A report on Dynamic web page, JavaScript and Form (HTML)

Dynamic web page: example of server-side scripting (PHP and MySQL).
Sample form. The form is enclosed in an HTML table for visual layout.
When a request to a dynamic web page or resource is made, the application server processes the request using its server-side language.
Registration form of PHP-based e-commerce web-shop software ZenCart

A client-side dynamic web page processes the web page using JavaScript running in the browser as it loads.

- Dynamic web page

These tasks used to be handled with JavaScript, but had become so common that support for them was added to the standard.

- Form (HTML)

Using server-side scripting to change the supplied page source between pages, adjusting the sequence or reload of the web pages or web content supplied to the browser. Server responses may be determined by such conditions as data in a posted HTML form, parameters in the URL, the type of browser being used, the passage of time, or a database or server state.

- Dynamic web page

This meant that JScript became the de facto standard for client-side scripting on the Web.

- JavaScript

The de facto client-side scripting language for web sites is JavaScript.

- Form (HTML)

Validating input values of a web form before the data is sent to a web server.

- JavaScript
Dynamic web page: example of server-side scripting (PHP and MySQL).

1 related topic with Alpha

Overall
Example of DOM hierarchy in an HTML document

Document Object Model

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Cross-platform and language-independent interface that treats an XML or HTML document as a tree structure wherein each node is an object representing a part of the document.

Cross-platform and language-independent interface that treats an XML or HTML document as a tree structure wherein each node is an object representing a part of the document.

Example of DOM hierarchy in an HTML document
WHATWG DOM

The history of the Document Object Model is intertwined with the history of the "browser wars" of the late 1990s between Netscape Navigator and Microsoft Internet Explorer, as well as with that of JavaScript and JScript, the first scripting languages to be widely implemented in the JavaScript engines of web browsers.

Form, link and image elements could be referenced with a hierarchical name that began with the root document object.

This allows the creation of dynamic web pages, because within a page JavaScript can: