jQuery determines whether the checkbox is selected and selects all and inverts the selection implementation code_jquery

jQuery determines whether the checkbox is selected:
if($("#id").attr("checked")==true)

jQuery implements checkbox (checkbox) selection, all selection/inverse selection code:

Copy code The code is as follows:

 

  ;
                                                                                                                                                                    ; 🎜>       
       

        checkbox1
   checkbox2
   checkbox3
checkbox5">checkbox5
  checkbox6
  checkbox7
  checkbox8