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

Which HTML5 tag defines marked text? (can be used to highlight parts of text)

<p>Free corses: <mark>coursesweb.net</mark> for Web Development.</p>

Which CSS pseudo-class adds a style to an element when the mouse is over it?

:focus :hover :active

a:hover {
  font-weight: bold;
  color: #00da01;
}

Click on the function which returns a string value that represents the number rounded to the x digits after the decimal point.

toPrecision(x) toFixed(x) floor(x)

var num = 12.34567;
num = num.toFixed(2);
alert(num);       // 12.35

Indicate the PHP function which reads an entire file into an array.

[) file() readfile()

$arr = file("a_file.txt", FILE_IGNORE_NEW_LINES | FILE_SKIP_EMPTY_LINES);
var_export($arr);

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