- markup :These tags provide extra meaning and allow browsers to show users the appropriate structure for the page.
- Structural markup: the elements that you can use to describe both headings and paragraphs
- Semantic markup: which provides extra information; such as where emphasis is placed in a sentence, that something you have written is a quotation (and who said it), the meaning of acronyms, and so on.
- Headings :
<h1>,<h2>,<h3>,<h4>,<h5>,<h6> - Paragraphs :
<p></p> - Bold :
<b></b> - Italic :
<i></i> - Superscript :
<sup></sup>: E=MC2 - Subscript:
<sub></sub>: CO2<br />: showeach new paragraph or heading on a new line.<hr />: add a horizontal rule between sections using the<hr />tag.<strong>indicates that its content has strong importance.
<em> element indicatesemphasis that subtly changesthe meaning of a sentence.
<blockquote> element isused for longer quotes that takeup an entire paragraph.
<q> element is used forshorter quotes that sit withina paragraph.
<abbr>element can be used If you use an abbreviation oran acronym .
<cite> element can be usedto indicate where the citation isfrom.
<dfn> The element is used to indicate the defining instance of a new term.
<address> element has quite a specific use: to contain contact details for the author of the page.
<ins> element can be used to show content that has been inserted into a document, while
<del> element can show text that has been deleted from it.
<s> element indicates something that is no longer accurate or relevant (but that should not be deleted).
<link> element can be used in an HTML document to tell the browser where to find the CSS file used to style the page.
href This specifies the path to the CSS file
Universal Selector * {}
Type Selector h1, h2, h3 {}
Cl ass Selector.note {}
ID Selector #introduction {}
Child Selector li>a {}
Descendant Selector p a {}
Adjacent Sibling Selectorh1+p {}
General Sibling Selector h1~p {}
- A script is made up of a series of statements. Each statement is like a step in a recipe.
<script></script> - Scripts contain very precise instructions. For example, you might specify that a value must be remembered creating a calculation using that value.
- Variables are used to temporarily store pieces of information used in the script.
- Arrays are special types of variables that store more than one piece of related information. JavaScript distinguishes between numbers (0-9), strings (text), and Boolean values (true or false).
- Expressions evaluate into a single value.
- Expressions rely on operators to calculate a value.