Javascript Questions and Answers
Practice ModeShowing 10 of 78 questions
Q11
Are java and javascript the same?
Answer: Option A
Q12
Syntax for creating a RegExp object:
var txt=new RegExp(pattern,attributes);
var txt=/pattern/attributes; Which of the above mentioned syntax will correct?
Answer: Option C
Q13
<script language="javascript">
function x(z,t)
{
alert(x.length);
}
</script>
output:
?
Answer: Option B
Q14
What is mean by "this" keyword in javascript?
Answer: Option A
Q15
In JavaScript, Window.prompt() method return true or false value ?
Answer: Option A
Q16
Math. round(-20.51)=?
Answer: Option B
Q17
<script language="javascript">
function x()
{
var s = "Quality 100%!{[!!";
var pattern = /\w/g;
var output = s.match(pattern);
document.write(output);
}
</script>
Answer: Option B
Q18
<script type="text/javascript" language="javascript">
var qpt= new Array();
qpt[0] = "WebDevelopment";
qpt[1]="ApplicationDevelopment"
qpt[2]="Testing"
qpt[3] = "QualityPointTechnologies";
document.write(qpt[0,1,2,3]);
</script>
Answer: Option B
Q19
Choose the server-side JavaScript object:
Answer: Option C
Q20
parseFloat(9+10)=?
Answer: Option C