Sometimes the front end to write

 
FunctionEdit () {... } 
FunctionEditConfirm () {... } 

//==============

The function of the writing is more, 
Recent attempts to anonymous methods 
FunctionEdit () {
. 
XXX. Ok=()=& gt; {
//functionEditConfirm function 
,,,,,,} 
} 

Ask what is the difference between this method on the execution efficiency