\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{flight}
\pdfinfo{
  /Title (javascript-string-array-and-object-methods-2022.pdf)
  /Creator (Cheatography)
  /Author (flight)
  /Subject (Javascript String, Array and Object Methods 2022 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}{1895A3}
\definecolor{LightBackground}{HTML}{F0F8F9}
\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 String, Array and Object Methods 2022 Cheat Sheet}}}} \\
    \normalsize{by \textcolor{DarkBackground}{flight} via \textcolor{DarkBackground}{\uline{cheatography.com/169565/cs/35513/}}}
\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}flight \\
  \uline{cheatography.com/flight} \\
  \end{tabulary}
\vfill
\columnbreak
\begin{tabulary}{5.8cm}{L}
  \SetRowColor{FootBackground}
  \mymulticolumn{1}{p{5.377cm}}{\bf\textcolor{white}{Cheat Sheet}}  \\
   \vspace{-2pt}Published 17th November, 2022.\\
   Updated 17th November, 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{4 cm} x{4 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{8.4cm}}{\bf\textcolor{white}{String Methods}}  \tn
% Row 0
\SetRowColor{LightBackground}
\{\{noshy\}\}str.{\bf{charAt}}(index) & Return character in string str at specified index \tn 
% Row Count 3 (+ 3)
% Row 1
\SetRowColor{white}
\{\{noshy\}\}str.{\bf{toLower{[}Upper{]}Case}}() & Convert string str to lower / upper case \tn 
% Row Count 5 (+ 2)
% Row 2
\SetRowColor{LightBackground}
\{\{noshy\}\}str.{\bf{{[}last{]}indexOf}}(substr) & Return first / last index within string str of substring substr \tn 
% Row Count 9 (+ 4)
% Row 3
\SetRowColor{white}
\{\{noshy\}\}str.{\bf{split}}(separator) & Split string str into an array of substrings separated by param separator \tn 
% Row Count 13 (+ 4)
% Row 4
\SetRowColor{LightBackground}
\{\{noshy\}\}str.{\bf{trim}}() & Trim whitespace from beginning and end of string str \tn 
% Row Count 16 (+ 3)
% Row 5
\SetRowColor{white}
\{\{noshy\}\}str.{\bf{codePointAt}}(index) & Return non-negative int from string str that is the UTF-16 encoded code point at given index \tn 
% Row Count 21 (+ 5)
% Row 6
\SetRowColor{LightBackground}
\{\{noshy\}\}str1.{\bf{includes}}(str2) & Return true if str2 is found in string str1 \tn 
% Row Count 24 (+ 3)
% Row 7
\SetRowColor{white}
\{\{noshy\}\}str1.{\bf{starts{[}ends{]}With}}(str2) & Return true if string str1 starts / ends with string str2 \tn 
% Row Count 27 (+ 3)
% Row 8
\SetRowColor{LightBackground}
\{\{noshy\}\}str.{\bf{normalize}}() & Return Unicode Normalization Form of string str \tn 
% Row Count 30 (+ 3)
\end{tabularx}
\par\addvspace{1.3em}

\vfill
\columnbreak
\begin{tabularx}{8.4cm}{x{4 cm} x{4 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{8.4cm}}{\bf\textcolor{white}{String Methods (cont)}}  \tn
% Row 9
\SetRowColor{LightBackground}
\{\{noshy\}\}str.{\bf{repeat}}(int) & Return string repeated int times of string str \tn 
% Row Count 3 (+ 3)
% Row 10
\SetRowColor{white}
\{\{noshy\}\}str{\bf{{[}@@iterator{]}}}() & Return a new Iterator that iterates over the code points of string str, returning each code point as String value \tn 
% Row Count 9 (+ 6)
% Row 11
\SetRowColor{LightBackground}
\{\{noshy\}\}str.{\bf{charCodeAt}}(index) & Return number indicating Unicode value of char at given index of string str \tn 
% Row Count 13 (+ 4)
% Row 12
\SetRowColor{white}
\{\{noshy\}\}str1.{\bf{concat}}(str2) & Combine text of strings str1 and str2 and return a new string \tn 
% Row Count 17 (+ 4)
% Row 13
\SetRowColor{LightBackground}
\{\{noshy\}\}str.{\bf{slice}}(start, end) & Extract a section of string str from start to end \tn 
% Row Count 20 (+ 3)
% Row 14
\SetRowColor{white}
\{\{noshy\}\}str.{\bf{substr}}(start, length) & Return characters in string str from start having length length \tn 
% Row Count 24 (+ 4)
% Row 15
\SetRowColor{LightBackground}
\{\{noshy\}\}str.{\bf{substring}}(index1, index2) & Return subset of string str between index1 and index2 \tn 
% Row Count 27 (+ 3)
% Row 16
\SetRowColor{white}
str.{\bf{toLocaleLower{[}Upper{]}Case}}() & Convert chars in string str to lower / upper case while respecting current locale \tn 
% Row Count 32 (+ 5)
\end{tabularx}
\par\addvspace{1.3em}

\vfill
\columnbreak
\begin{tabularx}{8.4cm}{x{4 cm} x{4 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{8.4cm}}{\bf\textcolor{white}{String Methods (cont)}}  \tn
% Row 17
\SetRowColor{LightBackground}
\{\{noshy\}\}str.{\bf{trimLeft{[}Right{]}}}() & Trim whitespace from left / right side of string st \tn 
% Row Count 3 (+ 3)
% Row 18
\SetRowColor{white}
\{\{noshy\}\}str1.{\bf{localeCompare}}(str2) & Return -1, 0, or 1 indicating if string str1 is less than, equal to, or greater than str2 \tn 
% Row Count 8 (+ 5)
% Row 19
\SetRowColor{LightBackground}
\{\{noshy\}\}str.{\bf{match}}(regexp) & Match a regular expression regexp against string str \tn 
% Row Count 11 (+ 3)
% Row 20
\SetRowColor{white}
\{\{noshy\}\}str1.{\bf{replace}}(regexp, str2) & Replace matched regexp elements in string str1 with string str2 \tn 
% Row Count 15 (+ 4)
% Row 21
\SetRowColor{LightBackground}
\{\{noshy\}\}str.{\bf{search}}(regexp) & Return position of search for a match between regexp and string str \tn 
% Row Count 19 (+ 4)
% Row 22
\SetRowColor{white}
\{\{noshy\}str.{\bf{length}} & Return length of string str \tn 
% Row Count 21 (+ 2)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{8.4cm}{x{4 cm} x{4 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{8.4cm}}{\bf\textcolor{white}{Object methods}}  \tn
% Row 0
\SetRowColor{LightBackground}
\{\{noshy\}\}Object.{\bf{assign}}(target, ...sources) & copies properties from one or more source objects to target object \tn 
% Row Count 4 (+ 4)
% Row 1
\SetRowColor{white}
\{\{noshy\}\}Object.{\bf{create}}(proto, {[}propertiesObject{]}) & creates new object, using an existing object as the prototype \tn 
% Row Count 8 (+ 4)
% Row 2
\SetRowColor{LightBackground}
\{\{noshy\}\}Object.{\bf{defineProperty{[}ies{]}}}(obj, prop, descriptor) & defines new or modifies existing property \tn 
% Row Count 12 (+ 4)
% Row 3
\SetRowColor{white}
\{\{noshy\}\}Object.{\bf{entries}}(obj) & returns array of object's {[}key, value{]} pairs \tn 
% Row Count 15 (+ 3)
% Row 4
\SetRowColor{LightBackground}
\{\{noshy\}\}Object.{\bf{freeze}}(obj) & freezes an object, which then can no longer be changed \tn 
% Row Count 18 (+ 3)
% Row 5
\SetRowColor{white}
\{\{noshy\}\}Object.{\bf{fromEntries}}() & transforms a list of key-value pairs into an object \tn 
% Row Count 21 (+ 3)
% Row 6
\SetRowColor{LightBackground}
Object.{\bf{getOwnPropertyDescriptor{[}s{]}}}(obj, prop) & returns a property descriptor / all own property descriptors for an own property \tn 
% Row Count 25 (+ 4)
% Row 7
\SetRowColor{white}
Object.{\bf{getOwnPropertyNames}}(obj) & returns array of all properties \tn 
% Row Count 27 (+ 2)
% Row 8
\SetRowColor{LightBackground}
Object.{\bf{getOwnPropertySymbols}}(obj) & array of all symbol properties \tn 
% Row Count 29 (+ 2)
% Row 9
\SetRowColor{white}
\{\{noshy\}\}Object.{\bf{getPrototypeOf}}(obj) & returns the prototype \tn 
% Row Count 31 (+ 2)
\end{tabularx}
\par\addvspace{1.3em}

\vfill
\columnbreak
\begin{tabularx}{8.4cm}{x{4 cm} x{4 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{8.4cm}}{\bf\textcolor{white}{Object methods (cont)}}  \tn
% Row 10
\SetRowColor{LightBackground}
\{\{noshy\}\}Object.{\bf{is}}(value1, value2) & determines whether two values are the same value \tn 
% Row Count 3 (+ 3)
% Row 11
\SetRowColor{white}
\{\{noshy\}\}Object.{\bf{isExtensible}}(obj) & determines wether an object can have new properties added to it \tn 
% Row Count 7 (+ 4)
% Row 12
\SetRowColor{LightBackground}
\{\{noshy\}\}Object.{\bf{isFrozen}}(obj)\{\{nl\}\}\{\{noshy\}\}Object.{\bf{isSealed}}(obj) & determines if an object is frozen / sealed \tn 
% Row Count 11 (+ 4)
% Row 13
\SetRowColor{white}
\{\{noshy\}\}Object.{\bf{keys}}(obj) & returns array of object's enumerable property names \tn 
% Row Count 14 (+ 3)
% Row 14
\SetRowColor{LightBackground}
Object.{\bf{preventExtensions}}(obj) & prevents new properties from being added to an object \tn 
% Row Count 17 (+ 3)
% Row 15
\SetRowColor{white}
\{\{noshy\}\}obj.{\bf{hasOwnProperty}}(prop) & returns boolean indicating whether object has the specified property \tn 
% Row Count 21 (+ 4)
% Row 16
\SetRowColor{LightBackground}
prototypeObj.{\bf{isPrototypeOf}}(object) & checks if object exists in another object's prototype chain \tn 
% Row Count 24 (+ 3)
% Row 17
\SetRowColor{white}
obj.{\bf{propertyIsEnumerable}}(prop) & checks whether the specified property is enumerable and is the object's own property \tn 
% Row Count 29 (+ 5)
% Row 18
\SetRowColor{LightBackground}
\{\{noshy\}\}obj.{\bf{toString}}() & returns a string representing the object \tn 
% Row Count 31 (+ 2)
\end{tabularx}
\par\addvspace{1.3em}

\vfill
\columnbreak
\begin{tabularx}{8.4cm}{x{4 cm} x{4 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{8.4cm}}{\bf\textcolor{white}{Object methods (cont)}}  \tn
% Row 19
\SetRowColor{LightBackground}
\{\{noshy\}\}Object.{\bf{seal}}(obj) & prevents new properties from being added and marks all existing properties as non-configurable \tn 
% Row Count 5 (+ 5)
% Row 20
\SetRowColor{white}
\{\{noshy\}\}Object.{\bf{values}}(obj) & returns array of object's own enumerable property values \tn 
% Row Count 8 (+ 3)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{8.4cm}{x{4 cm} x{4 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{8.4cm}}{\bf\textcolor{white}{Array methods}}  \tn
% Row 0
\SetRowColor{LightBackground}
\{\{noshy\}\}a1.{\bf{concat}}(a2) & Return new array by joining arrays a1 and a2 together \tn 
% Row Count 3 (+ 3)
% Row 1
\SetRowColor{white}
\{\{noshy\}\}a1.{\bf{join}}(separator) & Join all elements of array a1 into a string separated by separator arg \tn 
% Row Count 7 (+ 4)
% Row 2
\SetRowColor{LightBackground}
\{\{noshy\}\}a1.{\bf{slice}}(start, end) & Extract a section from start to end of array a1 and return a new array \tn 
% Row Count 11 (+ 4)
% Row 3
\SetRowColor{white}
\{\{noshy\}\}a1.{\bf{{[}last{]}indexOf}}(obj) & Return first / last index of obj within array a1 \tn 
% Row Count 14 (+ 3)
% Row 4
\SetRowColor{LightBackground}
\{\{noshy\}\}a1.{\bf{forEach}}(fn) & Calls function fn for each element in the array a1 \tn 
% Row Count 17 (+ 3)
% Row 5
\SetRowColor{white}
\{\{noshy\}\}a1.{\bf{every}}(fn) & Return true if every element in array a1 satisfies provided testing function fn \tn 
% Row Count 21 (+ 4)
% Row 6
\SetRowColor{LightBackground}
\{\{noshy\}\}a1.{\bf{some}}(fn) & Return true if at least one element in array a1 satisfies provided testing function fn \tn 
% Row Count 26 (+ 5)
% Row 7
\SetRowColor{white}
\{\{noshy\}\}a1.{\bf{filter}}(fn) & Create a new array with all elements of array a1 which pass the filtering function fn \tn 
% Row Count 31 (+ 5)
\end{tabularx}
\par\addvspace{1.3em}

\vfill
\columnbreak
\begin{tabularx}{8.4cm}{x{4 cm} x{4 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{8.4cm}}{\bf\textcolor{white}{Array methods (cont)}}  \tn
% Row 8
\SetRowColor{LightBackground}
\{\{noshy\}\}a1.{\bf{map}}(fn) & Create a new array with results of calling function fn on every element in array a1 \tn 
% Row Count 5 (+ 5)
% Row 9
\SetRowColor{white}
\{\{noshy\}\}a1.{\bf{reduce{[}Right{]}}}(fn) & Apply a function fn against an accumulator and each value (from left to right / right to left) of the array as to reduce it to a single value \tn 
% Row Count 13 (+ 8)
% Row 10
\SetRowColor{LightBackground}
\{\{noshy\}\}a1.{\bf{pop}}() & Remove and return last element from array a1 \tn 
% Row Count 16 (+ 3)
% Row 11
\SetRowColor{white}
\{\{noshy\}\}a1.{\bf{push}}(obj) & Add obj to end of array a1 and return new length \tn 
% Row Count 19 (+ 3)
% Row 12
\SetRowColor{LightBackground}
\{\{noshy\}\}a1.{\bf{reverse}}() & Reverse order of elements of array a1 in place \tn 
% Row Count 22 (+ 3)
% Row 13
\SetRowColor{white}
\{\{noshy\}\}a1.{\bf{sort}}() & Sort the elements of array a1 in place \tn 
% Row Count 24 (+ 2)
% Row 14
\SetRowColor{LightBackground}
\{\{noshy\}\}a1.{\bf{splice}}(start, deleteCount, items) & Change content of array a1 by removing existing elements and/or adding new elements \tn 
% Row Count 29 (+ 5)
% Row 15
\SetRowColor{white}
\{\{noshy\}\}a1.{\bf{unshift}}(obj) & Add obj to start of array a1 and return new length \tn 
% Row Count 32 (+ 3)
\end{tabularx}
\par\addvspace{1.3em}

\vfill
\columnbreak
\begin{tabularx}{8.4cm}{x{4 cm} x{4 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{8.4cm}}{\bf\textcolor{white}{Array methods (cont)}}  \tn
% Row 16
\SetRowColor{LightBackground}
\{\{noshy\}\}a1.{\bf{toString}}() & Return a string representing array a1 and its elements (same as a1. join(',')) \tn 
% Row Count 4 (+ 4)
% Row 17
\SetRowColor{white}
a1.{\bf{toLocaleString}}() & Return a localized string representing array a1 and its elements (similar to a1.join(',')) \tn 
% Row Count 9 (+ 5)
% Row 18
\SetRowColor{LightBackground}
\{\{noshy\}\}Array.{\bf{isArray}}(var) & Return true if var is an array a1.length \tn 
% Row Count 11 (+ 2)
% Row 19
\SetRowColor{white}
a1.{\bf{length}} & Return length of a1 \tn 
% Row Count 12 (+ 1)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}


% That's all folks
\end{multicols*}

\end{document}