Abstract Syntax Tree

ast.json

{
    "type": "Program",
    "body": [
        {
            "type": "VariableDeclaration",
            "declarations": [
                {
                    "type": "VariableDeclarator",
                    "id": {
                        "type": "Identifier",
                        "name": "hw"
                    },
                    "init": {
                        "type": "Literal",
                        "value": "hello world",
                        "raw": "'hello world'"
                    }
                }
            ],
            "kind": "const"
        },
        {
            "type": "ExpressionStatement",
            "expression": {
                "type": "CallExpression",
                "callee": {
                    "type": "MemberExpression",
                    "computed": false,
                    "object": {
                        "type": "Identifier",
                        "name": "console"
                    },
                    "property": {
                        "type": "Identifier",
                        "name": "log"
                    }
                },
                "arguments": [
                    {
                        "type": "Identifier",
                        "name": "hw"
                    }
                ]
            }
        }
    ],
    "sourceType": "script"
}