JSFiddle - React, Tailwind, and code Playground
by donabrams
HTML
0 == "0": <div id="0"></div>
0 == false: <div id="1"></div>
"0" == false: <div id="2"></div>
"" == false: <div id="3"></div>
" " == false: <div id="4"></div>
"1" == false: <div id="5"></div>
var a = null; a == undefined: <div id="6"></div>JavaScript
$("#0").html( (0 == "0") ? "true" : "false");
$("#1").html( (0 == false) ? "true" : "false");
$("#2").html( ("0" == false) ? "true" : "false");
$("#3").html( ("" == false) ? "true" : "false");
$("#4").html( (" " == false) ? "true" : "false");
$("#5").html( ("1" == false) ? "true" : "false");
var a = null;
$("#6").html( (a == undefined) ? "true" : "false");