p : undefined delete p: false p : undefined q : 10 delete q: false q : 10 test2_value : 10 delete test2_value: true delete test2_value passed test2_local : 20 delete test2_local: true delete test2_local passed Test3 x : 10 y: hello z: undefined delete x: false delete x: false delete x: false Test3 x : 10 y: hello z: undefined Test4 x : 10 y: hello z: undefined Test4 arguments[0] : 10 arguments[1]: hello arguments[2]: undefined delete arguments[0]: true delete arguments[2]: true Test4 x : 10 y: hello z: undefined Test4 arguments[0] : undefined arguments[1]: hello arguments[2]: undefined Test5: delete function false test5_func() :100 Test6: delete this: true Test7: delete test7_value: false Test8: delete arguments: false Test9: delete exception: false Test10: delete exception: false Test11: delete x: true Test12: delete x: true Test13: delete x: false Test14: delete f: false Test15: delete f: true Test16: delete f: true Test17: delete test17_value: false Test18: delete test18_value: false test18_value : 10 Test19: delete test19_value: true test19_value : 10 o.test19_value : undefined Test20: delete test20_value: false test20_value : 10 Test21: delete test21_value: true test21_value : 10 o.test21_value : undefined Test22: delete test22_value: true test22_value : 10 o1.test22_value : 20 o2.test22_value : 30 o3.test22_value : 40 o4.test22_value : undefined Test23: delete test23_value: true test23_value : 10 o1.test23_value : 20 o2.test23_value : 30 o3.test23_value : 40 o4.test23_value : undefined Test24: delete Test24_value: true Test24_value : 10 o.Test24_value : undefined Test25: delete Test25_value: true Test25_value : 1 o.Test25_value : undefined Test26: delete Test26_value: false Test26_value : 1 o.Test26_value : undefined Test27: delete Test27_value: false Test27_value : 1 o.Test27_value : undefined Func28.1 :function Func28.2 :number Func28: delete Func28: true Func28.3 :function Func28.4 :number Func28: delete Func28: true Func28.5 :function Expr29.1 :function Expr29.2 :number Expr29: delete Expr29: true Expr29.3 :function Expr29.4 :number Expr29: delete Expr29: true Expr29.5 :function Func30.1 :function Func30.2 :number Func30.3 :object Func30.4 :object Func30: delete Func30: true Func30.5 :function Func30: delete Func30: false Func30.6 :function Func30.7 :function Expr31.1 :function Expr31.2 :number Expr31.3 :object Expr31.4 :object Expr31: delete Expr31: true Expr31.5 :function Expr31: delete Expr31: false Expr31.6 :function Expr31.7 :function