Which of these is not a reserved word in JavaScript?

Which among the following POSIX signals generate events? 

  JavaScript is a _______________ language. 

Which operator is used to test if a particular property exists or not?

Why is the replace() method better than the assign() method?

Which property is used to read the content present in an HTML element using JavaScript?

What is the significance of the JavaScript logging library log4javascript?

Why are Closure Templates used?

What will be the output of the following JavaScript code?

function counth2()
{
var totalh2 = document.getElementsByTagName("h2");
alert(totalh2.length);
}

<h2>hello</h2>
<h2>hello</h2>

 If A is the superclass and B is the subclass, then subclass inheriting the superclass can be represented as _________