For Truthiness
JavaScript
var i =0,
truthyArray = [
true + true,
false + false,
(false=="false"),
(true=="true"),
(0 == true),
(null == false),
(null == null),
(undefined == undefined),
(undefined == null),
(true==1),
(true==0),
(false==0),
(false==-1),
(typeof(NaN)==typeof(1))
];
for(i=0;i<truthyArray.length;i++){
console.info(truthyArray[i]);
}