JAVASCRIPT

javascript truthy values

// this alls are truthy values including empty object and array,
// excluding empty string (empty string is falsy value)
if ([]) {
  console.log('✅ This runs');
}

if ({}) {
  console.log('✅ This runs');
}

if (true) {
  console.log('✅ This runs');
}

if ('test') {
  console.log('✅ This runs');
}

javascript truthy values and falsy values

// Truthy values

/*
	true
    {}
    []
    42
    "0"
    "false"
    new Date()
    -42
    12n
    3.14
    -3.14
    Infinity
    -Infinity
*/


// Falsy values

/*
  false
  0
  -0
  0n
  "", '', ``
  null
  undefined
  NaN
*/

Truthy and Falsy js

//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