\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{Mon. (Monz gomz)} \pdfinfo{ /Title (functions-in-js.pdf) /Creator (Cheatography) /Author (Mon. (Monz gomz)) /Subject (Functions in JS 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}{69913C} \definecolor{LightBackground}{HTML}{F5F8F2} \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{Functions in JS Cheat Sheet}}}} \\ \normalsize{by \textcolor{DarkBackground}{Mon. (Monz gomz)} via \textcolor{DarkBackground}{\uline{cheatography.com/64672/cs/34604/}}} \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}Mon. (Monz gomz) \\ \uline{cheatography.com/monz-gomz} \\ \end{tabulary} \vfill \columnbreak \begin{tabulary}{5.8cm}{L} \SetRowColor{FootBackground} \mymulticolumn{1}{p{5.377cm}}{\bf\textcolor{white}{Cheat Sheet}} \\ \vspace{-2pt}Published 11th October, 2022.\\ Updated 11th October, 2022.\\ 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*}{2} \begin{tabularx}{8.4cm}{X} \SetRowColor{DarkBackground} \mymulticolumn{1}{x{8.4cm}}{\bf\textcolor{white}{Regular Functions}} \tn \SetRowColor{LightBackground} \mymulticolumn{1}{x{8.4cm}}{{\bf{function f()}}\{ \newline //returns undefined \newline \}} \tn \hhline{>{\arrayrulecolor{DarkBackground}}-} \SetRowColor{LightBackground} \mymulticolumn{1}{x{8.4cm}}{Function regular sin retorno} \tn \hhline{>{\arrayrulecolor{DarkBackground}}-} \end{tabularx} \par\addvspace{1.3em} \begin{tabularx}{8.4cm}{X} \SetRowColor{DarkBackground} \mymulticolumn{1}{x{8.4cm}}{\bf\textcolor{white}{Regular function with return keyword.}} \tn \SetRowColor{LightBackground} \mymulticolumn{1}{x{8.4cm}}{function f()\{ \newline return true; \newline \}} \tn \hhline{>{\arrayrulecolor{DarkBackground}}-} \end{tabularx} \par\addvspace{1.3em} \begin{tabularx}{8.4cm}{X} \SetRowColor{DarkBackground} \mymulticolumn{1}{x{8.4cm}}{\bf\textcolor{white}{Single parameter and return value}} \tn \SetRowColor{LightBackground} \mymulticolumn{1}{x{8.4cm}}{function f(name)\{ \newline return name.toUpperCase(); \newline \}} \tn \hhline{>{\arrayrulecolor{DarkBackground}}-} \end{tabularx} \par\addvspace{1.3em} \begin{tabularx}{8.4cm}{X} \SetRowColor{DarkBackground} \mymulticolumn{1}{x{8.4cm}}{\bf\textcolor{white}{Multiple parameters and default values.}} \tn \SetRowColor{LightBackground} \mymulticolumn{1}{x{8.4cm}}{function f(isAlive=true, department=42)\{ \newline return true; \newline \}} \tn \hhline{>{\arrayrulecolor{DarkBackground}}-} \end{tabularx} \par\addvspace{1.3em} \begin{tabularx}{8.4cm}{X} \SetRowColor{DarkBackground} \mymulticolumn{1}{x{8.4cm}}{\bf\textcolor{white}{IIFE that accepts parameters}} \tn \SetRowColor{LightBackground} \mymulticolumn{1}{x{8.4cm}}{(function f(name, message)\{ \newline console.log(`\$\{name\} says \$\{message\}`); \newline \})('Sheldon', 'Bazinga');} \tn \hhline{>{\arrayrulecolor{DarkBackground}}-} \end{tabularx} \par\addvspace{1.3em} \begin{tabularx}{8.4cm}{X} \SetRowColor{DarkBackground} \mymulticolumn{1}{x{8.4cm}}{\bf\textcolor{white}{function returning an object}} \tn \SetRowColor{LightBackground} \mymulticolumn{1}{x{8.4cm}}{function f()\{ \newline return \{ \newline id: 123, \newline name: 'Steve' \newline \} \newline \} \newline \newline function f()\{ \newline return ( \newline \{ \newline id: 123, \newline name: 'Steve' \newline \} \newline ) \newline \}} \tn \hhline{>{\arrayrulecolor{DarkBackground}}-} \end{tabularx} \par\addvspace{1.3em} \begin{tabularx}{8.4cm}{X} \SetRowColor{DarkBackground} \mymulticolumn{1}{x{8.4cm}}{\bf\textcolor{white}{Destructuring an object as a parameter}} \tn \SetRowColor{LightBackground} \mymulticolumn{1}{x{8.4cm}}{function f(\{id, name\})\{ \newline //id and name are now local variables inside this function \newline \} \newline \newline let myObj = \{ \newline id: 123, \newline name: 'Steve' \newline \} \newline f(myObj);} \tn \hhline{>{\arrayrulecolor{DarkBackground}}-} \end{tabularx} \par\addvspace{1.3em} \begin{tabularx}{8.4cm}{X} \SetRowColor{DarkBackground} \mymulticolumn{1}{x{8.4cm}}{\bf\textcolor{white}{Arrow functions}} \tn \SetRowColor{LightBackground} \mymulticolumn{1}{x{8.4cm}}{{\bf{const f = () }}=\textgreater{}\{ \newline //returns undefined \newline \}} \tn \hhline{>{\arrayrulecolor{DarkBackground}}-} \SetRowColor{LightBackground} \mymulticolumn{1}{x{8.4cm}}{Arrow sin retorno} \tn \hhline{>{\arrayrulecolor{DarkBackground}}-} \end{tabularx} \par\addvspace{1.3em} \begin{tabularx}{8.4cm}{X} \SetRowColor{DarkBackground} \mymulticolumn{1}{x{8.4cm}}{\bf\textcolor{white}{Arrow function with return keyword}} \tn \SetRowColor{LightBackground} \mymulticolumn{1}{x{8.4cm}}{const f = () =\textgreater{} \{ \newline return true; \newline \} \newline \newline const f = () =\textgreater{} true;} \tn \hhline{>{\arrayrulecolor{DarkBackground}}-} \end{tabularx} \par\addvspace{1.3em} \begin{tabularx}{8.4cm}{X} \SetRowColor{DarkBackground} \mymulticolumn{1}{x{8.4cm}}{\bf\textcolor{white}{Single parameter and return value}} \tn \SetRowColor{LightBackground} \mymulticolumn{1}{x{8.4cm}}{const f = name =\textgreater{} \{ \newline return name.toUpperCase(); \newline \} \newline \newline const f = name =\textgreater{} name.toUpperCase();} \tn \hhline{>{\arrayrulecolor{DarkBackground}}-} \end{tabularx} \par\addvspace{1.3em} \begin{tabularx}{8.4cm}{X} \SetRowColor{DarkBackground} \mymulticolumn{1}{x{8.4cm}}{\bf\textcolor{white}{Multiple parameters and default values.}} \tn \SetRowColor{LightBackground} \mymulticolumn{1}{x{8.4cm}}{const f = (isAlive=true, department=42) =\textgreater{} true;} \tn \hhline{>{\arrayrulecolor{DarkBackground}}-} \end{tabularx} \par\addvspace{1.3em} \begin{tabularx}{8.4cm}{X} \SetRowColor{DarkBackground} \mymulticolumn{1}{x{8.4cm}}{\bf\textcolor{white}{Arrow IIFE that accepts parameters}} \tn \SetRowColor{LightBackground} \mymulticolumn{1}{x{8.4cm}}{((name, message)=\textgreater{}\{ \newline console.log(`\$\{name\} says \$\{message\}`); \newline \})('Sheldon', 'Bazinga');} \tn \hhline{>{\arrayrulecolor{DarkBackground}}-} \end{tabularx} \par\addvspace{1.3em} \begin{tabularx}{8.4cm}{X} \SetRowColor{DarkBackground} \mymulticolumn{1}{x{8.4cm}}{\bf\textcolor{white}{Arrow function returning an object.}} \tn \SetRowColor{LightBackground} \mymulticolumn{1}{x{8.4cm}}{const f = () =\textgreater{}\{ \newline return \{ \newline id: 123, \newline name: 'Steve' \newline \} \newline \} \newline \newline const f = () =\textgreater{}( \{ id: 123, name: 'Steve' \} );} \tn \hhline{>{\arrayrulecolor{DarkBackground}}-} \end{tabularx} \par\addvspace{1.3em} \begin{tabularx}{8.4cm}{X} \SetRowColor{DarkBackground} \mymulticolumn{1}{x{8.4cm}}{\bf\textcolor{white}{Arrow destructuring an object as a parameter}} \tn \SetRowColor{LightBackground} \mymulticolumn{1}{x{8.4cm}}{const f = (\{id, name\}) =\textgreater{}\{ \newline //id and name are now local variables inside this function \newline \} \newline \newline let myObj = \{ \newline id: 123, \newline name: 'Steve' \newline \} \newline f(myObj);} \tn \hhline{>{\arrayrulecolor{DarkBackground}}-} \end{tabularx} \par\addvspace{1.3em} % That's all folks \end{multicols*} \end{document}