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

Click on the tag that creates a cell in table

<table></tr>
  <td>Cell-1</td><td>Cell-2</td>
</tr></table>

Indicate the CSS property used to specify a background image for an element

background-color background-image color

h3 {
  background-image: url("image.jpg");
}

What instruction can be used to parse all the array items?

for() [) object()

var arr = [1, "ab", "CoursesWeb.net"];
for(var i=0; i< arr.length; i++) { alert(arr[i]); };

Indicate the PHP instruction used to traverse an associative array.

for() foreach() if()

$arr =["k1"=>"v1", "k2"=>"v2", "k3"=>"v3");
foreach($arr AS $k => $v) { echo "<br/>". $k ." - ". $v; }

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