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title 201.01 Reading Notes
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Class 01 Readings

Web Connection Outline

  • User-end browser connects via ISP to DNS to get IP address for site. Web server sends page to browser

Web Page Structure

  • Consider web pages as documents-- for readability and intention-- in parallel with analog equivalents

  • HTML structures pages using <elements></elements>that define, categorize, and arrange the text and other content of a site. (see 102 Reading notes, or Chapter 1 in Ducket on HTML)

HTML Versions

  • HTML 4: Circa 1997; some styling features that are discouraged in favor of CSS solutions

  • XHTML 1.0: Circa 2000; based in XML language, necessitating closing tags (for most elements), case-sensitivity, and syntax changes (attributes, nesting tags); usable with other data formats

  • HTML 5: Some tags don't need closing; new elements & attributes; In progress

  • <!DOCTYPE> and similar elements declare HTML version to browser

  • <-- comment formatting works like this --> ; comments viewable in source but not browser view

  • <iframe>: "Inline Frames" : sub-windows for separating content with attributes: src (url sourced); height & width; scrolling; frameborder; seamless

  • <meta>: within <head>, communicates to search engines

HTML5 Layout

  • Updated elements: within or replacing<div> sections (aids some layout & accesibilty features);groupings like <hgroup> to treat elements as single block; <figure>&<figcaption>for visual, non-textual content;

  • Use CSS code (seen in Duckett HTML p442) for backwards compatibility of HTML5 elements

Design

  • Keep audience & usage in mind for structure, style, accesibility, and functionality

JavaScript & Basics of Programming

  • For browsers-- Adding JS can take user input to affect rendered page, store and use data live in browser.

  • Scripts: specific codes that instruct the activity of a browser or other program

  • Tips: Keep overall goal of script in mind; break things down to components;

  • Coding language revolves around Vocabluary and Syntax

  • Objects: "thing" of data; with properties to it (name & value). (eg, web page in browser w/ various elements)

  • Event: activation of a certain section of code (eg, clicked elements of a web page leading to changed output)

  • Method: process by which an action is achieved via code (eg, JS functions)

  • New web content via JS (like document.write())