value-inspector

{
  primitiveNull: null,

valueNaN: NaN,
  valueInfinity: Infinity,
  valueGlobalThis: globalThis,
  valueUndefined: undefined,

booleanTrue: true,
  booleanFalse: false,

textString: "a string",
  textRegExp: new RegExp("$ 🐈"),

numberZero: 0,
  numberOne: 1,

obj: {
    zero: 0,
    one: { two: 2, three: { four: 4 } },
  },
  objInline: {
    zero: 0,
    one: 1,
  },

fun() {},
  functionArrow: () => {},
  functionGenerator: function* () {}.constructor,

array: [0, 1],
  arrayLong: Array.from({ length: 10 }, (_, i) => i),
  arrayTwoD: Array.from({ length: 10 }, (_, i) => [i * 3, i * 3 + 1, i * 3 + 2]),
  arrayTyped: Float32Array.of(0, 1),
  arrayBuffer:  new ArrayBuffer(8),
  // arrayBufferShared: new SharedArrayBuffer(8),
  arrayDataView:  new DataView(new ArrayBuffer(8)),

error: new TypeError("Huhoh"),
  date: new Date(),

bigInt: BigInt(0x1fffffffffffff),

collectionMap: new Map([
    [0, "zero"],
    [1, "one"],
  ]),
  collectionSet: new Set([0, 1]),
  collectionWeakMap: new WeakMap(),
  collectionWeakSet: new WeakSet(),

symbol: Symbol("foo"),
  [Symbol("bar")]: "symbol-bar-value",

promise: Promise.resolve(),
  proxy: new Proxy({ zero: 0 }, {}),
}