The number of web socket events available are ____

Predict the output:

let a = 5;

let b = 2;

a = a & b;

console.log(a);

What is the type of the variable x in the following code?

var x = 12e3

Which event handler is triggered when the user's mouse moves onto a link?

  If you have a function f and an object o, you can define a method named m of o with ________ 

Which of the following properties is associated with the Processing event?

What is the output of the following code?

var array = [2, 4, 6, 7, 8, 10];
var myArr = array.filter(v => v % 2 === 0);

What is the name of the attribute in React that helps to store a reference to a particular React element or component, which will be returned by the component's render configuration function?

What process is performed in the following JavaScript code snippet?

o = {x:1, y:{z:[false,null,""]}};
s = JSON.stringify(o);
p = JSON.parse(s);

What will be the output of the following JavaScript code?

<p id="demo"></p>
<script>
function myFunction()
{
var str = "Tables";
var patt1 = /tables/i;
var result = str.match(patt1);
document.getElementById("demo").innerHTML = result;
}
</script>