Check for Majority Element in a sorted array |  ;
function isMajorityElement ( arr , n , key ) { if ( arr [ parseInt ( n / 2 , 10 ) ] == key ) return true ; else return false ; } let arr = [ 1 , 2 , 3 , 3 , 3 , 3 , 10 ] ; let n = arr . length ; let x = 3 ; if ( isMajorityElement ( arr , n , x ) ) document . write ( x + " " + parseInt ( n / 2 , 10 ) + " " ) ; else document . write ( x + " " + " " + parseInt ( n / 2 , 10 ) + " " ) ;