\documentclass[10pt,a4paper]{article}

% Packages
\usepackage{fancyhdr}           % For header and footer
\usepackage{multicol}           % Allows multicols in tables
\usepackage{tabularx}           % Intelligent column widths
\usepackage{tabulary}           % Used in header and footer
\usepackage{hhline}             % Border under tables
\usepackage{graphicx}           % For images
\usepackage{xcolor}             % For hex colours
%\usepackage[utf8x]{inputenc}    % For unicode character support
\usepackage[T1]{fontenc}        % Without this we get weird character replacements
\usepackage{colortbl}           % For coloured tables
\usepackage{setspace}           % For line height
\usepackage{lastpage}           % Needed for total page number
\usepackage{seqsplit}           % Splits long words.
%\usepackage{opensans}          % Can't make this work so far. Shame. Would be lovely.
\usepackage[normalem]{ulem}     % For underlining links
% Most of the following are not required for the majority
% of cheat sheets but are needed for some symbol support.
\usepackage{amsmath}            % Symbols
\usepackage{MnSymbol}           % Symbols
\usepackage{wasysym}            % Symbols
%\usepackage[english,german,french,spanish,italian]{babel}              % Languages

% Document Info
\author{dwapi}
\pdfinfo{
  /Title (jquery-and-javascript-ajax-quick-reference.pdf)
  /Creator (Cheatography)
  /Author (dwapi)
  /Subject (JQuery and JavaScript Ajax Quick Reference Cheat Sheet)
}

% Lengths and widths
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\addtolength{\textheight}{-1cm}
\addtolength{\hoffset}{-3cm}
\addtolength{\voffset}{-2cm}
\setlength{\tabcolsep}{0.2cm} % Space between columns
\setlength{\headsep}{-12pt} % Reduce space between header and content
\setlength{\headheight}{85pt} % If less, LaTeX automatically increases it
\renewcommand{\footrulewidth}{0pt} % Remove footer line
\renewcommand{\headrulewidth}{0pt} % Remove header line
\renewcommand{\seqinsert}{\ifmmode\allowbreak\else\-\fi} % Hyphens in seqsplit
% This two commands together give roughly
% the right line height in the tables
\renewcommand{\arraystretch}{1.3}
\onehalfspacing

% Commands
\newcommand{\SetRowColor}[1]{\noalign{\gdef\RowColorName{#1}}\rowcolor{\RowColorName}} % Shortcut for row colour
\newcommand{\mymulticolumn}[3]{\multicolumn{#1}{>{\columncolor{\RowColorName}}#2}{#3}} % For coloured multi-cols
\newcolumntype{x}[1]{>{\raggedright}p{#1}} % New column types for ragged-right paragraph columns
\newcommand{\tn}{\tabularnewline} % Required as custom column type in use

% Font and Colours
\definecolor{HeadBackground}{HTML}{333333}
\definecolor{FootBackground}{HTML}{666666}
\definecolor{TextColor}{HTML}{333333}
\definecolor{DarkBackground}{HTML}{05750D}
\definecolor{LightBackground}{HTML}{F7FAF7}
\renewcommand{\familydefault}{\sfdefault}
\color{TextColor}

% Header and Footer
\pagestyle{fancy}
\fancyhead{} % Set header to blank
\fancyfoot{} % Set footer to blank
\fancyhead[L]{
\noindent
\begin{multicols}{3}
\begin{tabulary}{5.8cm}{C}
    \SetRowColor{DarkBackground}
    \vspace{-7pt}
    {\parbox{\dimexpr\textwidth-2\fboxsep\relax}{\noindent
        \hspace*{-6pt}\includegraphics[width=5.8cm]{/web/www.cheatography.com/public/images/cheatography_logo.pdf}}
    }
\end{tabulary}
\columnbreak
\begin{tabulary}{11cm}{L}
    \vspace{-2pt}\large{\bf{\textcolor{DarkBackground}{\textrm{JQuery and JavaScript Ajax Quick Reference Cheat Sheet}}}} \\
    \normalsize{by \textcolor{DarkBackground}{dwapi} via \textcolor{DarkBackground}{\uline{cheatography.com/43665/cs/13123/}}}
\end{tabulary}
\end{multicols}}

\fancyfoot[L]{ \footnotesize
\noindent
\begin{multicols}{3}
\begin{tabulary}{5.8cm}{LL}
  \SetRowColor{FootBackground}
  \mymulticolumn{2}{p{5.377cm}}{\bf\textcolor{white}{Cheatographer}}  \\
  \vspace{-2pt}dwapi \\
  \uline{cheatography.com/dwapi} \\
  \end{tabulary}
\vfill
\columnbreak
\begin{tabulary}{5.8cm}{L}
  \SetRowColor{FootBackground}
  \mymulticolumn{1}{p{5.377cm}}{\bf\textcolor{white}{Cheat Sheet}}  \\
   \vspace{-2pt}Not Yet Published.\\
   Updated 13th October, 2017.\\
   Page {\thepage} of \pageref{LastPage}.
\end{tabulary}
\vfill
\columnbreak
\begin{tabulary}{5.8cm}{L}
  \SetRowColor{FootBackground}
  \mymulticolumn{1}{p{5.377cm}}{\bf\textcolor{white}{Sponsor}}  \\
  \SetRowColor{white}
  \vspace{-5pt}
  %\includegraphics[width=48px,height=48px]{dave.jpeg}
  Measure your website readability!\\
  www.readability-score.com
\end{tabulary}
\end{multicols}}




\begin{document}
\raggedright
\raggedcolumns

% Set font size to small. Switch to any value
% from this page to resize cheat sheet text:
% www.emerson.emory.edu/services/latex/latex_169.html
\footnotesize % Small font.


\begin{tabularx}{17.67cm}{x{8.635 cm} x{8.635 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{17.67cm}}{\bf\textcolor{white}{Typical Ajax Call}}  \tn
% Row 0
\SetRowColor{LightBackground}
`\$.ajax(\{ ~// \$.post, \$.get and \$.getJson are preferred \{\{nl\}\}  ~ ~url: "demo\_test.txt",\{\{nl\}\} ~ ~type: "GET or POST",\{\{nl\}\} ~ ~contentType: \seqsplit{"application/x-www-form-urlencoded"},\{\{nl\}\} ~ ~contentType: "application/json"\{\{nl\}\} ~ ~complete(xhr,status),\{\{nl\}\} ~ ~error(xhr,status,error),\{\{nl\}\} ~ ~success: function(result,status,xhr)\{\{\{nl\}\} ~ ~~ ~  \$("\#div1").html(result);\{\{nl\}\} ~ ~ \}\{\{nl\}\}  \});` & `var xhttp = new XMLHttpRequest();\{\{nl\}\}  ~ ~ \seqsplit{xhttp.onreadystatechange} = function() \{ \{\{nl\}\}      ~ ~ ~ ~ // readyState 4 = request finished. response is ready \{\{nl\}\} ~ ~ ~ ~ if (this.readyState == 4 \&\& this.status == 200) \{ \{\{nl\}\} ~ ~ ~ ~ ~ ~ // Do Stuff \{\{nl\}\} ~ ~ ~ ~ \} \{\{nl\}\} ~ ~ \}; \{\{nl\}\} \seqsplit{xhttp.open("GET|POST"}, "url", true); \{\{nl\}\} // var data = JSON.stringify(\{"email": "hey@mail.com", "password": "101010"\}); \{\{nl\}\}xhttp.send(data\textasciicircum{} or "Query Params");` \tn 
% Row Count 29 (+ 29)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{17.67cm}{p{1.727 cm} p{1.727 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{17.67cm}}{\bf\textcolor{white}{JQuery AJAX GET POST getJSON Shorthand}}  \tn
% Row 0
\SetRowColor{LightBackground}
\mymulticolumn{2}{x{17.67cm}}{`var request = \$.get( ~ ~ // Also \$.post or \$.getJSON \{\{nl\}\} ~ ~ "example.php", \{\{nl\}\} ~ ~ \{ time: "2pm", color: "red", "choices{[}{]}": {[}"Jon", "Susan"{]} \}, \{\{nl\}\} ~ ~ function(data, textStatus, jqXHR) \{ \{\{nl\}\} ~ ~ ~ ~ alert( "success" ); \{\{nl\}\} ~ ~ \}).done(function(data, textStatus, jqXHR) \{ \{\{nl\}\} ~ ~ ~ ~ alert( "second success" ); \{\{nl\}\} ~ ~ \}).fail(function(data, textStatus) \{ \{\{nl\}\} ~ ~ ~ ~ alert( "error" ); \{\{nl\}\} ~ ~ \}).always(function(data, textStatus, jqXHR) \{ \{\{nl\}\} ~ ~ ~ ~ alert( "finished" ); \{\{nl\}\} ~ ~ \});`} \tn 
% Row Count 14 (+ 14)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\SetRowColor{LightBackground}
\mymulticolumn{2}{x{17.67cm}}{\$.post form data can be serialized with: \$( "\#myform" ).serialize() \newline QueryString params for \$.get can be generated (from a hash) with \$.param( myHash )}  \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{17.67cm}{x{8.4623 cm} x{8.8077 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{17.67cm}}{\bf\textcolor{white}{Loading Scripts and Remote Page Fragments}}  \tn
% Row 0
\SetRowColor{LightBackground}
\seqsplit{\$("\#myDiv").load("demo\_test.txt");} & loads the content of the file "demo\_test.txt" into \#myDiv element \tn 
% Row Count 4 (+ 4)
% Row 1
\SetRowColor{white}
\seqsplit{\$("\#myDiv").load("demo\_test.txt} \#p1"); & Parses DOM from demo\_test.txt for \#p1 and loads content of \#p1 into \#myDiv \tn 
% Row Count 8 (+ 4)
% Row 2
\SetRowColor{LightBackground}
\seqsplit{\$.getScript("demo\_ajax\_script.js");} & Load a JavaScript file from the server using a GET HTTP request, then execute it. \tn 
% Row Count 13 (+ 5)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{17.67cm}{x{6.0445 cm} x{11.2255 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{17.67cm}}{\bf\textcolor{white}{JQuery Low Level Interface}}  \tn
% Row 0
\SetRowColor{LightBackground}
\seqsplit{\$.ajaxPrefilter()} & Handle custom Ajax options or modify existing options before each request is sent and before they are processed by \$.ajax() \tn 
% Row Count 5 (+ 5)
% Row 1
\SetRowColor{white}
\seqsplit{jQuery.ajaxSetup()} & Set global default values for future Ajax requests. {\bf{Its use is not recommended.}} \tn 
% Row Count 9 (+ 4)
% Row 2
\SetRowColor{LightBackground}
\seqsplit{jQuery.ajaxTransport()} & Creates an object that handles the actual transmission of Ajax data \tn 
% Row Count 12 (+ 3)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}



\end{document}