\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{GATT0} \pdfinfo{ /Title (javascript-cheat-sheet.pdf) /Creator (Cheatography) /Author (GATT0) /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}{A3A3A3} \definecolor{LightBackground}{HTML}{F3F3F3} \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}{GATT0} via \textcolor{DarkBackground}{\uline{cheatography.com/195334/cs/40894/}}} \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}GATT0 \\ \uline{cheatography.com/gatt0} \\ \end{tabulary} \vfill \columnbreak \begin{tabulary}{5.8cm}{L} \SetRowColor{FootBackground} \mymulticolumn{1}{p{5.377cm}}{\bf\textcolor{white}{Cheat Sheet}} \\ \vspace{-2pt}Published 18th October, 2023.\\ Updated 18th October, 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{multicols*}{3} \begin{tabularx}{5.377cm}{X} \SetRowColor{DarkBackground} \mymulticolumn{1}{x{5.377cm}}{\bf\textcolor{white}{Array}} \tn \SetRowColor{white} \mymulticolumn{1}{x{5.377cm}}{{\bf{Declaration and initialization}} \newline % Row Count 1 (+ 1) `let array = {[}'cat', 'dog', 'fish'{]};` \newline % Row Count 2 (+ 1) `let array2 = new Array(3);` \newline % Row Count 3 (+ 1) {\bf{Adding an element}} \newline % Row Count 4 (+ 1) `array{[}3{]} = 'dog';` \newline % Row Count 5 (+ 1) {\bf{Setting a value}} \newline % Row Count 6 (+ 1) `array{[}1{]} = 'cat';` \newline % Row Count 7 (+ 1) {\bf{Deleting an element}} \newline % Row Count 8 (+ 1) `delete array{[}3{]};` \newline % Row Count 9 (+ 1) {\bf{Looping}} \newline % Row Count 10 (+ 1) \seqsplit{`array.forEach(function(item)} \{` \newline % Row Count 11 (+ 1) ` console.log(item);` \newline % Row Count 12 (+ 1) `\}` \newline % Row Count 13 (+ 1) {\bf{Checking existence of a value}} \newline % Row Count 14 (+ 1) `array.include('cat');`% Row Count 15 (+ 1) } \tn \hhline{>{\arrayrulecolor{DarkBackground}}-} \end{tabularx} \par\addvspace{1.3em} \begin{tabularx}{5.377cm}{X} \SetRowColor{DarkBackground} \mymulticolumn{1}{x{5.377cm}}{\bf\textcolor{white}{Dictionary}} \tn \SetRowColor{white} \mymulticolumn{1}{x{5.377cm}}{{\bf{Creation}} \newline % Row Count 1 (+ 1) `let dict = new Dictionary();` \newline % Row Count 2 (+ 1) {\bf{Adding an key-value pair}} \newline % Row Count 3 (+ 1) `dict.add('cat', 10);` \newline % Row Count 4 (+ 1) {\bf{Setting a value for a key}} \newline % Row Count 5 (+ 1) `dict.set('percentage', 5.10);` \newline % Row Count 6 (+ 1) {\bf{Removing a key}} \newline % Row Count 7 (+ 1) \seqsplit{`dict.remove('percentage');`} \newline % Row Count 8 (+ 1) {\bf{Checking existence of a key}} \newline % Row Count 9 (+ 1) \seqsplit{`dict.hasKey('frequency');`} \newline % Row Count 10 (+ 1) {\bf{Checking existence of a value}} \newline % Row Count 11 (+ 1) `dict.hasValue(10);`% Row Count 12 (+ 1) } \tn \hhline{>{\arrayrulecolor{DarkBackground}}-} \end{tabularx} \par\addvspace{1.3em} \begin{tabularx}{5.377cm}{X} \SetRowColor{DarkBackground} \mymulticolumn{1}{x{5.377cm}}{\bf\textcolor{white}{HashSet}} \tn \SetRowColor{white} \mymulticolumn{1}{x{5.377cm}}{{\bf{Creation}} \newline % Row Count 1 (+ 1) `let hashset = new HashSet();` \newline % Row Count 2 (+ 1) {\bf{Adding an element}} \newline % Row Count 3 (+ 1) `hashset.add(1);` \newline % Row Count 4 (+ 1) {\bf{Removing an element}} \newline % Row Count 5 (+ 1) `hashset.delete(1);` \newline % Row Count 6 (+ 1) {\bf{Checking the existence of an element}} \newline % Row Count 7 (+ 1) `hashset.has(3);` \newline % Row Count 8 (+ 1) {\bf{Looping}} \newline % Row Count 9 (+ 1) `let keys = hashset.values();` \newline % Row Count 10 (+ 1) `for(let i = 0; i \textless{} keys.length; i++)\{` \newline % Row Count 11 (+ 1) ` console.log(keys{[}i{]});` \newline % Row Count 12 (+ 1) `\}`% Row Count 13 (+ 1) } \tn \hhline{>{\arrayrulecolor{DarkBackground}}-} \end{tabularx} \par\addvspace{1.3em} \begin{tabularx}{5.377cm}{X} \SetRowColor{DarkBackground} \mymulticolumn{1}{x{5.377cm}}{\bf\textcolor{white}{List}} \tn \SetRowColor{white} \mymulticolumn{1}{x{5.377cm}}{{\bf{Creation}} \newline % Row Count 1 (+ 1) `const list = new List();` \newline % Row Count 2 (+ 1) {\bf{Adding an element}} \newline % Row Count 3 (+ 1) `list.add(1);` \newline % Row Count 4 (+ 1) `list.addAtHead(0);` \newline % Row Count 5 (+ 1) {\bf{Removing an element}} \newline % Row Count 6 (+ 1) `list.remove(2);` \newline % Row Count 7 (+ 1) {\bf{Setting a value}} \newline % Row Count 8 (+ 1) `list.set(0, 251);` \newline % Row Count 9 (+ 1) {\bf{Checking existence of a value}} \newline % Row Count 10 (+ 1) `list.contains(1);` \newline % Row Count 11 (+ 1) {\bf{Looping}} \newline % Row Count 12 (+ 1) `for(let i = 0; i \textless{} list.size(); i++)\{` \newline % Row Count 13 (+ 1) ` \seqsplit{console.log(list.get(i));`} \newline % Row Count 14 (+ 1) `\}`% Row Count 15 (+ 1) } \tn \hhline{>{\arrayrulecolor{DarkBackground}}-} \end{tabularx} \par\addvspace{1.3em} \begin{tabularx}{5.377cm}{X} \SetRowColor{DarkBackground} \mymulticolumn{1}{x{5.377cm}}{\bf\textcolor{white}{Stack}} \tn \SetRowColor{white} \mymulticolumn{1}{x{5.377cm}}{{\bf{Creation}} \newline % Row Count 1 (+ 1) `let stack = new Stack();` \newline % Row Count 2 (+ 1) {\bf{Adding an element}} \newline % Row Count 3 (+ 1) `stack.push(1);` \newline % Row Count 4 (+ 1) {\bf{Fetching top of stack}} \newline % Row Count 5 (+ 1) `stack.peek();` \newline % Row Count 6 (+ 1) {\bf{Removing an element}} \newline % Row Count 7 (+ 1) `stack.pop();`% Row Count 8 (+ 1) } \tn \hhline{>{\arrayrulecolor{DarkBackground}}-} \end{tabularx} \par\addvspace{1.3em} \begin{tabularx}{5.377cm}{X} \SetRowColor{DarkBackground} \mymulticolumn{1}{x{5.377cm}}{\bf\textcolor{white}{SortedSet}} \tn \SetRowColor{white} \mymulticolumn{1}{x{5.377cm}}{{\bf{Creation}} \newline % Row Count 1 (+ 1) `let sortedSet = new SortedSet();` \newline % Row Count 2 (+ 1) {\bf{Adding an element}} \newline % Row Count 3 (+ 1) `sortedSet.add(3);` \newline % Row Count 4 (+ 1) {\bf{Removing an element}} \newline % Row Count 5 (+ 1) `sortedSet.delete(3);` \newline % Row Count 6 (+ 1) {\bf{Checking the existence of an element}} \newline % Row Count 7 (+ 1) `sortedSet.has(1);` \newline % Row Count 8 (+ 1) {\bf{Looping}} \newline % Row Count 9 (+ 1) `for(element in sortedSet.toArray) \{` \newline % Row Count 10 (+ 1) ` console.log(element);` \newline % Row Count 11 (+ 1) `\}`% Row Count 12 (+ 1) } \tn \hhline{>{\arrayrulecolor{DarkBackground}}-} \end{tabularx} \par\addvspace{1.3em} \begin{tabularx}{5.377cm}{X} \SetRowColor{DarkBackground} \mymulticolumn{1}{x{5.377cm}}{\bf\textcolor{white}{Queue}} \tn \SetRowColor{white} \mymulticolumn{1}{x{5.377cm}}{{\bf{Creation}} \newline % Row Count 1 (+ 1) `let queue = new Queue();` \newline % Row Count 2 (+ 1) {\bf{Adding an element}} \newline % Row Count 3 (+ 1) `queue.enqueue(1);` \newline % Row Count 4 (+ 1) {\bf{Fetch of the first element}} \newline % Row Count 5 (+ 1) `queue.front();` \newline % Row Count 6 (+ 1) {\bf{Removing an element}} \newline % Row Count 7 (+ 1) `queue.dequeue();` \newline % Row Count 8 (+ 1) {\bf{Checking the existence of an element}} \newline % Row Count 9 (+ 1) `queue.contains(7);`% Row Count 10 (+ 1) } \tn \hhline{>{\arrayrulecolor{DarkBackground}}-} \end{tabularx} \par\addvspace{1.3em} \begin{tabularx}{5.377cm}{X} \SetRowColor{DarkBackground} \mymulticolumn{1}{x{5.377cm}}{\bf\textcolor{white}{LinkedList}} \tn \SetRowColor{white} \mymulticolumn{1}{x{5.377cm}}{{\bf{Creation}} \newline % Row Count 1 (+ 1) `let linkedList = new LinkedList();` \newline % Row Count 2 (+ 1) {\bf{Adding an element}} \newline % Row Count 3 (+ 1) `linkedList.append(1);` \newline % Row Count 4 (+ 1) `linkedList.prepend(1);` \newline % Row Count 5 (+ 1) `linkedList.addAt(1, 1);` \newline % Row Count 6 (+ 1) {\bf{Fetch of the head value}} \newline % Row Count 7 (+ 1) \seqsplit{`linkedList.fetchHead();`} \newline % Row Count 8 (+ 1) {\bf{Get the value of a node}} \newline % Row Count 9 (+ 1) `linkedList.getAt(1);` \newline % Row Count 10 (+ 1) {\bf{Removing an element}} \newline % Row Count 11 (+ 1) \seqsplit{`linkedList.removeAt(1);`} \newline % Row Count 12 (+ 1) `linkedList.delete(1);` \newline % Row Count 13 (+ 1) {\bf{Check existence of a value}} \newline % Row Count 14 (+ 1) \seqsplit{`linkedList.contains(1);`} \newline % Row Count 15 (+ 1) {\bf{Looping}} \newline % Row Count 16 (+ 1) `for (const e of linkedList) \{` \newline % Row Count 17 (+ 1) ` console.log(e);` \newline % Row Count 18 (+ 1) `\}`% Row Count 19 (+ 1) } \tn \hhline{>{\arrayrulecolor{DarkBackground}}-} \end{tabularx} \par\addvspace{1.3em} % That's all folks \end{multicols*} \end{document}