() 想到的是什么函数执行, so
(function{})(), equals xx=function(){}, then xx(), first parethese define the anonymous function XX, then excute this funciton
GSName=GSName||{} //define a global namesapce
GSName
(function{})(), equals xx=function(){}, then xx(), first parethese define the anonymous function XX, then excute this funciton
GSName=GSName||{} //define a global namesapce
GSName