Node.js Course

Node.js is a free, open source server framework that can run on various platforms (Windows, Linux, Unix, Mac OS X, etc.), and allows you to run JavaScript on the server. It uses asynchronous programming.
- In this course I add tutorials with the things I learn about Node JS from various resources I find on the internet.

What Can Node.js Do?

Node.js can generate dynamic page content.
It can create, open, read, write, delete, and close files on the server.
Node.js can collect form data.
It can add, delete, modify data in a database.

References:

- Node.js Full Documentation
- Pure JavaScript Client implementing the MySql protocol
- Node.js w3schools Tutorial

Daily Test with Code Example

HTML

CSS

JavaScript

PHP-MySQL

What attribute makes a radio button or checkbox input selected?

checked="checked" selected="selected" disabled="disabled"

<input type="checkbox" name="a_name" value="value" checked="checked" />

What CSS value scales the background image to the largest size contained within the element?

repeat-x contain linear-gradient

#id {
  background:url("path_to_image.png");
  background-size:contain;
  background-repeat:no-repeat;
}

What operator is used to determine the rest of the division of two numbers?

% * /

var rest8_7 = 8 % 7;
alert(rest8_7);

Indicate the PHP function that rounds a number up to the next highest integer.

floor() ceil() abs()

$nr = ceil(3.5);
echo $nr;        // 4

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