What is the alternative command used in Node.js for loading external modules?

What is the output of the following code?

var a = '2';
var b = a = 3;
document.write(a + b);

The "var" and "function" are __________ in programming.

What will be the output?

[4,6,8].forEach((element)=> { console.log(++element + element++); });

The output of the following code will be?

<script type="text/javascript"> 

a = 8 + "8"; 

document.write(a); 

</script> 

Which of the following navigator object properties is the same in both Netscape and Internet Explorer?

Which of the following are ways to benchmark code?

Which standard construct does the web development environment (JavaScript) offer for data validation of the input entered by the user?

What happens if the body of a for/in loop deletes a property that has not yet been enumerated?