\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{anumpatel}
\pdfinfo{
  /Title (javascript.pdf)
  /Creator (Cheatography)
  /Author (anumpatel)
  /Subject (JavaScript Cheat Sheet)
}

% Lengths and widths
\addtolength{\textwidth}{6cm}
\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}{38238C}
\definecolor{LightBackground}{HTML}{F2F1F7}
\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{JavaScript Cheat Sheet}}}} \\
    \normalsize{by \textcolor{DarkBackground}{anumpatel} via \textcolor{DarkBackground}{\uline{cheatography.com/19407/cs/2430/}}}
\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}anumpatel \\
  \uline{cheatography.com/anumpatel} \\
  \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 11th May, 2016.\\
   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{multicols*}{3}

\begin{tabularx}{5.377cm}{x{1.89126 cm} x{3.08574 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{Mouse Events}}  \tn
% Row 0
\SetRowColor{LightBackground}
{\bf{click}} & The click event is fired when a mouse button is {\emph{pressed and released}} on a single element. \tn 
% Row Count 4 (+ 4)
% Row 1
\SetRowColor{white}
{\bf{dblclick}} & The dblclick event is fired when  mouse button is {\emph{clicked twice}} on a single element. \tn 
% Row Count 8 (+ 4)
% Row 2
\SetRowColor{LightBackground}
\{\{nobreak\}\}{\bf{mousedown}} & The mousedown event is fired when a mouse button is {\emph{pressed }}on an element \tn 
% Row Count 12 (+ 4)
% Row 3
\SetRowColor{white}
{\bf{mousemove}} & The mousemove event is fired when a  mouse is {\emph{moved while over}} an element \tn 
% Row Count 16 (+ 4)
% Row 4
\SetRowColor{LightBackground}
{\bf{mouseover}} & The mouseover event is fired when a mouse is {\emph{moved onto the element}} that has the listener attached or onto one of its children. \tn 
% Row Count 22 (+ 6)
% Row 5
\SetRowColor{white}
{\bf{mouseout}} & The mouseout event is fired when a mouse is {\emph{moved off the element}} that has the listener attached or off one of its children. \tn 
% Row Count 28 (+ 6)
% Row 6
\SetRowColor{LightBackground}
{\bf{mouseup}} & The mouseup event is fired when a mouse button is {\emph{released over}} an element. \tn 
% Row Count 32 (+ 4)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{x{1.84149 cm} x{3.13551 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{Keyboard Events}}  \tn
% Row 0
\SetRowColor{LightBackground}
\{\{nobreak\}\}{\bf{keydown}} & The keydown event is fired when a {\emph{key is pressed down.}} \tn 
% Row Count 3 (+ 3)
% Row 1
\SetRowColor{white}
\{\{nobreak\}\}{\bf{keypress}} & The keypress event is fired when a key is {\emph{pressed down and that key normally produces a character value.}} \tn 
% Row Count 8 (+ 5)
% Row 2
\SetRowColor{LightBackground}
{\bf{keyup}} & The keyup event is fired when a {\emph{key is released.}} \tn 
% Row Count 10 (+ 2)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{x{1.19002 cm} x{1.69349 cm} x{1.69349 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{3}{x{5.377cm}}{\bf\textcolor{white}{Basic Objects}}  \tn
% Row 0
\SetRowColor{LightBackground}
{\bf{Array}} &  & {\bf{ Properties}} \tn 
% Row Count 2 (+ 2)
% Row 1
\SetRowColor{white}
\{\{nobreak\}\}{\bf{constructor}} & creates a new Function object. & \{\{nobreak\}\}`new Function ({[}arg1{[}, arg2{[}, ...argN{]}{]},{]} \seqsplit{functionBody)`} \tn 
% Row Count 7 (+ 5)
% Row 2
\SetRowColor{LightBackground}
{\bf{length}} & number of arguments expected by the function. & `console.log ( \seqsplit{Function.length} );` \tn 
% Row Count 11 (+ 4)
% Row 3
\SetRowColor{white}
{\bf{prototype}} & Prototype for the Array constructor. & \seqsplit{`Array.isArray(Array.prototype);`} \tn 
% Row Count 14 (+ 3)
% Row 4
\SetRowColor{LightBackground}
{\bf{Array}} &  & {\bf{ Methods}} \tn 
% Row Count 15 (+ 1)
% Row 5
\SetRowColor{white}
{\bf{concat()}} & returns a new array comprised of this array joined with other array(s) and/or value(s). & \seqsplit{`arr.concat(value1}, value2, ..., valueN)` \tn 
% Row Count 22 (+ 7)
% Row 6
\SetRowColor{LightBackground}
{\bf{indexof()}} & returns the first index at which a given element can be found in the array. & `arr.indexOf(searchElement{[}, fromIndex{]})` \tn 
% Row Count 28 (+ 6)
% Row 7
\SetRowColor{white}
{\bf{join()}} & joins all elements of an array into a string. & `str = \seqsplit{arr.join(separator)`} \tn 
% Row Count 32 (+ 4)
\end{tabularx}
\par\addvspace{1.3em}

\vfill
\columnbreak
\begin{tabularx}{5.377cm}{x{1.19002 cm} x{1.69349 cm} x{1.69349 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{3}{x{5.377cm}}{\bf\textcolor{white}{Basic Objects (cont)}}  \tn
% Row 8
\SetRowColor{LightBackground}
\{\{nobreak\}\}{\bf{lastindexof()}} & returns the last index at which a given element can be found in the array. & `array.lastIndexOf(searchElement{[}, fromIndex{]})` \tn 
% Row Count 6 (+ 6)
% Row 9
\SetRowColor{white}
{\bf{pop}} & removes the last element from an array & `arr.pop()` \tn 
% Row Count 9 (+ 3)
% Row 10
\SetRowColor{LightBackground}
{\bf{push()}} & adds one or more elements to the end of an array and returns the new length of the array. & \seqsplit{`arr.push(element1}, ..., elementN)` \tn 
% Row Count 16 (+ 7)
\hhline{>{\arrayrulecolor{DarkBackground}}---}
\end{tabularx}
\par\addvspace{1.3em}


% That's all folks
\end{multicols*}

\end{document}