Javascript Questions and Answers
Practice ModeShowing 10 of 78 questions
Q21
<script language="javascript">
function x()
{
document.write(2+5+"8");
}
</script>
Answer: Option D
Q22
_________ keyword is used to declare variables in javascript.
Answer: Option A
Q23
In Javascript, Which of the following method is used to evaluate the regular expression?
Answer: Option A
Q24
<script language="javascript">
function x()
{
var s= "quality 100%";
var pattern = /\d/g;
var output= s.match(pattern);
document.write(output);
}
</script>
Answer: Option B
Q25
<script type="text/javascript" language="javascript">
qpt=((45%2)==0)? "hello" : "bye";
document.write(qpt);
</script>
Answer: Option B
Q26
<script language="javascript">
function x()
{
var qpt = "QualityPointTechnologies";
var pattern = new RegExp("POIiNT","i");
document.write(qpt.match(pattern));
}
</script>
Answer: Option D
Q27
How do you create a new object in JavaScript?
Answer: Option A
Q28
In Javascript, What does isNaN function do ?
Answer: Option A
Q29
If x=103 & y=9 then x%=y , what is the value of x after executing x%=y?
Answer: Option A
Q30
Choose the external object:
Answer: Option D