JSFiddle - React, Tailwind, and code Playground

by Khalil Zhang

JavaScript

document.write('undefined + "": ' + (undefined + "") + '<br/>');
document.write('null + "":      ' + (null + "") + '<br/>');
document.write('true + "":      ' + (true + "") + '<br/>');
document.write('false + "":     ' + (false + "") + '<br/>');
document.write('NaN + "":       ' + (NaN + "") + '<br/>');
document.write('{} + "":        ' + ({} + "") + '<br/>');
document.write('[] + "":       ' + ([] + "") + '<br/>');
document.write('[1] + "":       ' + ([1] + "") + '<br/>');
document.write('[1,2,3] + "":       ' + ([1,2,3] + "") + '<br/>');
document.write('function() {} + "": ' + (function() {} + "") + '<br/>');