\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{Giang.nd2508}
\pdfinfo{
  /Title (postman-script-1.pdf)
  /Creator (Cheatography)
  /Author (Giang.nd2508)
  /Subject (Postman Script 1 Cheat Sheet)
}

% Lengths and widths
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\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}{D49090}
\definecolor{LightBackground}{HTML}{F9F1F1}
\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{Postman Script 1 Cheat Sheet}}}} \\
    \normalsize{by \textcolor{DarkBackground}{Giang.nd2508} via \textcolor{DarkBackground}{\uline{cheatography.com/134606/cs/27793/}}}
\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}Giang.nd2508 \\
  \uline{cheatography.com/giang-nd2508} \\
  \end{tabulary}
\vfill
\columnbreak
\begin{tabulary}{5.8cm}{L}
  \SetRowColor{FootBackground}
  \mymulticolumn{1}{p{5.377cm}}{\bf\textcolor{white}{Cheat Sheet}}  \\
   \vspace{-2pt}Published 3rd May, 2021.\\
   Updated 25th February, 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*}{2}

\begin{tabularx}{8.4cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{8.4cm}}{\bf\textcolor{white}{Data Type}}  \tn
% Row 0
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{8.4cm}}{{\bf{String}}: chứa các ký tự. Ví dụ "hello"} \tn 
% Row Count 1 (+ 1)
% Row 1
\SetRowColor{white}
\mymulticolumn{1}{x{8.4cm}}{{\bf{Number}}: là số nguyên hoặc thập phân. Ví dụ 20, 32.46} \tn 
% Row Count 3 (+ 2)
% Row 2
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{8.4cm}}{{\bf{Array}}: chứa nhiều phần tử, các phần tử có thể cùng hoặc không cùng kiểu dữ liệu} \tn 
% Row Count 6 (+ 3)
% Row 3
\SetRowColor{white}
\mymulticolumn{1}{x{8.4cm}}{{\bf{Object}}: gồm các cặp key-value} \tn 
% Row Count 7 (+ 1)
% Row 4
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{8.4cm}}{{\bf{Boolean}}: true hoặc false} \tn 
% Row Count 8 (+ 1)
% Row 5
\SetRowColor{white}
\mymulticolumn{1}{x{8.4cm}}{{\bf{Null}}: thể hiện rằng biến đó không trỏ đến bất kỳ object nào} \tn 
% Row Count 10 (+ 2)
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{8.4cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{8.4cm}}{\bf\textcolor{white}{String}}  \tn
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{8.4cm}}{let s1 = "Hello World"; \newline s1.length; // 11 \newline s1.indexOf("l"); // 2 \newline s1.repeat(4); // Hello WorldHello WorldHello WorldHello World \newline s1.toLowerCase(); // hello world \newline s1.toUpperCase(); //HELLO WORLD \newline s1.slice(0, s1.indexOf("o")); // Hell \newline  \newline let s2 = "100.332"; \newline let num1 = parseInt(s2) + 10; // 110 \newline let num2 = parseFloat(s2) + 10; // 110.332} \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}{Number}}  \tn
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{8.4cm}}{let num1 = 100; \newline let num2 = 0.5; \newline let num3 = num1 + num2; // 100.5 \newline let num4 = num1 - num2; // 99.5 \newline let num5 = num1 * num2; // 50 \newline let num6 = num1 / num2; // 200 \newline  \newline let s1 = num1.toString(); \newline console.log(s1.repeat(3)); // 100100100} \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}{Object}}  \tn
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{8.4cm}}{const obj1 = \{ \newline     "data": \{ \newline         "name": "lucas", \newline         "age": 20, \newline         "is\_admin": true \newline     \}, \newline     "string": "Hi" \newline \}; \newline  \newline // Access value \newline let name = obj1.data.name; \newline let age = obj1.data{[}"age"{]}; \newline  \newline // Add key-value \newline obj1.new\_key = "new key here"; \newline  \newline // Edit value \newline obj1.data.is\_admin = false; \newline  \newline // Delete key \newline delete obj1.string; \newline  \newline // Copy object \newline let obj2 = \seqsplit{JSON.parse(JSON.stringify(obj1));}} \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}{Array}}  \tn
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{8.4cm}}{const arr = {[}"english", "german", "french", "spanish"{]}; \newline  \newline // Get value \newline let first = arr{[}0{]}; \newline let last = arr{[}arr.length - 1{]}; \newline  \newline // Add item \newline arr.push("last\_item\_1", "last\_item\_2"); //at the end \newline arr.unshift("first\_item\_1", "first\_item\_2"); //at the beginning \newline  \newline // Edit value \newline arr{[}4{]} = "edit value"; \newline  \newline // Remove item \newline let another\_last = arr.pop(); //remove last item of array \newline let another\_first = arr.shift(); //remove first item of array \newline  \newline // Query index of value \newline let position = arr.indexOf("english"); \newline  \newline // From position 0, delete 1 item then add 3 other items \newline let s2 = arr.splice(0, 1, "text1", "text2", "text3");} \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}{Data format: Json}}  \tn
\SetRowColor{white}
\mymulticolumn{1}{x{8.4cm}}{Cặp key-value \newline % Row Count 1 (+ 1)
- Key là string \newline % Row Count 2 (+ 1)
- Value có thể là array, object, string, number, boolean hoặc null \newline % Row Count 4 (+ 2)
Không có dấu phảy cho item cuối cùng% Row Count 5 (+ 1)
} \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}{Example}}  \tn
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{8.4cm}}{\{ \newline     "id": 1, \newline     "name": \{ \newline         "first\_name": "Vernon", \newline         "last\_name": "Harper" \newline     \}, \newline     "email": "test@gmail.com", \newline     "is\_admin": true, \newline     "courses": {[}"Accounting", "Statistics"{]}, \newline     "other\_info": null \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}{JSON object}}  \tn
% Row 0
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{8.4cm}}{To convert Json \textless{}-{}-\textgreater{} String} \tn 
% Row Count 1 (+ 1)
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{8.4cm}}{JSON.parse(text) -{}-{}-\textgreater{} json \newline JSON.stringify(json) -{}-{}-\textgreater{} string}  \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}{Variables}}  \tn
% Row 0
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{8.4cm}}{{\bf{Global}}: cho toàn app postman} \tn 
% Row Count 1 (+ 1)
% Row 1
\SetRowColor{white}
\mymulticolumn{1}{x{8.4cm}}{{\bf{Collection}}: cho những request nằm trong collection} \tn 
% Row Count 3 (+ 2)
% Row 2
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{8.4cm}}{{\bf{Environment}}: cho những request nào sử dụng, không quan tâm collection} \tn 
% Row Count 5 (+ 2)
% Row 3
\SetRowColor{white}
\mymulticolumn{1}{x{8.4cm}}{{\bf{Data}}: khi đọc file data (csv hoặc json), chỉ có khi sử dụng Runner hoặc Newman} \tn 
% Row Count 7 (+ 2)
% Row 4
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{8.4cm}}{{\bf{Local}}: Khi sử dụng postman script} \tn 
% Row Count 8 (+ 1)
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{8.4cm}}{Thứ tự ưu tiên sẽ là:  \newline Local (mạnh nhất ) -\textgreater{} data -\textgreater{} environment - \textgreater{} collection -\textgreater{} global (yếu nhất) \newline Note:  \newline - object và array: trước khi set thành variable, cần phải {\bf{stringify}} trước \newline - object và array: sau khi get từ variable, cần phải {\bf{parse}} thì mới sử dụng được.}  \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}{Variable examples}}  \tn
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{8.4cm}}{\seqsplit{pm.globals.set('myVariable'}, MY\_VALUE); \newline pm.globals.get('myVariable'); \newline pm.globals.unset('myVariable'); \newline pm.globals.clear(); \newline  \newline pm.collectionVariables.set('myVariable', MY\_VALUE); \newline pm.collectionVariables.get('myVariable'); \newline pm.collectionVariables.unset('myVariable'); \newline pm.collectionVariables.clear(); \newline  \newline pm.environment.set('myVariable', MY\_VALUE); \newline pm.environment.get('myVariable'); \newline pm.environment.unset('myVariable'); \newline pm.environment.clear(); \newline pm.environment.name //show name of environment \newline  \newline pm.variables.set('myVariable', MY\_VALUE); \newline pm.variables.get('myVariable'); \newline pm.variables.unset('myVariable'); \newline pm.variables.clear(); \newline  \newline pm.iterationData.get('myVariable'); \newline  \newline pm.variables.replaceIn("myVariable");} \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}{Useful methods}}  \tn
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{8.4cm}}{// Get (n) random items from an array \newline \_.sample(array, {[}n{]}) \newline  \newline let courses\_arr = {[}"programming", "math", "economics", "statistic"{]}; \newline let courses = \_.sample(courses\_arr, 2); // {[}"math", "economics"{]} \newline  \newline //Get random number in a range start -\textgreater{} end \newline \_.random(0, 200) //120 \newline  \newline // Duplicate (n) times:  \newline let a = \_.times(3, \_.random(0, 10)); //{[} 6, 7, 2 {]} \newline  \newline  \newline //Make random string:  \newline Math.random().toString(36).substring(2) //3f4n66lsrq7} \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}


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

\end{document}