`.find` vs `.some` perf

const { List } = require('immutable'); const ITEM_IN_LIST = 1000000; const ITEM_TO_FIND = 5000; function getAHugeList() { return List(Array(ITEM_IN_LIST).fill(null).map(() => Math.floor(ITEM_IN_LIST * Math.random()))); } function timeFunction(name, callback) { console.time(name); callback(); console.timeEnd(name); } const l = getAHugeList(); const findItem= (i) => i === ITEM_TO_FIND; timeFunction('find', () => l.find(findItem)); timeFunction('some', () => l.some(findItem));