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HTML Cheat Sheet

Common Tags

tag attributes example description
<link> href, rel <link href=“./folder/file” rel= stylesheet / > to link stylesheets, fonts...
<img> src, alt <img src=“./folder/img” alt="My personal logo" / > to add pictures
<a> href, target <a href="https://www.example.com" target=_blank>Click!< /a> to link to ext./int. pages...
<br> href, rel HTML<br>Common Tags to insert a line break
<span> generics <span>Hello!< /span> it’s an inline element
<div> generics <div> < /div> it’s a block element
<button> type <button name=“favorite” type=“button”>Like< /button> needs an tag
<ul>, <ol>, <li> type <ul type=“square”><li>< /li><li>< /li>< /ul> list of items...
<video> src, autoplay, poster <video src="videofile.ogg" autoplay poster="image.
jpg">Tu navegador no admite el elemento.< /video>
to add a video form local or ext.

Tables

tag attributes description
<table> - table
<tr> - table row
<th> rowspan, colspan table header cell
<td> rowspan, colspan table data / cell
<thead> - group of header contents
<tbody> - group of body contents
<tfootv> - group of footer contents
<colgroup> - group of columns
<col> - column in a colgroup
<caption> - table caption
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CSS Cheat Sheet

basic selectors grouping selectors combinators pseudo
universal selector
syntax: * ns|* *|* example: * will match all the elements of the document.
selector list
syntax: A, B Example: div, span will match both <span> and <div> elements.
descendant combinator
syntax: A B Example: div span will match all elements that are inside a <div> element.< /span>
pseudo classes
the : pseudo allow the selection of elements based on state information that is not contained in the document tree. Example: a:visited will match all <a> elements that have been visited by the user.
type selector
syntax: * ns|* *|* example: * will match all the elements of the document.
child combinator
syntax: A > B Example: ul > li will match all li elements that are nested directly inside a ul element.
paseudo elements
the :: pseudo represent entities that are not included in HTML. Example: p::first-line will match the first line of all p elements.
class selector
syntax: .classname Example: .index will match any element that has a class of "index".
general sibling combinator
syntax: A ~ B Example: p ~ span will match all span elements that follow a p, immediately or not.
id selector
syntax: #idname Example: #toc will match the element that has the ID "toc".
adjacent sibling combinator
syntax: A || B Example: col || td will match all td elements that belong to the scope of the col.
attribute selector
syntax: [attr] [attr=value] [attr~=value] [attr|=value] [attr^=value] [attr$=value] [attr*=value] Example: [autoplay] will match all elements that have the autoplay attribute set (to any value).
column combinator
Syntax: A || B Example: col || td will match all td elements that belong to the scope of the col.


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JavaScript Cheat Sheet

coming soon!🎈