javascript truthy

JavaScript
//Checking truthy and falsy value

function truthyOrFalsy (val) { 
    if(val) {
      return true
    } else {
      return false
    }
}

console.log(truthyOrFalsy(0)) // print false
console.log(truthyOrFalsy(5)) // print true// Truthy values:

// All values are truthy, BUT (excluding) the following:
0
''
undefined
null
NaN
Source

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