NOSCH Intro Session

• Python

• Logtalk

• Scala

class Hello

{

static Main () : void

{

System.Console.WriteLine ("Hello, world!");

}

}

• Python

• C

• Nemerle

What does PHP stand for?

• Private Home Page

• Personal Hypertext Processor

• Hypertext Preprocessor

What is the purpose of the `bind()` method in JavaScript?

• To add handlers for loading HTML pages.

• To create a new function that, when called, has its `this` keyword set to a specific value 

• To attach event handlers to elements

What is the difference between null and undefined in JavaScript?

• They are synonymous and can be used interchangeably

  
  

• null represents the intentional absence of any object value, while undefined represents a variable that has been declared but not assigned a value

• null is used for primitive types such as int, while undefined is used for non-primitive types like objects and functions.

What is the output of the following JS code?

var x = 1;

console.log(x++ + ++x);

• 3

• 4

• 5

What does the `this` keyword refer to in JavaScript?

• It refers to the parent object

• It refers to an object that is executing the current piece of code

• It refers to the global object

What is the event loop in JavaScript?

• A loop that iterates over events in an event handler

• A mechanism that ensures the execution of code happens in a single-threaded environment

• A method for iterating through arrays in JavaScript

How do you create a new HTML element using JavaScript?

• createElement('div')

• createNewElement('div')

• document.createElement('div')

Caesar's cipher is...

• Ancient language

• First programming language

• Encryption technique

• Sacred message for future people