to a number?
11. What is the output of this program? var y = (function (x){ var x= 1 + x; return x;
12. Select the right options about function in Javascript
13. What is function help execute command javascript in plain text?
14. What is isNaN() function in Javascript?
15. What is the return value of bellow code? function square (x) { return(x * x) }; function cube (x) { return(x
16. What is the result of the below function: function test() { if(true) { var a
17. What is function help get an element Html by id attribute?
18. What is the result of the block code below? var human = (function () { var publicAPIs = {};
19. What is the result of the block code below? function first() { window.age = 15; } function second() {
20. What is the result of the block code below? function getNumber(x){ delete x; return x; } var result = getNumber(1); alert(result);
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