\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{HaffouzMohamedAmin} \pdfinfo{ /Title (javascript.pdf) /Creator (Cheatography) /Author (HaffouzMohamedAmin) /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}{CFBC44} \definecolor{LightBackground}{HTML}{FCFAF3} \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}{HaffouzMohamedAmin} via \textcolor{DarkBackground}{\uline{cheatography.com/210366/cs/45609/}}} \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}HaffouzMohamedAmin \\ \uline{cheatography.com/haffouzmohamedamin} \\ \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 8th February, 2025.\\ 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}{Commentaires}} \tn \SetRowColor{LightBackground} \mymulticolumn{1}{x{17.67cm}}{// Commentaire sur une ligne \newline /{\emph{ Commentaire sur plusieurs lignes }}/} \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}{Déclaration des variables}} \tn % Row 0 \SetRowColor{LightBackground} \mymulticolumn{1}{x{17.67cm}}{{\emph{portée globale de variable}}} \tn % Row Count 1 (+ 1) % Row 1 \SetRowColor{white} \mymulticolumn{1}{x{17.67cm}}{`var x=5;`} \tn % Row Count 2 (+ 1) % Row 2 \SetRowColor{LightBackground} \mymulticolumn{1}{x{17.67cm}}{{\emph{portée locale de variable}}} \tn % Row Count 3 (+ 1) % Row 3 \SetRowColor{white} \mymulticolumn{1}{x{17.67cm}}{`let y=10;`} \tn % Row Count 4 (+ 1) % Row 4 \SetRowColor{LightBackground} \mymulticolumn{1}{x{17.67cm}}{{\emph{constante}}} \tn % Row Count 5 (+ 1) % Row 5 \SetRowColor{white} \mymulticolumn{1}{x{17.67cm}}{`const z=15;`} \tn % Row Count 6 (+ 1) \hhline{>{\arrayrulecolor{DarkBackground}}-} \end{tabularx} \par\addvspace{1.3em} \begin{tabularx}{17.67cm}{x{4.0488 cm} x{6.4106 cm} x{6.4106 cm} } \SetRowColor{DarkBackground} \mymulticolumn{3}{x{17.67cm}}{\bf\textcolor{white}{Différence entre var et let}} \tn % Row 0 \SetRowColor{LightBackground} \seqsplit{Caractéristique} & `var` & `let` \tn % Row Count 2 (+ 2) % Row 1 \SetRowColor{white} {\bf{Portée}} & Globale si déclarée en dehors d'une fonction. Fonctionnelle si déclarée dans une fonction. & Bloc (restreinte à l'accolade \{\} où elle est déclarée). \tn % Row Count 9 (+ 7) % Row 2 \SetRowColor{LightBackground} {\bf{Hoisting}} & Hoistée en haut du contexte mais initialisée à undefined. & Hoistée mais non initialisée \seqsplit{(ReferenceError} si utilisée avant déclaration). \tn % Row Count 15 (+ 6) % Row 3 \SetRowColor{white} {\bf{Déclaration multiple}} & Possible dans le même scope. & Impossible (Erreur si redéclarée dans le même scope). \tn % Row Count 19 (+ 4) % Row 4 \SetRowColor{LightBackground} {\bf{Réassigination}} & posible & possible \tn % Row Count 22 (+ 3) \hhline{>{\arrayrulecolor{DarkBackground}}---} \end{tabularx} \par\addvspace{1.3em} \begin{tabularx}{17.67cm}{X} \SetRowColor{DarkBackground} \mymulticolumn{1}{x{17.67cm}}{\bf\textcolor{white}{Types de données}} \tn % Row 0 \SetRowColor{LightBackground} \mymulticolumn{1}{x{17.67cm}}{Chaîne de caractères} \tn % Row Count 1 (+ 1) % Row 1 \SetRowColor{white} \mymulticolumn{1}{x{17.67cm}}{`let str = "Hello";`} \tn % Row Count 2 (+ 1) % Row 2 \SetRowColor{LightBackground} \mymulticolumn{1}{x{17.67cm}}{Nombre} \tn % Row Count 3 (+ 1) % Row 3 \SetRowColor{white} \mymulticolumn{1}{x{17.67cm}}{`let num = 42; `} \tn % Row Count 4 (+ 1) % Row 4 \SetRowColor{LightBackground} \mymulticolumn{1}{x{17.67cm}}{Booléen} \tn % Row Count 5 (+ 1) % Row 5 \SetRowColor{white} \mymulticolumn{1}{x{17.67cm}}{`let bool = true; `} \tn % Row Count 6 (+ 1) % Row 6 \SetRowColor{LightBackground} \mymulticolumn{1}{x{17.67cm}}{Tableau} \tn % Row Count 7 (+ 1) % Row 7 \SetRowColor{white} \mymulticolumn{1}{x{17.67cm}}{`let arr = {[}1, 2, 3{]};`} \tn % Row Count 8 (+ 1) % Row 8 \SetRowColor{LightBackground} \mymulticolumn{1}{x{17.67cm}}{Objet} \tn % Row Count 9 (+ 1) % Row 9 \SetRowColor{white} \mymulticolumn{1}{x{17.67cm}}{`let obj = \{nom: "Ali", age: 25\}; `} \tn % Row Count 10 (+ 1) \hhline{>{\arrayrulecolor{DarkBackground}}-} \end{tabularx} \par\addvspace{1.3em} \begin{tabularx}{17.67cm}{X} \SetRowColor{DarkBackground} \mymulticolumn{1}{x{17.67cm}}{\bf\textcolor{white}{Opérateurs}} \tn % Row 0 \SetRowColor{LightBackground} \mymulticolumn{1}{x{17.67cm}}{{\bf{Opérateurs arithmétiques}}} \tn % Row Count 1 (+ 1) % Row 1 \SetRowColor{white} \mymulticolumn{1}{x{17.67cm}}{`+`, `-`, `{\emph{`, `/`, `\%`, `}}*`} \tn % Row Count 2 (+ 1) % Row 2 \SetRowColor{LightBackground} \mymulticolumn{1}{x{17.67cm}}{{\bf{Opérateurs de comparaison}}} \tn % Row Count 3 (+ 1) % Row 3 \SetRowColor{white} \mymulticolumn{1}{x{17.67cm}}{`==`, `===`, `!=`, `!==`, `\textgreater{}`, `\textless{}`, `\textgreater{}=`, `\textless{}=`} \tn % Row Count 4 (+ 1) % Row 4 \SetRowColor{LightBackground} \mymulticolumn{1}{x{17.67cm}}{{\bf{Opérateurs logiques}}} \tn % Row Count 5 (+ 1) % Row 5 \SetRowColor{white} \mymulticolumn{1}{x{17.67cm}}{`\&\&`, `||`, `!`} \tn % Row Count 6 (+ 1) \hhline{>{\arrayrulecolor{DarkBackground}}-} \end{tabularx} \par\addvspace{1.3em} \begin{tabularx}{17.67cm}{X} \SetRowColor{DarkBackground} \mymulticolumn{1}{x{17.67cm}}{\bf\textcolor{white}{Différence entre == et ===}} \tn \SetRowColor{white} \mymulticolumn{1}{x{17.67cm}}{* `==` est l'égalité abstraire , elle fait comparer {\bf{les valeurs}} des 2 objets \newline % Row Count 2 (+ 2) Si les 2 objets sont de types différents , elle tente de faire une conversion automatique -\textgreater{} on peut avoir des résultats inattendus à cause de cette conversion automatique \newline % Row Count 6 (+ 4) * `===` est l'égalité stricte , elle fait comparer {\bf{la valeur}} et {\bf{le type}} des 2 objets -\textgreater{} plus prévisible% Row Count 9 (+ 3) } \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}{Structure de contrôle conditionel}} \tn \SetRowColor{LightBackground} \mymulticolumn{1}{x{17.67cm}}{if (x \textgreater{} 10) \{ \newline console.log("x est grand"); \newline \} else if (x === 10) \{ \newline console.log("x est 10"); \newline \} else \{ \newline console.log("x est petit"); \newline \}} \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}{Structure de contrôle switch}} \tn \SetRowColor{LightBackground} \mymulticolumn{1}{x{17.67cm}}{switch (jour) \{ \newline case "lundi": \newline console.log("Début de semaine"); \newline break; \newline case "vendredi": \newline console.log("Fin de semaine"); \newline break; \newline default: \newline console.log("Jour normal"); \newline \}} \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}{Boucles}} \tn \SetRowColor{LightBackground} \mymulticolumn{1}{x{17.67cm}}{for (let i = 0; i \textless{} 5; i++) \{ console.log(i); \} \newline while (x \textless{} 10) \{ x++; \} \newline do \{ x++; \} while (x \textless{} 10);} \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}{Méthodes de déclaration de fonctions}} \tn % Row 0 \SetRowColor{LightBackground} \mymulticolumn{1}{x{17.67cm}}{{\emph{Méthode classique}}} \tn % Row Count 1 (+ 1) % Row 1 \SetRowColor{white} \mymulticolumn{1}{x{17.67cm}}{`function addition(a,b)\{return a+b;\}`} \tn % Row Count 2 (+ 1) % Row 2 \SetRowColor{LightBackground} \mymulticolumn{1}{x{17.67cm}}{{\emph{Fonctions fléchées (arrow-functions)}}} \tn % Row Count 3 (+ 1) % Row 3 \SetRowColor{white} \mymulticolumn{1}{x{17.67cm}}{`const addition = (a, b) =\textgreater{} a + b;`} \tn % Row Count 4 (+ 1) % Row 4 \SetRowColor{LightBackground} \mymulticolumn{1}{x{17.67cm}}{{\emph{Fonction anonyme auto-exécutée}}} \tn % Row Count 5 (+ 1) % Row 5 \SetRowColor{white} \mymulticolumn{1}{x{17.67cm}}{`(fonction()\{console.log("Exécutée immédiatement!");\})();`} \tn % Row Count 7 (+ 2) \hhline{>{\arrayrulecolor{DarkBackground}}-} \end{tabularx} \par\addvspace{1.3em} \begin{tabularx}{17.67cm}{X} \SetRowColor{DarkBackground} \mymulticolumn{1}{x{17.67cm}}{\bf\textcolor{white}{DOM - Sélection des élements}} \tn % Row 0 \SetRowColor{LightBackground} \mymulticolumn{1}{x{17.67cm}}{{\emph{Sélectionner par ID}}} \tn % Row Count 1 (+ 1) % Row 1 \SetRowColor{white} \mymulticolumn{1}{x{17.67cm}}{\seqsplit{`document.getElementById("id");`} retourne un unique élement} \tn % Row Count 3 (+ 2) % Row 2 \SetRowColor{LightBackground} \mymulticolumn{1}{x{17.67cm}}{{\emph{Sélection par classe}}} \tn % Row Count 4 (+ 1) % Row 3 \SetRowColor{white} \mymulticolumn{1}{x{17.67cm}}{\seqsplit{`document.querySelector(".classe");`} retourne un tableau des élements de cette classe dans `document`} \tn % Row Count 7 (+ 3) % Row 4 \SetRowColor{LightBackground} \mymulticolumn{1}{x{17.67cm}}{{\emph{Sélection par balise}}} \tn % Row Count 8 (+ 1) % Row 5 \SetRowColor{white} \mymulticolumn{1}{x{17.67cm}}{\seqsplit{`document.getElementsByTagName("tag\_name")`} retourne un tableau des élements dans `document` de ce tag} \tn % Row Count 11 (+ 3) % Row 6 \SetRowColor{LightBackground} \mymulticolumn{1}{x{17.67cm}}{{\emph{Utilisation du querrySelector}}} \tn % Row Count 12 (+ 1) \hhline{>{\arrayrulecolor{DarkBackground}}-} \end{tabularx} \par\addvspace{1.3em} \end{document}