The meaning, function and comprehension of html/css/javascript

HTML (Hypertext Markup language/Hypertext Markup Language)

Meaning: HTML is a standard markup language for creating Web pages.

role: the page can contain pictures, links, and even music, programs and other non-text elements.

Understanding: mainly used to build the skeleton of the Web page, is a structural layer, can be understood as the building of the steel concrete.

CSS (cascading style sheets/cascading style sheet)

Meaning: CSS is a computer language used to represent file styles such as HTML (an application of the standard Universal Markup Language) or XML (a subset of the standard Universal Markup Language).

function: static modification of the Web page, the ability to edit the layout of elements in the Web page precise pixel-level control, support for almost all font size style, with the ability to page object and model style editing.

Understanding: CSS is mainly to set the HTML skeleton elements of the style and layout , such as location, color and so on, is the presentation layer, can be understood as the decoration of the house.

JavaScript

Meaning: JavaScript is a literal-translation scripting language, a dynamic type, a weak type, a prototype-based language, and a built-in support type.

function: increase the dynamic function of HTML page.

Understanding: for the realization of the function of the Web page, the completion of some interaction , etc., belong to the behavior layer, can be understood as the installation door, air conditioning.

The meaning, function and comprehension of html/css/javascript