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EXPRESSION: new Set
{
  "_type": "object",
  "_subtype": "set",
  "_objectId": "<filtered>",
  "_description": "Set",
  "_size": 0,
  "_preview": {
    "_type": "object",
    "_subtype": "set",
    "_description": "Set",
    "_lossless": true,
    "_overflow": false,
    "_size": 0,
    "_properties": [],
    "_entries": []
  }
}

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EXPRESSION: set = new Set; set.add(1); set.add(2); set.add("key"); set
{
  "_type": "object",
  "_subtype": "set",
  "_objectId": "<filtered>",
  "_description": "Set",
  "_size": 3,
  "_preview": {
    "_type": "object",
    "_subtype": "set",
    "_description": "Set",
    "_lossless": true,
    "_overflow": false,
    "_size": 3,
    "_properties": [],
    "_entries": [
      {
        "_value": {
          "_type": "number",
          "_description": "1",
          "_lossless": true,
          "_overflow": false,
          "_properties": null,
          "_entries": null
        }
      },
      {
        "_value": {
          "_type": "number",
          "_description": "2",
          "_lossless": true,
          "_overflow": false,
          "_properties": null,
          "_entries": null
        }
      },
      {
        "_value": {
          "_type": "string",
          "_description": "key",
          "_lossless": true,
          "_overflow": false,
          "_properties": null,
          "_entries": null
        }
      }
    ]
  }
}

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EXPRESSION: set = new Set; set.add({a:1}); set.add(document.body); set.add([1,2]); set
{
  "_type": "object",
  "_subtype": "set",
  "_objectId": "<filtered>",
  "_description": "Set",
  "_size": 3,
  "_preview": {
    "_type": "object",
    "_subtype": "set",
    "_description": "Set",
    "_lossless": false,
    "_overflow": false,
    "_size": 3,
    "_properties": [],
    "_entries": [
      {
        "_value": {
          "_type": "object",
          "_description": "Object",
          "_lossless": true,
          "_overflow": false,
          "_properties": [
            {
              "_name": "a",
              "_type": "number",
              "_value": "1"
            }
          ],
          "_entries": null
        }
      },
      {
        "_value": {
          "_type": "object",
          "_subtype": "node",
          "_description": "<body>",
          "_lossless": false,
          "_overflow": true,
          "_properties": [
            {
              "_name": "aLink",
              "_type": "string",
              "_value": ""
            },
            {
              "_name": "background",
              "_type": "string",
              "_value": ""
            },
            {
              "_name": "bgColor",
              "_type": "string",
              "_value": ""
            },
            {
              "_name": "link",
              "_type": "string",
              "_value": ""
            },
            {
              "_name": "text",
              "_type": "string",
              "_value": ""
            }
          ],
          "_entries": null
        }
      },
      {
        "_value": {
          "_type": "object",
          "_subtype": "array",
          "_description": "Array",
          "_lossless": true,
          "_overflow": false,
          "_size": 2,
          "_properties": [
            {
              "_name": "0",
              "_type": "number",
              "_value": "1"
            },
            {
              "_name": "1",
              "_type": "number",
              "_value": "2"
            }
          ],
          "_entries": null
        }
      }
    ]
  }
}

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EXPRESSION: set = new Set; for (var i = 0; i <= 100; i++) set.add(i); set
{
  "_type": "object",
  "_subtype": "set",
  "_objectId": "<filtered>",
  "_description": "Set",
  "_size": 101,
  "_preview": {
    "_type": "object",
    "_subtype": "set",
    "_description": "Set",
    "_lossless": false,
    "_overflow": true,
    "_size": 101,
    "_properties": [],
    "_entries": [
      {
        "_value": {
          "_type": "number",
          "_description": "0",
          "_lossless": true,
          "_overflow": false,
          "_properties": null,
          "_entries": null
        }
      },
      {
        "_value": {
          "_type": "number",
          "_description": "1",
          "_lossless": true,
          "_overflow": false,
          "_properties": null,
          "_entries": null
        }
      },
      {
        "_value": {
          "_type": "number",
          "_description": "2",
          "_lossless": true,
          "_overflow": false,
          "_properties": null,
          "_entries": null
        }
      },
      {
        "_value": {
          "_type": "number",
          "_description": "3",
          "_lossless": true,
          "_overflow": false,
          "_properties": null,
          "_entries": null
        }
      },
      {
        "_value": {
          "_type": "number",
          "_description": "4",
          "_lossless": true,
          "_overflow": false,
          "_properties": null,
          "_entries": null
        }
      }
    ]
  }
}

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EXPRESSION: set = new Set; set.add(set); set
{
  "_type": "object",
  "_subtype": "set",
  "_objectId": "<filtered>",
  "_description": "Set",
  "_size": 1,
  "_preview": {
    "_type": "object",
    "_subtype": "set",
    "_description": "Set",
    "_lossless": false,
    "_overflow": false,
    "_size": 1,
    "_properties": [],
    "_entries": [
      {
        "_value": {
          "_type": "object",
          "_subtype": "set",
          "_description": "Set",
          "_lossless": false,
          "_overflow": true,
          "_size": 1,
          "_properties": [],
          "_entries": []
        }
      }
    ]
  }
}

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EXPRESSION: set = new WeakSet; strongKey = {id:1}; set.add(strongKey); set
{
  "_type": "object",
  "_subtype": "weakset",
  "_objectId": "<filtered>",
  "_description": "WeakSet",
  "_size": 1,
  "_preview": {
    "_type": "object",
    "_subtype": "weakset",
    "_description": "WeakSet",
    "_lossless": true,
    "_overflow": false,
    "_size": 1,
    "_properties": [],
    "_entries": [
      {
        "_value": {
          "_type": "object",
          "_description": "Object",
          "_lossless": true,
          "_overflow": false,
          "_properties": [
            {
              "_name": "id",
              "_type": "number",
              "_value": "1"
            }
          ],
          "_entries": null
        }
      }
    ]
  }
}