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# Notes
## Overview
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---
Aim of this document is to make notes of various things as I encounter them. Consider it learning from working through specific challenges or other exercises. Probably should be in a note app, or a wiki, or something, but for now they are here.
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Think of it as a combination of learning, and tips and tricks. They will start unorganised, and then should be put into some semblance of order; where that is possible.
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Note took far to long, but site now using main for branch.
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## The Notes Themselves (unorganised)
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---
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- Now little difference between `<input type="submit">` and `<button>`.
- It used to be the case that IE6 didn't properly support it, so your website would look broken.
- By default `<button>` implies `type="submit"`
- A `button` can have child elements, an `<input type="submit">` can't. (**verify**)
- When using `em` the increases are compound, so if you have a `p`, inside a `div`, inside `body`. The `body` font size is set in `px`. The `div` and `p` both set a font size using `em` to set a relative size, then that relative size would be
- in `div`: body font size \* font size em
- in `p`: div relative font size \* p's font size in em
- ```css
body {
font-size: 20px;
}
div {
font-size: 2em; /* font size is 40px */
}
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p {
font-size: 2em; /* font size in this div is now 80px */
}
```
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- Random aside: can't carry on a list after putting a codeblock inside a list
- Found useful site for Regex writing / testing https://regex101.com
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- this specific address has regex for email validation https://regex101.com/r/uP2oL7/1
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- CSS - The "!important" rule should only be used as a last resort - nuclear option
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- better to do elementName.className when wanting to temp add a class to override some css (like say a border color)
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- Blah ... its been a while. Oops.
## Articles
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- https://www.freecodecamp.org/news/how-to-use-the-position-property-in-css-to-align-elements-d8f49c403a26/
- https://thoughtbot.com/blog/transitions-and-transforms
- https://www.sitepoint.com/hide-elements-in-css/
- https://www.markheath.net/post/font-awesome-circle-background
- https://matthewjamestaylor.com/responsive-banner-ads
- https://uxengineer.com/padding-vs-margin/
- http://specificity.keegan.st/
- https://css-tricks.com/scaled-proportional-blocks-with-css-and-javascript/
- https://css-tricks.com/how-do-you-do-max-font-size-in-css/
- https://css-tricks.com/simplified-fluid-typography/
## Useful Links
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- http://www.heropatterns.com/ << Free repeatable background SVG's
- https://projects.verou.me/css3patterns/ << CSS3 Patterns Gallery
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## API's to test with
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- https://api.chucknorris.io/jokes/random
- https://jsonplaceholder.typicode.com/