Check if a value is null or undefined. ```javascript const lolite = require("lolite.isnil") const assert = require("node:assert")
npm install lolite.isniljavascript
const lolite = require("lolite.isnil")
const assert = require("node:assert")
assert.ok(lolite.isNil(null))
assert.ok(lolite.isNil(undefined))
assert.ok(lolite.isNil()) // if you pass nothing into a function, JS coerces to undefined
assert.ok(!lolite.isNil("anything else"))
``