Truthy and Falsy Things

Estimated reading: 1 minute 52 views

				
					 ’0’;
 ’any string’; // an string
 []; // an empty array
 {}; // an empty object
 1; // any non-zero number

				
					0;
 ’’; // an empty string
 NaN; // JavaScript’s ”not-a-number” variable
 null;
 undefined; // be careful-- undefined can be redefined!