{
  "type": "Script",
  "span": {
    "start": 115,
    "end": 483,
    "ctxt": 0
  },
  "body": [
    {
      "type": "VariableDeclaration",
      "span": {
        "start": 115,
        "end": 126,
        "ctxt": 0
      },
      "kind": "var",
      "declare": false,
      "declarations": [
        {
          "type": "VariableDeclarator",
          "span": {
            "start": 119,
            "end": 125,
            "ctxt": 0
          },
          "id": {
            "type": "Identifier",
            "span": {
              "start": 119,
              "end": 120,
              "ctxt": 0
            },
            "value": "a",
            "optional": false,
            "typeAnnotation": null
          },
          "init": {
            "type": "NumericLiteral",
            "span": {
              "start": 123,
              "end": 125,
              "ctxt": 0
            },
            "value": 10.0,
            "raw": "10"
          },
          "definite": false
        }
      ]
    },
    {
      "type": "ExpressionStatement",
      "span": {
        "start": 127,
        "end": 134,
        "ctxt": 0
      },
      "expression": {
        "type": "MemberExpression",
        "span": {
          "start": 127,
          "end": 133,
          "ctxt": 0
        },
        "object": {
          "type": "ThisExpression",
          "span": {
            "start": 127,
            "end": 131,
            "ctxt": 0
          }
        },
        "property": {
          "type": "Identifier",
          "span": {
            "start": 132,
            "end": 133,
            "ctxt": 0
          },
          "value": "a",
          "optional": false
        }
      }
    },
    {
      "type": "ExpressionStatement",
      "span": {
        "start": 135,
        "end": 142,
        "ctxt": 0
      },
      "expression": {
        "type": "MemberExpression",
        "span": {
          "start": 135,
          "end": 141,
          "ctxt": 0
        },
        "object": {
          "type": "ThisExpression",
          "span": {
            "start": 135,
            "end": 139,
            "ctxt": 0
          }
        },
        "property": {
          "type": "Identifier",
          "span": {
            "start": 140,
            "end": 141,
            "ctxt": 0
          },
          "value": "b",
          "optional": false
        }
      }
    },
    {
      "type": "ExpressionStatement",
      "span": {
        "start": 143,
        "end": 156,
        "ctxt": 0
      },
      "expression": {
        "type": "MemberExpression",
        "span": {
          "start": 143,
          "end": 155,
          "ctxt": 0
        },
        "object": {
          "type": "Identifier",
          "span": {
            "start": 143,
            "end": 153,
            "ctxt": 0
          },
          "value": "globalThis",
          "optional": false
        },
        "property": {
          "type": "Identifier",
          "span": {
            "start": 154,
            "end": 155,
            "ctxt": 0
          },
          "value": "a",
          "optional": false
        }
      }
    },
    {
      "type": "ExpressionStatement",
      "span": {
        "start": 157,
        "end": 170,
        "ctxt": 0
      },
      "expression": {
        "type": "MemberExpression",
        "span": {
          "start": 157,
          "end": 169,
          "ctxt": 0
        },
        "object": {
          "type": "Identifier",
          "span": {
            "start": 157,
            "end": 167,
            "ctxt": 0
          },
          "value": "globalThis",
          "optional": false
        },
        "property": {
          "type": "Identifier",
          "span": {
            "start": 168,
            "end": 169,
            "ctxt": 0
          },
          "value": "b",
          "optional": false
        }
      }
    },
    {
      "type": "ExpressionStatement",
      "span": {
        "start": 254,
        "end": 261,
        "ctxt": 0
      },
      "expression": {
        "type": "MemberExpression",
        "span": {
          "start": 254,
          "end": 260,
          "ctxt": 0
        },
        "object": {
          "type": "Identifier",
          "span": {
            "start": 254,
            "end": 258,
            "ctxt": 0
          },
          "value": "self",
          "optional": false
        },
        "property": {
          "type": "Identifier",
          "span": {
            "start": 259,
            "end": 260,
            "ctxt": 0
          },
          "value": "a",
          "optional": false
        }
      }
    },
    {
      "type": "ExpressionStatement",
      "span": {
        "start": 262,
        "end": 269,
        "ctxt": 0
      },
      "expression": {
        "type": "MemberExpression",
        "span": {
          "start": 262,
          "end": 268,
          "ctxt": 0
        },
        "object": {
          "type": "Identifier",
          "span": {
            "start": 262,
            "end": 266,
            "ctxt": 0
          },
          "value": "self",
          "optional": false
        },
        "property": {
          "type": "Identifier",
          "span": {
            "start": 267,
            "end": 268,
            "ctxt": 0
          },
          "value": "b",
          "optional": false
        }
      }
    },
    {
      "type": "ExpressionStatement",
      "span": {
        "start": 270,
        "end": 279,
        "ctxt": 0
      },
      "expression": {
        "type": "MemberExpression",
        "span": {
          "start": 270,
          "end": 278,
          "ctxt": 0
        },
        "object": {
          "type": "Identifier",
          "span": {
            "start": 270,
            "end": 276,
            "ctxt": 0
          },
          "value": "window",
          "optional": false
        },
        "property": {
          "type": "Identifier",
          "span": {
            "start": 277,
            "end": 278,
            "ctxt": 0
          },
          "value": "a",
          "optional": false
        }
      }
    },
    {
      "type": "ExpressionStatement",
      "span": {
        "start": 280,
        "end": 289,
        "ctxt": 0
      },
      "expression": {
        "type": "MemberExpression",
        "span": {
          "start": 280,
          "end": 288,
          "ctxt": 0
        },
        "object": {
          "type": "Identifier",
          "span": {
            "start": 280,
            "end": 286,
            "ctxt": 0
          },
          "value": "window",
          "optional": false
        },
        "property": {
          "type": "Identifier",
          "span": {
            "start": 287,
            "end": 288,
            "ctxt": 0
          },
          "value": "b",
          "optional": false
        }
      }
    },
    {
      "type": "ExpressionStatement",
      "span": {
        "start": 290,
        "end": 296,
        "ctxt": 0
      },
      "expression": {
        "type": "MemberExpression",
        "span": {
          "start": 290,
          "end": 295,
          "ctxt": 0
        },
        "object": {
          "type": "Identifier",
          "span": {
            "start": 290,
            "end": 293,
            "ctxt": 0
          },
          "value": "top",
          "optional": false
        },
        "property": {
          "type": "Identifier",
          "span": {
            "start": 294,
            "end": 295,
            "ctxt": 0
          },
          "value": "a",
          "optional": false
        }
      }
    },
    {
      "type": "ExpressionStatement",
      "span": {
        "start": 297,
        "end": 303,
        "ctxt": 0
      },
      "expression": {
        "type": "MemberExpression",
        "span": {
          "start": 297,
          "end": 302,
          "ctxt": 0
        },
        "object": {
          "type": "Identifier",
          "span": {
            "start": 297,
            "end": 300,
            "ctxt": 0
          },
          "value": "top",
          "optional": false
        },
        "property": {
          "type": "Identifier",
          "span": {
            "start": 301,
            "end": 302,
            "ctxt": 0
          },
          "value": "b",
          "optional": false
        }
      }
    },
    {
      "type": "VariableDeclaration",
      "span": {
        "start": 329,
        "end": 340,
        "ctxt": 0
      },
      "kind": "var",
      "declare": false,
      "declarations": [
        {
          "type": "VariableDeclarator",
          "span": {
            "start": 333,
            "end": 339,
            "ctxt": 0
          },
          "id": {
            "type": "Identifier",
            "span": {
              "start": 333,
              "end": 334,
              "ctxt": 0
            },
            "value": "b",
            "optional": false,
            "typeAnnotation": null
          },
          "init": {
            "type": "NumericLiteral",
            "span": {
              "start": 337,
              "end": 339,
              "ctxt": 0
            },
            "value": 10.0,
            "raw": "10"
          },
          "definite": false
        }
      ]
    },
    {
      "type": "ExpressionStatement",
      "span": {
        "start": 341,
        "end": 348,
        "ctxt": 0
      },
      "expression": {
        "type": "MemberExpression",
        "span": {
          "start": 341,
          "end": 347,
          "ctxt": 0
        },
        "object": {
          "type": "ThisExpression",
          "span": {
            "start": 341,
            "end": 345,
            "ctxt": 0
          }
        },
        "property": {
          "type": "Identifier",
          "span": {
            "start": 346,
            "end": 347,
            "ctxt": 0
          },
          "value": "a",
          "optional": false
        }
      }
    },
    {
      "type": "ExpressionStatement",
      "span": {
        "start": 349,
        "end": 356,
        "ctxt": 0
      },
      "expression": {
        "type": "MemberExpression",
        "span": {
          "start": 349,
          "end": 355,
          "ctxt": 0
        },
        "object": {
          "type": "ThisExpression",
          "span": {
            "start": 349,
            "end": 353,
            "ctxt": 0
          }
        },
        "property": {
          "type": "Identifier",
          "span": {
            "start": 354,
            "end": 355,
            "ctxt": 0
          },
          "value": "b",
          "optional": false
        }
      }
    },
    {
      "type": "ExpressionStatement",
      "span": {
        "start": 357,
        "end": 370,
        "ctxt": 0
      },
      "expression": {
        "type": "MemberExpression",
        "span": {
          "start": 357,
          "end": 369,
          "ctxt": 0
        },
        "object": {
          "type": "Identifier",
          "span": {
            "start": 357,
            "end": 367,
            "ctxt": 0
          },
          "value": "globalThis",
          "optional": false
        },
        "property": {
          "type": "Identifier",
          "span": {
            "start": 368,
            "end": 369,
            "ctxt": 0
          },
          "value": "a",
          "optional": false
        }
      }
    },
    {
      "type": "ExpressionStatement",
      "span": {
        "start": 371,
        "end": 384,
        "ctxt": 0
      },
      "expression": {
        "type": "MemberExpression",
        "span": {
          "start": 371,
          "end": 383,
          "ctxt": 0
        },
        "object": {
          "type": "Identifier",
          "span": {
            "start": 371,
            "end": 381,
            "ctxt": 0
          },
          "value": "globalThis",
          "optional": false
        },
        "property": {
          "type": "Identifier",
          "span": {
            "start": 382,
            "end": 383,
            "ctxt": 0
          },
          "value": "b",
          "optional": false
        }
      }
    },
    {
      "type": "ExpressionStatement",
      "span": {
        "start": 434,
        "end": 441,
        "ctxt": 0
      },
      "expression": {
        "type": "MemberExpression",
        "span": {
          "start": 434,
          "end": 440,
          "ctxt": 0
        },
        "object": {
          "type": "Identifier",
          "span": {
            "start": 434,
            "end": 438,
            "ctxt": 0
          },
          "value": "self",
          "optional": false
        },
        "property": {
          "type": "Identifier",
          "span": {
            "start": 439,
            "end": 440,
            "ctxt": 0
          },
          "value": "a",
          "optional": false
        }
      }
    },
    {
      "type": "ExpressionStatement",
      "span": {
        "start": 442,
        "end": 449,
        "ctxt": 0
      },
      "expression": {
        "type": "MemberExpression",
        "span": {
          "start": 442,
          "end": 448,
          "ctxt": 0
        },
        "object": {
          "type": "Identifier",
          "span": {
            "start": 442,
            "end": 446,
            "ctxt": 0
          },
          "value": "self",
          "optional": false
        },
        "property": {
          "type": "Identifier",
          "span": {
            "start": 447,
            "end": 448,
            "ctxt": 0
          },
          "value": "b",
          "optional": false
        }
      }
    },
    {
      "type": "ExpressionStatement",
      "span": {
        "start": 450,
        "end": 459,
        "ctxt": 0
      },
      "expression": {
        "type": "MemberExpression",
        "span": {
          "start": 450,
          "end": 458,
          "ctxt": 0
        },
        "object": {
          "type": "Identifier",
          "span": {
            "start": 450,
            "end": 456,
            "ctxt": 0
          },
          "value": "window",
          "optional": false
        },
        "property": {
          "type": "Identifier",
          "span": {
            "start": 457,
            "end": 458,
            "ctxt": 0
          },
          "value": "a",
          "optional": false
        }
      }
    },
    {
      "type": "ExpressionStatement",
      "span": {
        "start": 460,
        "end": 469,
        "ctxt": 0
      },
      "expression": {
        "type": "MemberExpression",
        "span": {
          "start": 460,
          "end": 468,
          "ctxt": 0
        },
        "object": {
          "type": "Identifier",
          "span": {
            "start": 460,
            "end": 466,
            "ctxt": 0
          },
          "value": "window",
          "optional": false
        },
        "property": {
          "type": "Identifier",
          "span": {
            "start": 467,
            "end": 468,
            "ctxt": 0
          },
          "value": "b",
          "optional": false
        }
      }
    },
    {
      "type": "ExpressionStatement",
      "span": {
        "start": 470,
        "end": 476,
        "ctxt": 0
      },
      "expression": {
        "type": "MemberExpression",
        "span": {
          "start": 470,
          "end": 475,
          "ctxt": 0
        },
        "object": {
          "type": "Identifier",
          "span": {
            "start": 470,
            "end": 473,
            "ctxt": 0
          },
          "value": "top",
          "optional": false
        },
        "property": {
          "type": "Identifier",
          "span": {
            "start": 474,
            "end": 475,
            "ctxt": 0
          },
          "value": "a",
          "optional": false
        }
      }
    },
    {
      "type": "ExpressionStatement",
      "span": {
        "start": 477,
        "end": 483,
        "ctxt": 0
      },
      "expression": {
        "type": "MemberExpression",
        "span": {
          "start": 477,
          "end": 482,
          "ctxt": 0
        },
        "object": {
          "type": "Identifier",
          "span": {
            "start": 477,
            "end": 480,
            "ctxt": 0
          },
          "value": "top",
          "optional": false
        },
        "property": {
          "type": "Identifier",
          "span": {
            "start": 481,
            "end": 482,
            "ctxt": 0
          },
          "value": "b",
          "optional": false
        }
      }
    }
  ],
  "interpreter": null
}