reading-notes

Code Fellows 201

HTML Text Fundamentals. HTML Advanced Text Formatting.

we rely on previous experience to tell us what the function of an everyday object is; when we see something, we know what its function will be.

There are six heading elements: <h1>, <h2>, <h3>, <h4>, <h5>, and <h6>. Each element represents a different level of content in the document; <h1> represents the main heading, <h2> represents subheadings, <h3> represents sub-subheadings, and so on.

You will occasionally need to use superscript and subscript when marking up items like dates, chemical formulae, and mathematical equations so they have the correct meaning.

If providing the expansion in addition to the abbreviation makes little sense, and the abbreviation or acronym is a fairly shortened term, provide the full expansion of the term as the value of title attribute

External stylesheet An external stylesheet contains CSS in a separate file with a .css extension. This is the most common and useful method of bringing CSS to a document. You can link a single CSS file to multiple web pages, styling all of them with the same CSS stylesheet. In the Getting started with CSS, we linked an external stylesheet to our web page.

You reference an external CSS stylesheet from an HTML <link> element:

Internal stylesheet An internal stylesheet resides within an HTML document. To create an internal stylesheet, you place CSS inside a <style> element contained inside the HTML <head>.
Inline styles Inline styles are CSS declarations that affect a single HTML element, contained within a style attribute.

It is the opposite of a best practice. First, it is the least efficient implementation of CSS for maintenance. One styling change might require multiple edits within a single web page. Second, inline CSS also mixes (CSS) presentational code with HTML and content, making everything more difficult to read and understand. Separating code and content makes maintenance easier for all who work on the website.
There are a few circumstances where inline styles are more common. You might have to resort to using inline styles if your working environment is very restrictive. For example, perhaps your CMS only allows you to edit the HTML body. You may also see a lot of inline styles in HTML email to achieve compatibility with as many email clients as possible.

h2 { color: black; padding: 5px; }

Continue reading JavaScript Basics. Start at “Comments” and read through “Events” section.

Addition Add two numbers together or combine two strings. +
Subtraction, Multiplication, Division These do what you’d expect them to do in basic math. -, *, /
Assignment As you’ve seen already: this assigns a value to a variable. =
Strict equality This performs a test to see if two values are equal. It returns a true/false (Boolean) result. ===
Not, Does-not-equal This returns the logically opposite value of what it precedes. It turns a true into a false, etc.. When it is used alongside the Equality operator, the negation operator tests whether two values are not equal. !, !==

Making Decisions In Your Code – Conditionals.

An if statement checks a EXPRESSION and if it evaluates to TRUE, then the code block will execute.

The expression inside the if () is the test. This uses the strict equality operator (as described above) to compare the variable iceCream with the string chocolate to see if the two are equal. If this comparison returns true, the first block of code runs. If the comparison is not true, the second block of code—after the else statement—runs instead.

=== and !== — test if one value is identical to, or not identical to, another.
< and > — test if one value is less than or greater than another.
<= and >= — test if one value is less than or equal to, or greater than or equal to, another.

Bookmark and Review https://chris.beams.io/posts/git-commit/