var name="window name";              var obj={                  name:"obj name",                  getNameFunc:function(){                      //this 是object                      return function(){                          //this 是window                          return this.name;                      }                  }              }              console.log(obj.getNameFunc()())//window name

var name="window name";              var obj={                  name:"obj name",                  getNameFunc:function(){                      //this 是object                    var self=this;                      return function(){                          //this 是window                          return self.name;                      }                  }              }              console.log(obj.getNameFunc()())//obj name

var name="window";var obj={  name:"lilei",  f:function(){     return function(){       return this.name;     }   }};obj.f()();//"window"

var obj={  name:"lilei",  f:function(){     return this.name;   }};obj.f();//"lilei"

var name="window";var obj={  name:"lilei",  f:function(){     return this.name;   }};obj.f();//lilei