\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{maiaj}
\pdfinfo{
  /Title (javascript.pdf)
  /Creator (Cheatography)
  /Author (maiaj)
  /Subject (JavaScript 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}{5B60F0}
\definecolor{LightBackground}{HTML}{F4F5FE}
\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}{maiaj} via \textcolor{DarkBackground}{\uline{cheatography.com/174800/cs/36723/}}}
\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}maiaj \\
  \uline{cheatography.com/maiaj} \\
  \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 26th January, 2023.\\
   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}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{17.67cm}}{\bf\textcolor{white}{The language itself}}  \tn
\SetRowColor{white}
\mymulticolumn{1}{x{17.67cm}}{JavaScript was created to make websites more interactive. \newline % Row Count 2 (+ 2)
It's an interpreted, weak and dynamic language. \newline % Row Count 3 (+ 1)
JavaScript a functionnal and object-oriented programming language. \newline % Row Count 5 (+ 2)
It is garbage collected and function arguments are always passed by value.% Row Count 7 (+ 2)
} \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{17.67cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{17.67cm}}{\bf\textcolor{white}{Language environnement}}  \tn
\SetRowColor{white}
\mymulticolumn{1}{x{17.67cm}}{JavaScript is a text-based language that does not need any conversion before being executed. \newline % Row Count 2 (+ 2)
It is executed instantly by a type of program that interprets the code called a parser. \newline % Row Count 4 (+ 2)
To execute JavaScript in a browser you have two options — either put it inside a script element anywhere inside an HTML document, or put it inside an external JavaScript file (with a .js extension) and then reference that file inside the HTML document using an empty script element with a src attribute.It's also cross-platform.% Row Count 11 (+ 7)
} \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{17.67cm}{x{6.5626 cm} x{10.7074 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{17.67cm}}{\bf\textcolor{white}{Data Structure}}  \tn
% Row 0
\SetRowColor{LightBackground}
Array & Stack \tn 
% Row Count 1 (+ 1)
% Row 1
\SetRowColor{white}
Linked List & Queue \tn 
% Row Count 2 (+ 1)
% Row 2
\SetRowColor{LightBackground}
Binary Tree & Binary Search Tree \tn 
% Row Count 3 (+ 1)
% Row 3
\SetRowColor{white}
Heap & Hashing \tn 
% Row Count 4 (+ 1)
% Row 4
\SetRowColor{LightBackground}
\mymulticolumn{2}{x{17.67cm}}{Graph} \tn 
% Row Count 5 (+ 1)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{17.67cm}{x{2.9359 cm} x{14.3341 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{17.67cm}}{\bf\textcolor{white}{Loop}}  \tn
% Row 0
\SetRowColor{LightBackground}
for & loops through a block of code a number of times \tn 
% Row Count 2 (+ 2)
% Row 1
\SetRowColor{white}
\seqsplit{for/in} & loops through the properties of an object \tn 
% Row Count 4 (+ 2)
% Row 2
\SetRowColor{LightBackground}
\seqsplit{for/of} & loops through the values of an iterable object \tn 
% Row Count 6 (+ 2)
% Row 3
\SetRowColor{white}
while & loops through a block of code while a specified condition is true \tn 
% Row Count 8 (+ 2)
% Row 4
\SetRowColor{LightBackground}
\seqsplit{do/while} & also loops through a block of code while a specified condition is true \tn 
% Row Count 11 (+ 3)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{17.67cm}{x{4.4902 cm} x{12.7798 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{17.67cm}}{\bf\textcolor{white}{{\bf{Syntax and data structure}}}}  \tn
% Row 0
\SetRowColor{LightBackground}
\seqsplit{console.log(x)} & to print x \tn 
% Row Count 2 (+ 2)
% Row 1
\SetRowColor{white}
let x = ... & create a variable \tn 
% Row Count 4 (+ 2)
% Row 2
\SetRowColor{LightBackground}
const x & non mutable variable \tn 
% Row Count 5 (+ 1)
% Row 3
\SetRowColor{white}
typeof x & type of the variable \tn 
% Row Count 6 (+ 1)
% Row 4
\SetRowColor{LightBackground}
\mymulticolumn{2}{x{17.67cm}}{{\bf{ Conditions}}} \tn 
% Row Count 7 (+ 1)
% Row 5
\SetRowColor{white}
\mymulticolumn{2}{x{17.67cm}}{if(condition)} \tn 
% Row Count 8 (+ 1)
% Row 6
\SetRowColor{LightBackground}
\mymulticolumn{2}{x{17.67cm}}{if (condition) else} \tn 
% Row Count 9 (+ 1)
% Row 7
\SetRowColor{white}
\mymulticolumn{2}{x{17.67cm}}{if(condition) else if (another condition} \tn 
% Row Count 10 (+ 1)
% Row 8
\SetRowColor{LightBackground}
x == y & returns true if x and y are equal \tn 
% Row Count 12 (+ 2)
% Row 9
\SetRowColor{white}
x === y & returns true if x and y are identical \tn 
% Row Count 14 (+ 2)
% Row 10
\SetRowColor{LightBackground}
x!=y & Returns true if x and y are not equal \tn 
% Row Count 16 (+ 2)
% Row 11
\SetRowColor{white}
x !== y & Returns true if x and y are not identical \tn 
% Row Count 18 (+ 2)
% Row 12
\SetRowColor{LightBackground}
x\textgreater{}=y & Returns true if x is greater than or equal to y \tn 
% Row Count 20 (+ 2)
% Row 13
\SetRowColor{white}
x\textgreater{}y & Returns true if x is greater than  y \tn 
% Row Count 22 (+ 2)
% Row 14
\SetRowColor{LightBackground}
x\textless{}=y & Returns true if x is less than or equal to y \tn 
% Row Count 24 (+ 2)
% Row 15
\SetRowColor{white}
x\textless{}y & Returns true if x is less than y \tn 
% Row Count 26 (+ 2)
% Row 16
\SetRowColor{LightBackground}
x || y & Returns true if either x or y are true \tn 
% Row Count 28 (+ 2)
% Row 17
\SetRowColor{white}
x \&\& y & returns true if x and y are true \tn 
% Row Count 30 (+ 2)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{17.67cm}{x{7.4261 cm} x{9.8439 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{17.67cm}}{\bf\textcolor{white}{Functions/Methods}}  \tn
% Row 0
\SetRowColor{LightBackground}
function nameofyourfuction()\{\} & to call a fuction \tn 
% Row Count 2 (+ 2)
% Row 1
\SetRowColor{white}
push() & Appends new elements to the end of an array. \tn 
% Row Count 4 (+ 2)
% Row 2
\SetRowColor{LightBackground}
unshift() & Adds one or more items to the beginning of an array. \tn 
% Row Count 7 (+ 3)
% Row 3
\SetRowColor{white}
pop() & Removes the last item from the array \tn 
% Row Count 9 (+ 2)
% Row 4
\SetRowColor{LightBackground}
shif() & Removes the first item from the array \tn 
% Row Count 11 (+ 2)
% Row 5
\SetRowColor{white}
length() & number of elements in an array \tn 
% Row Count 13 (+ 2)
% Row 6
\SetRowColor{LightBackground}
sort() & Sort an array in place \tn 
% Row Count 14 (+ 1)
% Row 7
\SetRowColor{white}
reverse() & reverses an array \tn 
% Row Count 15 (+ 1)
% Row 8
\SetRowColor{LightBackground}
replace(a,b) & to replace a by b \tn 
% Row Count 16 (+ 1)
% Row 9
\SetRowColor{white}
split() & Split a string into substrings using the specified separator and return them as an array \tn 
% Row Count 20 (+ 4)
% Row 10
\SetRowColor{LightBackground}
toLowerCase() & Converts all the alphabetic characters in a string to lowercase. \tn 
% Row Count 23 (+ 3)
% Row 11
\SetRowColor{white}
splice() & change the contents of an array by removing or replacing existing elements and/or adding new elements \tn 
% Row Count 28 (+ 5)
% Row 12
\SetRowColor{LightBackground}
concat() & concatenates (joins) two or more arrays \tn 
% Row Count 30 (+ 2)
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{17.67cm}{x{7.4261 cm} x{9.8439 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{17.67cm}}{\bf\textcolor{white}{Functions/Methods (cont)}}  \tn
% Row 13
\SetRowColor{LightBackground}
join() & creates and returns a new string by concatenating all of the elements in an array \tn 
% Row Count 4 (+ 4)
% Row 14
\SetRowColor{white}
existsSync & Returns true if the path exists \tn 
% Row Count 6 (+ 2)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}



\end{document}