JSFiddle - React, Tailwind, and code Playground

listing true and falsy values

by jonchius

HTML

<ul id="output"></ul>

JavaScript

initialize();

function initialize() {

  var x = [];
  x.push(0, 1, 2, "", "0", null, undefined, NaN);

	// evaluates and prints the value of each of the above 
  $.each(x, function(i, v) {

      if (i >= 3) {
          // evaluate and print integers
        $("#output").append("<li>" + "\"" + String(v) + "\" is " + Boolean(v) + "</li>");
      } else { 
          // evaluate and print non-integers
          $("#output").append("<li>" + v + " is " + Boolean(v) + "</li>");
      }

  });

}