When you create on a website any form where the user will interact with the page you must take security seriously. We are all human and most common mistakes – the human factor, it is impossible to hope that users will always enter correct values to the form. For example, instead of typing in the […]
Validation. What for? Where? How? (HTML5 example)
![](https://helenaboitsova.com/wp-content/uploads/2016/05/VALIDATE-430x300.png)