\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{waay2kool4u}
\pdfinfo{
  /Title (javascript.pdf)
  /Creator (Cheatography)
  /Author (waay2kool4u)
  /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}{5BA142}
\definecolor{LightBackground}{HTML}{F4F9F3}
\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}{waay2kool4u} via \textcolor{DarkBackground}{\uline{cheatography.com/37275/cs/11707/}}}
\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}waay2kool4u \\
  \uline{cheatography.com/waay2kool4u} \\
  \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 5th May, 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{multicols*}{3}

\begin{tabularx}{5.377cm}{x{1.24425 cm} x{3.73275 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{String Object Methods}}  \tn
% Row 0
\SetRowColor{LightBackground}
{\bf{Method}} & {\bf{ Description}} \tn 
% Row Count 1 (+ 1)
% Row 1
\SetRowColor{white}
charAt() & Returns the character at the specified index \tn 
% Row Count 3 (+ 2)
% Row 2
\SetRowColor{LightBackground}
concat() & joins two or more strings, and returns a copy of the joined strings \tn 
% Row Count 6 (+ 3)
% Row 3
\SetRowColor{white}
indexOf() & returns the position of the first found occurence of a specified value in a string \tn 
% Row Count 9 (+ 3)
% Row 4
\SetRowColor{LightBackground}
\seqsplit{lastIndexOf()} & returns the position of the last found occurence of a specified value in a string \tn 
% Row Count 12 (+ 3)
% Row 5
\SetRowColor{white}
replace() & searches for a match between a substring (or regex) and a string, and replaces the matched substring with a new substring \tn 
% Row Count 17 (+ 5)
% Row 6
\SetRowColor{LightBackground}
search() & searches for a match between a regex and a string, and returns the position of the match \tn 
% Row Count 20 (+ 3)
% Row 7
\SetRowColor{white}
slice() & extracts a part of a string and returns a new string \tn 
% Row Count 22 (+ 2)
% Row 8
\SetRowColor{LightBackground}
split() & splits a string into an array of substrings \tn 
% Row Count 24 (+ 2)
% Row 9
\SetRowColor{white}
substr() & extracts the characters from a string, beginning at a specified start position, and through the specified number of character \tn 
% Row Count 29 (+ 5)
% Row 10
\SetRowColor{LightBackground}
\seqsplit{substring()} & extracts the characters from a string, between two specified indices \tn 
% Row Count 32 (+ 3)
\end{tabularx}
\par\addvspace{1.3em}

\vfill
\columnbreak
\begin{tabularx}{5.377cm}{x{1.24425 cm} x{3.73275 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{String Object Methods (cont)}}  \tn
% Row 11
\SetRowColor{LightBackground}
\seqsplit{toLowerCase()} & converts a string to lowercase letters \tn 
% Row Count 2 (+ 2)
% Row 12
\SetRowColor{white}
\seqsplit{toUpperCase()} & converts a string to uppercase letters \tn 
% Row Count 4 (+ 2)
% Row 13
\SetRowColor{LightBackground}
trim() & removes whitespace from both ends of a string \tn 
% Row Count 6 (+ 2)
% Row 14
\SetRowColor{white}
valueOf() & returns the primitive value of a String object \tn 
% Row Count 8 (+ 2)
% Row 15
\SetRowColor{LightBackground}
\seqsplit{toString()} & returns the value of a String object \tn 
% Row Count 10 (+ 2)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{x{1.24425 cm} x{3.73275 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{{\bf{Array Object Methods}}}}  \tn
% Row 0
\SetRowColor{LightBackground}
{\bf{Method}} & {\bf{ Description}} \tn 
% Row Count 1 (+ 1)
% Row 1
\SetRowColor{white}
concat() & joins two or more arrays, and returns a copy of the joined array \tn 
% Row Count 4 (+ 3)
% Row 2
\SetRowColor{LightBackground}
indexOf() & search the array for an element and returns its position \tn 
% Row Count 6 (+ 2)
% Row 3
\SetRowColor{white}
join() & joins all elements of an array into a string \tn 
% Row Count 8 (+ 2)
% Row 4
\SetRowColor{LightBackground}
\seqsplit{lastIndexOf()} & search the array for an element, starting at the end, and returns its position \tn 
% Row Count 11 (+ 3)
% Row 5
\SetRowColor{white}
pop() & removes the last element of an array, and returns that element \tn 
% Row Count 14 (+ 3)
% Row 6
\SetRowColor{LightBackground}
push() & adds new elements to the end of an array, and returns the new length \tn 
% Row Count 17 (+ 3)
% Row 7
\SetRowColor{white}
reverse() & reverses the order of the elements in an array \tn 
% Row Count 19 (+ 2)
% Row 8
\SetRowColor{LightBackground}
shift() & removes the first element of an array, and returns that element \tn 
% Row Count 22 (+ 3)
% Row 9
\SetRowColor{white}
sort() & sorts the elements of an array \tn 
% Row Count 23 (+ 1)
% Row 10
\SetRowColor{LightBackground}
\seqsplit{toString()} & converts an array to a string, and returns the result \tn 
% Row Count 25 (+ 2)
% Row 11
\SetRowColor{white}
valueOf() & returns the primitive value of an array \tn 
% Row Count 27 (+ 2)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}


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

\end{document}