Javascript Programming Quiz

1. What among the following is an appropriate when an event occurs when the user clicks on an element?

onclick
onchange
onkeyup
onblur

2. Which of the following string will match the RegEx "((d).(dd))$"?

223.123
22.123
223.12
2.2

3. What will be the output of the below code ?

console.log( typeof( '5' + 5))

number
string
object
null

4. Identify the correct syntax to create a JavaScript object for Employee with property empid, empName?

function Ticket(from,to,pName){

  this.from=from;

  this.to=to;

  this.pName= pName;

  }



  var ticket=new Ticket( "Udaipur","Pune","Raj" );

 

var employee=new Object(); employee.empid=20; employee.empName="John";
var employee ={id:2001,empName:"John"};
var employee=Employee(); employee.empid=20; employee.empName="John";
Both A and C

5. Which is an equivalent code to invoke a function m of class o that expects two arguments x and y?

o(x,y);
o.m(x) && o.m(y);
m(x,y);
o.m(x,y);

6. Consider the below code:
Identify the correct code in order to fetch the value entered in username text field?

< body>

< form name="login">

 Enter Your Name< input value="Akash" id="p_name" name="uname">

< /form>

< /body>
 

document.login.uname.value
document.getElementById ("p_name").value
document.getElementByName ("name").value
Both A and B

7. The inner frame within a top-level window can be referred to as _____________

parent(parent)
parent.parent
parent*parent
parent/parent

8. Which of the following is a JavaScript data type?

null
undefined
object
All of the above

9. what will be the output of below code?

const event = new Date(Date.UTC(2012, 11, 20, 3, 0, 0));

console.log (event.toLocaleString('en-IN', { timeZone: 'UTC' }));

20/12/2012, 3:00:00
12/20/2012, 3:00:00
20/12/2012, 3:00:00 am
2012/12/20, 3:00:00 am

10. The ________ escape character turns special characters into string characters

\
/
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