arguments.md

var arguments = 1; //: number

(function() { return arguments.length; })(); //: number

[
  {
    "id": "21ee89f0-90cb-11e5-8932-83dde5be5f56",
    "name": "arguments",
    "addr": "/arguments/",
    "kind": "v",
    "type": "number",
    "lineno": 1,
    "origin": {
      "!span": "4[0:4]-13[0:13]",
      "!type": "number",
      "!data": {
        "isConstructor": false,
        "type": "Number.prototype"
      }
    },
    "tagfile": "__DIR__/arguments.js"
  }
]

arguments	__DIR__/arguments.js	/arguments/;"	v	lineno:1	type:number