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 the input text box to not be modified by the user?

checked="checked" readonly="readonly" disabled="disabled"

<input type="text" value="fixed-value" readonly="readonly" name="a_name" />

What CSS property allows you to create rounded corners in your webpage design?

background-size border-size border-radius

.class {
  border:2px solid blue;
  border-radius:1.2em;
}

What instruction displays a confirmation dialog box to the viewer, who must then click OK or Cancel to proceed?

indexOf() confirm() prompt()

var ques = window.confirm("The result of 0+0 is 0?");
if (ques) alert("Corect");
else alert("Incorrect");

Indicate the PHP function that returns the lowest number of the parameter values.

floor() ceil() min()

$min_nr = min(12, 8, 25, 13);
echo $min_nr;        // 8

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