1) script type="text/javascript" x=4+"4"; document.write(x); Output------?

2) Is it possible to nest functions in JavaScript?

3) What is mean by "this" keyword in javascript?

4) Math. round(-20.51)=?

5) parseFloat(9+10)=?

6) How do you create a new object in JavaScript?

7) In Javascript, What does isNaN function do ?

8) If x=103 & y=9 then x%=y , what is the value of x after executing x%=y?

9) script type="text/javascript" language="javascript" var qpt="QualityPointTechnologies"; var result =qpt.lastIndexOf("l"); document.write(result);

10) Who invented the javascript programming language?

11) script type="text/javascript" document.write("(h1) This is a heading (/h1)"); document.write("(p)This is a paragraph.(/p)"); Can you write HTML tag inside the javascript ?

12) script type="text/javascript" language="javascript" var qpt = "QualityPointTechnologies"; var result =qpt.substring(7,8); document.write(result);

13) Is javaScript case sensitive ?

14) script type="text/javascript" language="javascript" var qpt = "QualityPointTechnologies"; var result =qpt.indexOf("Tech"); document.write(result);

15) parseFloat(“FF2”)=?