[Record] dynamic control jquery div hide or display

Determining a current state 1.jQuery element is shown or hidden 

$ ( "# id") is . ( ': Visible'); // true display, false hidden 

$ ( "# id") is ( ': hidden. '); // true hidden, false display 

IF ($ ( "ID #") iS. (': hidden ')) { 

　　// logic code 

} 



2.jQuery css control of the display 

$ ( "ID #") .show (); // indicate Run the display: Block 

$ ( "# the above mentioned id") hide (); // expressed Run the display:. none 

. $ ( "# the above mentioned id") Toggle (); // visible state of the switching elements 

$ ( "#id") CSS ( 'Run the display', 'none');. 

. $ ( "# the above mentioned id") CSS ( 'Run the display', 'Block');