What does a History object contain?

Under which namespace are the necessary global variables defined in Node.js?

 var output = (function(x){

     delete x;

     return x;

})(0);      

console.log(output); 

Which property is used to disable the panels on which the tabs widget is applied?

What is the purpose of the onAirEvent event?

What is the purpose of the startTimeLogging() method?

What can you do with Higher-Order Components (HOCs) in React?

Which of the following is the approach used to compress HTML in web servers and modern web browsers?

What will be the output of the following JavaScript code?

<p>1</p>
<p>2</p>
<p>3</p>
function myFunction()
{
  var l = document.getElementsByTagName("P").length;
  alert(l);
}

What will be the output of the following JavaScript code?

function getcube()
{
var number = document.getElementById("number").value;
alert(number * number * number);
}