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 attribute is used in <a> tag for the address of the link?

src href rel

<a href="http://coursesweb.net/" title="CoursesWeb.net">CoursesWeb.net</a>

Which CSS property sets the type of the text font?

font-family text-decoration font-size

h2 {
  font-family:"Calibri",sans-serif;
}

What instruction selects all the <div> tags with class="cls"?

querySelector("div.cls") getElementsByTagName("div") querySelectorAll("div.cls")

var elm_list = document.querySelectorAll("div.cls");
var nr_elms = elm_list.length;       // number of selected items
alert(nr_elms);

Indicate the function that can be used to get the sum of values in an array.

array_sum() array_diff() array_shift()

$arr =[1, 2, 3, 4);
$arr_sum = array_sum($arr);
echo $arr_sum;       // 10

Last accessed pages

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innerHTML in PHP ⁽⁹⁵⁹⁸⁾
querySelector and querySelectorAll ^(13570)

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