vscode-wasm/scratch.nnb at main · microsoft/vscode-wasm · GitHub

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{
    "cells": [
        {
            "language": "typescript",
            "source": [
                "function create(x: number) {\n\treturn { print() { console.log(x); } };\n}\n\nlet x = create(10);\nlet y = create(11);\n\nx.print();\ny.print();\nconsole.log(x.print === y.print);"
            ],
            "outputs": [
                {
                    "items": [
                        {
                            "mime": "application/vnd.code.notebook.stdout",
                            "value": [
                                "10",
                                "11",
                                "false",
                                ""
                            ]
                        }
                    ]
                }
            ]
        },
        {
            "language": "typescript",
            "source": [
                "{\n\tconst buffer = new ArrayBuffer(16);\n\tconst view = new DataView(buffer, 0, 4);\n\tview.getInt32(16);\n}"
            ],
            "outputs": [
                {
                    "items": [
                        {
                            "mime": "application/vnd.code.notebook.error",
                            "value": {
                                "name": "RangeError",
                                "message": "Offset is outside the bounds of the DataView",
                                "stack": "    at DataView.getInt32 (<anonymous>)\n    at <Cell 2> [4, 14]\n    at <Cell 2> [8, 46]\n    at Script.runInContext (node:vm:135:12)\n    at Script.runInNewContext (node:vm:140:17)\n    at Object.runInNewContext (node:vm:292:38)\n    at C (/home/dirkb/.vscode-server-insiders/extensions/donjayamanne.typescript-notebook-2.0.6/out/extension/server/index.js:2:113345)\n    at t.execCode (/home/dirkb/.vscode-server-insiders/extensions/donjayamanne.typescript-notebook-2.0.6/out/extension/server/index.js:2:114312)\n    at k.<anonymous> (/home/dirkb/.vscode-server-insiders/extensions/donjayamanne.typescript-notebook-2.0.6/out/extension/server/index.js:2:142156)\n    at k.emit (node:events:514:28)"
                            }
                        }
                    ]
                }
            ]
        },
        {
            "language": "typescript",
            "source": [
                "const ab = new ArrayBuffer(1024);\nconst ib = new Int32Array(ab, 256, 2);\nconsole.log(ib.byteOffset);\nconsole.log(ib.byteLength);"
            ],
            "outputs": [
                {
                    "items": [
                        {
                            "mime": "application/vnd.code.notebook.stdout",
                            "value": [
                                "256",
                                "8",
                                ""
                            ]
                        }
                    ]
                }
            ]
        },
        {
            "language": "typescript",
            "source": [
                "const buffer = new ArrayBuffer(4);\n\nconst array = new Uint32Array(buffer);\narray[0] = 305419896;\n\nconst bytes = new Uint8Array(buffer);\n\nfor (const byte of bytes) {\n\tconsole.log(byte.toString(16));\n}\n"
            ],
            "outputs": [
                {
                    "items": [
                        {
                            "mime": "application/vnd.code.notebook.stdout",
                            "value": [
                                "78",
                                "56",
                                "34",
                                "12",
                                ""
                            ]
                        }
                    ]
                }
            ]
        },
        {
            "language": "typescript",
            "source": [
                "Math.ceil( 7451 / 8) * 8;"
            ],
            "outputs": [
                {
                    "items": [
                        {
                            "mime": "text/plain",
                            "value": [
                                "\u001b[33m7456\u001b[39m"
                            ]
                        }
                    ]
                }
            ]
        },
        {
            "language": "typescript",
            "source": [
                "const sbuffer = new SharedArrayBuffer(1024);\nconst view = new DataView(sbuffer);\nconst p = { a: 305419896, b: 305419896, c: 305419896, d: 305419896 };\nconst start = Date.now();\nfor (let i = 0; i < 10000000; i++) {\n\tview.setUint32(0, p.a);\n\tview.setUint32(4, p.b);\n\tview.setUint32(8, p.c);\n\tview.setUint32(12, p.d);\n}\nconsole.log(Date.now() - start);"
            ],
            "outputs": [
                {
                    "items": [
                        {
                            "mime": "application/vnd.code.notebook.stdout",
                            "value": [
                                "5021",
                                ""
                            ]
                        }
                    ]
                }
            ]
        },
        {
            "language": "typescript",
            "source": [
                "const param = { a: 305419896, b: 305419896, c: 305419896, d: 305419896, e: 'dirk' };\nconst start2 = Date.now();\nfor (let i = 0; i < 10000000; i++) {\n\tJSON.stringify(param);\n}\nconsole.log(Date.now() - start2);"
            ],
            "outputs": [
                {
                    "items": [
                        {
                            "mime": "application/vnd.code.notebook.stdout",
                            "value": [
                                "3655",
                                ""
                            ]
                        }
                    ]
                }
            ]
        },
        {
            "language": "typescript",
            "source": [
                "try {\n\tthrow new Error(10);\n} catch (e) {\n\tconsole.log(e.stack);\n}"
            ],
            "outputs": [
                {
                    "items": [
                        {
                            "mime": "application/vnd.code.notebook.stdout",
                            "value": [
                                "Error: 10",
                                "    at <Cell 8> [2, 7]",
                                "    at <Cell 8> [9, 46]",
                                "    at Script.runInContext (node:vm:148:12)",
                                "    at Script.runInNewContext (node:vm:153:17)",
                                "    at Object.runInNewContext (node:vm:309:38)",
                                "    at C (/home/dirkb/.vscode-server-insiders/extensions/donjayamanne.typescript-notebook-2.0.6/out/extension/server/index.js:2:113345)",
                                "    at t.execCode (/home/dirkb/.vscode-server-insiders/extensions/donjayamanne.typescript-notebook-2.0.6/out/extension/server/index.js:2:114312)",
                                "    at k.<anonymous> (/home/dirkb/.vscode-server-insiders/extensions/donjayamanne.typescript-notebook-2.0.6/out/extension/server/index.js:2:142156)",
                                "    at k.emit (node:events:519:28)",
                                "    at k.emit (node:domain:488:12)",
                                ""
                            ]
                        }
                    ]
                }
            ]
        }
    ]
}