Function that return true if num is armstrong else return false
function isArmstrong ( x ) { let n = ( x ) . toString ( ) . length ; let sum1 = 0 ; let temp = x ; while ( temp > 0 ) { let digit = temp % 10 ; sum1 += Math . pow ( digit , n ) ; temp = Math . floor ( temp / 10 ) ; } if ( sum1 == x ) return true ; return false ; }