text: Extract ' k ' bits from a given position in a number . | Function to extract k bits from p position and returns the extracted value as integer ; Driver code
code: function bitExtracted ( number , k , p ) { return ( ( ( 1 << k ) - 1 ) & ( number >> ( p - 1 ) ) ) ; } let number = 171 , k = 5 , p = 2 ; document . write ( " " , bitExtracted ( number , k , p ) ) ;