Check if the array has an element which is equal to product of remaining elements | Function to Check if the array has an element which is equal to product of all the remaining elements ; Calculate the product of all the elements ; Return true if any such element is found ; If no element is found ; Driver code
function CheckArray ( arr , n ) { let prod = 1 ; for ( let i = 0 ; i < n ; ++ i ) prod *= arr [ i ] ; for ( let i = 0 ; i < n ; ++ i ) if ( arr [ i ] == prod / arr [ i ] ) return true ; return false ; } let arr = [ 1 , 2 , 12 , 3 , 2 ] ; let n = arr . length ; if ( CheckArray ( arr , n ) ) document . write ( " " ) ; else document . write ( " " ) ;