\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{Dustin Allan (Pyro19D)} \pdfinfo{ /Title (javascript.pdf) /Creator (Cheatography) /Author (Dustin Allan (Pyro19D)) /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}{8AD0FF} \definecolor{LightBackground}{HTML}{F0F9FF} \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}{Dustin Allan (Pyro19D)} via \textcolor{DarkBackground}{\uline{cheatography.com/581/cs/246/}}} \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}Dustin Allan (Pyro19D) \\ \uline{cheatography.com/pyro19d} \\ \end{tabulary} \vfill \columnbreak \begin{tabulary}{5.8cm}{L} \SetRowColor{FootBackground} \mymulticolumn{1}{p{5.377cm}}{\bf\textcolor{white}{Cheat Sheet}} \\ \vspace{-2pt}Published 12th February, 2012.\\ Updated 13th May, 2016.\\ 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{0.89586 cm} x{4.08114 cm} } \SetRowColor{DarkBackground} \mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{Value Types}} \tn % Row 0 \SetRowColor{LightBackground} Number & Any numeric value \tn % Row Count 1 (+ 1) % Row 1 \SetRowColor{white} String & Characters inside quote marks \tn % Row Count 2 (+ 1) % Row 2 \SetRowColor{LightBackground} \seqsplit{Boolean} & True or False \tn % Row Count 3 (+ 1) % Row 3 \SetRowColor{white} Null & Empty and meaningless \tn % Row Count 4 (+ 1) % Row 4 \SetRowColor{LightBackground} Object & Any value associated with the object \tn % Row Count 6 (+ 2) % Row 5 \SetRowColor{white} \seqsplit{Function} & Value returned by a function \tn % Row Count 8 (+ 2) \hhline{>{\arrayrulecolor{DarkBackground}}--} \end{tabularx} \par\addvspace{1.3em} \begin{tabularx}{5.377cm}{x{1.34379 cm} x{3.63321 cm} } \SetRowColor{DarkBackground} \mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{Operators}} \tn % Row 0 \SetRowColor{LightBackground} x + y (numeric) & Adds x and y together \tn % Row Count 2 (+ 2) % Row 1 \SetRowColor{white} x + y (string) & Concatinates x and y together \tn % Row Count 4 (+ 2) % Row 2 \SetRowColor{LightBackground} x - y & Subtracts y from x \tn % Row Count 5 (+ 1) % Row 3 \SetRowColor{white} x * y & Multiplies x and y together \tn % Row Count 6 (+ 1) % Row 4 \SetRowColor{LightBackground} x / y & Divides x by y \tn % Row Count 7 (+ 1) % Row 5 \SetRowColor{white} x \% y & Modulus: The remainder when x is divided by y \tn % Row Count 9 (+ 2) % Row 6 \SetRowColor{LightBackground} x++, ++x & Adds one to x \tn % Row Count 10 (+ 1) % Row 7 \SetRowColor{white} x-{}-, -{}-x & Subtracts one from x \tn % Row Count 11 (+ 1) % Row 8 \SetRowColor{LightBackground} -x & Reverses the sign on x \tn % Row Count 12 (+ 1) \hhline{>{\arrayrulecolor{DarkBackground}}--} \end{tabularx} \par\addvspace{1.3em} \begin{tabularx}{5.377cm}{p{0.9954 cm} x{3.9816 cm} } \SetRowColor{DarkBackground} \mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{Assignments}} \tn % Row 0 \SetRowColor{LightBackground} x = y & Sets x to the value of y \tn % Row Count 1 (+ 1) % Row 1 \SetRowColor{white} x += y & Same as x = x + y \tn % Row Count 2 (+ 1) % Row 2 \SetRowColor{LightBackground} x -= y & Same as x = x - y \tn % Row Count 3 (+ 1) % Row 3 \SetRowColor{white} x *= y & Same as x = x * y \tn % Row Count 4 (+ 1) % Row 4 \SetRowColor{LightBackground} x /= y & Same as x = x / y \tn % Row Count 5 (+ 1) % Row 5 \SetRowColor{white} x \%= y & Same as x = x \% y \tn % Row Count 6 (+ 1) \hhline{>{\arrayrulecolor{DarkBackground}}--} \end{tabularx} \par\addvspace{1.3em} \begin{tabularx}{5.377cm}{x{1.44333 cm} x{3.53367 cm} } \SetRowColor{DarkBackground} \mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{Adding to an array}} \tn % Row 0 \SetRowColor{LightBackground} .length property & Adds one value to the end of an array \tn % Row Count 2 (+ 2) % Row 1 \SetRowColor{white} push() & Adds one or more items 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 6 (+ 2) \hhline{>{\arrayrulecolor{DarkBackground}}--} \end{tabularx} \par\addvspace{1.3em} \begin{tabularx}{5.377cm}{x{1.89126 cm} x{3.08574 cm} } \SetRowColor{DarkBackground} \mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{Misc}} \tn % Row 0 \SetRowColor{LightBackground} parseInt() & Takes a value and tries to convert it to an integer \tn % Row Count 3 (+ 3) % Row 1 \SetRowColor{white} isNaN() & Returns true if something is not a number. \tn % Row Count 5 (+ 2) % Row 2 \SetRowColor{LightBackground} setTimeout() & Specify that am action should occur on a particular schedule \tn % Row Count 8 (+ 3) % Row 3 \SetRowColor{white} Math.floor & Rounds a number down \tn % Row Count 9 (+ 1) % Row 4 \SetRowColor{LightBackground} Math.random & Generaters a random number between 0 and 1 \tn % Row Count 11 (+ 2) % Row 5 \SetRowColor{white} \mymulticolumn{2}{x{5.377cm}}{getElementsByTagName()} \tn % Row Count 12 (+ 1) % Row 6 \SetRowColor{LightBackground} \mymulticolumn{2}{x{5.377cm}}{getElementById()} \tn % Row Count 13 (+ 1) % Row 7 \SetRowColor{white} \mymulticolumn{2}{x{5.377cm}}{getElementsByClassName()} \tn % Row Count 14 (+ 1) % Row 8 \SetRowColor{LightBackground} \seqsplit{element.innerHTML} & returns all the HTML between the opening and closing tags \tn % Row Count 17 (+ 3) % Row 9 \SetRowColor{white} \seqsplit{element.nodeType} & property, returns the number of the node type \tn % Row Count 19 (+ 2) % Row 10 \SetRowColor{LightBackground} \seqsplit{element.childNodes} & A node list of child nodes that are indexed numerically, and appear in source order. \tn % Row Count 23 (+ 4) % Row 11 \SetRowColor{white} \seqsplit{element.childNodes.length} & Returns the number of child nodes of the element \tn % Row Count 25 (+ 2) \hhline{>{\arrayrulecolor{DarkBackground}}--} \end{tabularx} \par\addvspace{1.3em} \columnbreak \begin{tabularx}{5.377cm}{x{1.09494 cm} x{3.88206 cm} } \SetRowColor{DarkBackground} \mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{Event Handlers}} \tn % Row 0 \SetRowColor{LightBackground} onabort & The user aborted loading the page \tn % Row Count 2 (+ 2) % Row 1 \SetRowColor{white} onblur & The user left the object \tn % Row Count 3 (+ 1) % Row 2 \SetRowColor{LightBackground} \seqsplit{onchange} & The user changed the object \tn % Row Count 4 (+ 1) % Row 3 \SetRowColor{white} onclick & The user clicked an object \tn % Row Count 5 (+ 1) % Row 4 \SetRowColor{LightBackground} onerror & The script encountered an error \tn % Row Count 6 (+ 1) % Row 5 \SetRowColor{white} onfocus & The user made an object active \tn % Row Count 7 (+ 1) % Row 6 \SetRowColor{LightBackground} onload & The object finished loading \tn % Row Count 8 (+ 1) % Row 7 \SetRowColor{white} \seqsplit{onmouseover} & The cursor moved over an object \tn % Row Count 10 (+ 2) % Row 8 \SetRowColor{LightBackground} \seqsplit{onmouseout} & The cursor moved off an object \tn % Row Count 12 (+ 2) % Row 9 \SetRowColor{white} \seqsplit{onselect} & The user selected the contents of an object \tn % Row Count 14 (+ 2) % Row 10 \SetRowColor{LightBackground} \seqsplit{onsubmit} & The user submitted a form \tn % Row Count 15 (+ 1) % Row 11 \SetRowColor{white} \seqsplit{onunload} & The user left the page \tn % Row Count 16 (+ 1) % Row 12 \SetRowColor{LightBackground} onmove & The window is moved \tn % Row Count 17 (+ 1) % Row 13 \SetRowColor{white} \seqsplit{onmousedown} & A mouse button is pressed down \tn % Row Count 19 (+ 2) % Row 14 \SetRowColor{LightBackground} \seqsplit{onmouseup} & A mouse button is released \tn % Row Count 21 (+ 2) % Row 15 \SetRowColor{white} \seqsplit{onmousemove} & The mouse moves \tn % Row Count 23 (+ 2) % Row 16 \SetRowColor{LightBackground} \seqsplit{ondblclick} & A double click of a mouse button \tn % Row Count 25 (+ 2) % Row 17 \SetRowColor{white} onclick & A single click (down and then up) of a mouse button \tn % Row Count 27 (+ 2) % Row 18 \SetRowColor{LightBackground} onreset & A reset button is clicked on a form \tn % Row Count 29 (+ 2) % Row 19 \SetRowColor{white} \seqsplit{onkeydown} & Triggered when a key is pressed down \tn % Row Count 31 (+ 2) \end{tabularx} \par\addvspace{1.3em} \vfill \columnbreak \begin{tabularx}{5.377cm}{x{1.09494 cm} x{3.88206 cm} } \SetRowColor{DarkBackground} \mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{Event Handlers (cont)}} \tn % Row 20 \SetRowColor{LightBackground} onkeyup & Triggered when a key is released \tn % Row Count 2 (+ 2) % Row 21 \SetRowColor{white} \seqsplit{onkeypress} & Triggered when a key is pressed and then released \tn % Row Count 4 (+ 2) \hhline{>{\arrayrulecolor{DarkBackground}}--} \end{tabularx} \par\addvspace{1.3em} \begin{tabularx}{5.377cm}{p{0.74655 cm} x{4.23045 cm} } \SetRowColor{DarkBackground} \mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{Comparisons}} \tn % Row 0 \SetRowColor{LightBackground} x == y & Returns true if x and y are equal \tn % Row Count 1 (+ 1) % Row 1 \SetRowColor{white} x === y & Returns true if x and y are identical \tn % Row Count 3 (+ 2) % Row 2 \SetRowColor{LightBackground} x != y & Returns true if x and y are not equal \tn % Row Count 5 (+ 2) % Row 3 \SetRowColor{white} x !== y & Returns true if x and y are not identical \tn % Row Count 7 (+ 2) % Row 4 \SetRowColor{LightBackground} x \textgreater{} y & Returns true if x is greater than y \tn % Row Count 9 (+ 2) % Row 5 \SetRowColor{white} x \textgreater{}= y & Returns true if x is greater than or equal to y \tn % Row Count 11 (+ 2) % Row 6 \SetRowColor{LightBackground} x \textless{} y & Returns true if x is less than y \tn % Row Count 12 (+ 1) % Row 7 \SetRowColor{white} x \textless{}= y & Returns true if x is less than or equal to y \tn % Row Count 14 (+ 2) % Row 8 \SetRowColor{LightBackground} x \&\& y & Returns true if both x and y are true \tn % Row Count 16 (+ 2) % Row 9 \SetRowColor{white} x || y & Returns true if either x or y are true \tn % Row Count 18 (+ 2) % Row 10 \SetRowColor{LightBackground} !x & Returns true if x is false \tn % Row Count 19 (+ 1) \hhline{>{\arrayrulecolor{DarkBackground}}--} \end{tabularx} \par\addvspace{1.3em} \begin{tabularx}{5.377cm}{p{0.79632 cm} x{4.18068 cm} } \SetRowColor{DarkBackground} \mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{Remove item from an array}} \tn % Row 0 \SetRowColor{LightBackground} pop() & Removes the last item from the array \tn % Row Count 2 (+ 2) % Row 1 \SetRowColor{white} \seqsplit{shift()} & Removes the first item from the array \tn % Row Count 4 (+ 2) \hhline{>{\arrayrulecolor{DarkBackground}}--} \end{tabularx} \par\addvspace{1.3em} \begin{tabularx}{5.377cm}{x{1.29402 cm} x{3.68298 cm} } \SetRowColor{DarkBackground} \mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{jQuery - Adding and removing content to a page}} \tn % Row 0 \SetRowColor{LightBackground} .html() & Retrieve or replaces the HTML inside the selection \tn % Row Count 2 (+ 2) % Row 1 \SetRowColor{white} .text() & Works like .html() but does not accept HTML tags \tn % Row Count 4 (+ 2) % Row 2 \SetRowColor{LightBackground} .append() & Adds HTML as the last child element of the selected element \tn % Row Count 7 (+ 3) % Row 3 \SetRowColor{white} \seqsplit{.prepend()} & Like .append(), but adds HTML directly after the opening tag for the selection \tn % Row Count 10 (+ 3) % Row 4 \SetRowColor{LightBackground} .before() & Add HTML outside of a selection, just before the selected element \tn % Row Count 13 (+ 3) % Row 5 \SetRowColor{white} .after() & Add HTML outside of a selection, just after the selected element \tn % Row Count 16 (+ 3) % Row 6 \SetRowColor{LightBackground} .remove() & Completely remove a selected element \tn % Row Count 18 (+ 2) % Row 7 \SetRowColor{white} \seqsplit{.replaceWith()} & Completely replace selected element \tn % Row Count 20 (+ 2) \hhline{>{\arrayrulecolor{DarkBackground}}--} \end{tabularx} \par\addvspace{1.3em} \begin{tabularx}{5.377cm}{x{1.29402 cm} x{3.68298 cm} } \SetRowColor{DarkBackground} \mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{jQuery - other}} \tn % Row 0 \SetRowColor{LightBackground} .addClass & Adds a specified class to an element \tn % Row Count 2 (+ 2) % Row 1 \SetRowColor{white} \seqsplit{.removeClass} & Removes a specified class from an element \tn % Row Count 4 (+ 2) % Row 2 \SetRowColor{LightBackground} \seqsplit{.toggleClass()} & Add a class if it doesn't already exist, or remove the class if it does \tn % Row Count 7 (+ 3) % Row 3 \SetRowColor{white} .css() & Lets you directly read or change CSS properties of an element \tn % Row Count 10 (+ 3) % Row 4 \SetRowColor{LightBackground} .attr() & Reads a specified HTML attribute from a tag. Sets the specified HTML attribute if a second argument is passed. \tn % Row Count 14 (+ 4) % Row 5 \SetRowColor{white} \seqsplit{.removeAttr()} & Completely removes an attribute from a tag. \tn % Row Count 16 (+ 2) % Row 6 \SetRowColor{LightBackground} .each() & To loop through selection of elements with your own anonymous function. \tn % Row Count 19 (+ 3) \hhline{>{\arrayrulecolor{DarkBackground}}--} \end{tabularx} \par\addvspace{1.3em} \begin{tabularx}{5.377cm}{x{1.44333 cm} x{3.53367 cm} } \SetRowColor{DarkBackground} \mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{jQuery Filters}} \tn % Row 0 \SetRowColor{LightBackground} :even and :odd & Selects every other element in a group \tn % Row Count 2 (+ 2) % Row 1 \SetRowColor{white} :first and :last & Selects the first or the last element in a group \tn % Row Count 4 (+ 2) % Row 2 \SetRowColor{LightBackground} :not() & to find elements that don't match a particular selctor type \tn % Row Count 7 (+ 3) % Row 3 \SetRowColor{white} :has() & finds elements that contain another selector \tn % Row Count 9 (+ 2) % Row 4 \SetRowColor{LightBackground} \seqsplit{:contains()} & Finds elements that contain specific text \tn % Row Count 11 (+ 2) % Row 5 \SetRowColor{white} :hidden & Locates elements that are hidden \tn % Row Count 13 (+ 2) % Row 6 \SetRowColor{LightBackground} :visible & Locates elements that are visible \tn % Row Count 15 (+ 2) \hhline{>{\arrayrulecolor{DarkBackground}}--} \end{tabularx} \par\addvspace{1.3em} % That's all folks \end{multicols*} \end{document}