LLC: JavaScript for the Web

Information

• Current version: 2.0.0-a.2

Links

• Slides: https://bit.ly/llc-jsweb
• IDE / Learner project: https://bit.ly/llc-jsweb-ide
• Finished project: https://bit.ly/llc-jsweb-demo
• Learner references (this page): https://bit.ly/llc-jsweb-refs

Learner Language References

HTML

Syntax & concepts

• elements— web pages are made of elements which determine structure and content. There are over 100 different elements, some of which are listed below, separated into content elements (elements for holding and presenting content) and sectioning elements (elements for laying out a web page and grouping elements together).
• attributes— extra information describing an HTML element
  • id— a unique identifier for an element (CSS selector: #elementId).
  • class— a label for an element to distinguish it from other elements (CSS selector: .className).

<section id="using-css" class="is-collapsible"> ... </section>

Content elements

• h1, h2, h3— first, second, and third level headings (page and section titles).
• p— a container for text (short for 'paragraph' but can be any block of text).
• span, mark, strong, em— selection of text within a larger block to highlight, emphasize, or modify it.
• ul— conatiner for an unordered (bulleted) list
  • li— individual list items in a list.
• img— an element for displaying images

Sectioning elements

• header— a container for the header of a web page or of a section on a web page.
• section— a container to group together related content and elements.
• main— a container for the main content of a web page.

---

CSS

Concepts

• rule— styling that is applied to an element.
• class— styling that is applied to elements with a specified class, e.g.:

.dark {
  background-color: darkslategrey;
  color: white;
}

Selectors

• element type— the name of the element (syntax: elementName, e.g.: h2, section)
• id— a unique identifier for an element (syntax: #elementId).
• class— a label for an element to distinguish it from other elements (syntax: .className).
• descendant— an element contained inside another element (syntax: parentElement descendantElement), e.g.:
  • section header— selects header elements that are inside section elements.