Node.js Course

Short introduction

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 is indicated to be used as container for menu with navigation links in Web site?

<nav><ul>
 <li><a href="http://coursesweb.net/css/" title="CSS Course">CSS Course</a></li>
 <li><a href="http://www.marplo.net/jocuri/" title="Flash Games">Flash Games</a></li>
</ul></nav>

Which CSS property shifts an item horizontally to the left or right of where it was?

text-align clear float

.some_class {
  width: 30%;
  float: left;
}

Click on the Math object method which returns x, rounded downwards to the nearest integer.

Math.ceil(x) Math.abs(x) Math.floor(x)

var num = 12.34567;
num = Math.floor(num);
alert(num);       // 12

Indicate the PHP function which returns the number of characters in string.

mb_strlen() count() stristr()

$str = "string with utf-8 chars åèö";
$nrchr = mb_strlen($str);
echo $nrchr;        // 30

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