Shuu12121/CodeModernBERT-Crow-v3-len1024
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values | commit_sha stringlengths 40 40 | retrieved_at stringdate 2026-01-04 14:56:49 2026-01-05 02:23:25 | truncated bool 2
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leonardomso/33-js-concepts | https://github.com/leonardomso/33-js-concepts/blob/5cda73bac940173b77d19a23a208fea234ca6c33/index.js | index.js | /*
33 JavaScript Concepts is a project created to help JavaScript developers master their skills. It is a compilation of fundamental JavaScript concepts that are important and fundamental.
This project was inspired by an article written by Stephen Curtis.
Any kind of contribution is welcome. Feel free ... | javascript | MIT | 5cda73bac940173b77d19a23a208fea234ca6c33 | 2026-01-04T14:56:49.684692Z | false |
leonardomso/33-js-concepts | https://github.com/leonardomso/33-js-concepts/blob/5cda73bac940173b77d19a23a208fea234ca6c33/vitest.config.js | vitest.config.js | import { defineConfig } from 'vitest/config'
export default defineConfig({
test: {
include: ['tests/**/*.test.js'],
globals: false,
environment: 'node'
}
})
| javascript | MIT | 5cda73bac940173b77d19a23a208fea234ca6c33 | 2026-01-04T14:56:49.684692Z | false |
leonardomso/33-js-concepts | https://github.com/leonardomso/33-js-concepts/blob/5cda73bac940173b77d19a23a208fea234ca6c33/tests/async-javascript/callbacks/callbacks.test.js | tests/async-javascript/callbacks/callbacks.test.js | import { describe, it, expect, vi, beforeEach, afterEach } from 'vitest'
describe('Callbacks', () => {
// ============================================================
// OPENING EXAMPLES
// From callbacks.mdx lines 9-22, 139-155
// ============================================================
describe('... | javascript | MIT | 5cda73bac940173b77d19a23a208fea234ca6c33 | 2026-01-04T14:56:49.684692Z | true |
leonardomso/33-js-concepts | https://github.com/leonardomso/33-js-concepts/blob/5cda73bac940173b77d19a23a208fea234ca6c33/tests/async-javascript/callbacks/callbacks.dom.test.js | tests/async-javascript/callbacks/callbacks.dom.test.js | /**
* @vitest-environment jsdom
*/
import { describe, it, expect, vi, beforeEach, afterEach } from 'vitest'
// ============================================================
// DOM EVENT HANDLER CALLBACKS
// From callbacks.mdx lines 401-434
// Pattern 1: Event Handlers
// ==============================================... | javascript | MIT | 5cda73bac940173b77d19a23a208fea234ca6c33 | 2026-01-04T14:56:49.684692Z | false |
leonardomso/33-js-concepts | https://github.com/leonardomso/33-js-concepts/blob/5cda73bac940173b77d19a23a208fea234ca6c33/tests/functional-programming/higher-order-functions/higher-order-functions.test.js | tests/functional-programming/higher-order-functions/higher-order-functions.test.js | import { describe, it, expect, vi } from 'vitest'
describe('Higher-Order Functions', () => {
describe('Functions that accept functions as arguments', () => {
it('should execute the passed function', () => {
const mockFn = vi.fn()
function doTwice(action) {
action()
action()
... | javascript | MIT | 5cda73bac940173b77d19a23a208fea234ca6c33 | 2026-01-04T14:56:49.684692Z | false |
leonardomso/33-js-concepts | https://github.com/leonardomso/33-js-concepts/blob/5cda73bac940173b77d19a23a208fea234ca6c33/tests/functional-programming/map-reduce-filter/map-reduce-filter.test.js | tests/functional-programming/map-reduce-filter/map-reduce-filter.test.js | import { describe, it, expect } from 'vitest'
describe('map, reduce, filter', () => {
describe('map()', () => {
it('should transform every element in the array', () => {
const numbers = [1, 2, 3, 4]
const doubled = numbers.map(n => n * 2)
expect(doubled).toEqual([2, 4, 6, 8])
})
... | javascript | MIT | 5cda73bac940173b77d19a23a208fea234ca6c33 | 2026-01-04T14:56:49.684692Z | false |
leonardomso/33-js-concepts | https://github.com/leonardomso/33-js-concepts/blob/5cda73bac940173b77d19a23a208fea234ca6c33/tests/functional-programming/pure-functions/pure-functions.test.js | tests/functional-programming/pure-functions/pure-functions.test.js | import { describe, it, expect } from 'vitest'
describe('Pure Functions', () => {
describe('Rule 1: Same Input → Same Output', () => {
it('should always return the same result for the same inputs', () => {
// Pure function: deterministic
function add(a, b) {
return a + b
}
expect(... | javascript | MIT | 5cda73bac940173b77d19a23a208fea234ca6c33 | 2026-01-04T14:56:49.684692Z | false |
leonardomso/33-js-concepts | https://github.com/leonardomso/33-js-concepts/blob/5cda73bac940173b77d19a23a208fea234ca6c33/tests/functional-programming/recursion/recursion.test.js | tests/functional-programming/recursion/recursion.test.js | import { describe, it, expect } from 'vitest'
import { JSDOM } from 'jsdom'
describe('Recursion', () => {
describe('Base Case Handling', () => {
it('should return immediately when base case is met', () => {
function countdown(n) {
if (n <= 0) return 'done'
return countdown(n - 1)
}
... | javascript | MIT | 5cda73bac940173b77d19a23a208fea234ca6c33 | 2026-01-04T14:56:49.684692Z | false |
leonardomso/33-js-concepts | https://github.com/leonardomso/33-js-concepts/blob/5cda73bac940173b77d19a23a208fea234ca6c33/tests/functional-programming/currying-composition/currying-composition.test.js | tests/functional-programming/currying-composition/currying-composition.test.js | import { describe, it, expect } from 'vitest'
describe('Currying & Composition', () => {
describe('Basic Currying', () => {
describe('Manual Currying with Arrow Functions', () => {
it('should create a curried function with arrow syntax', () => {
const add = a => b => c => a + b + c
... | javascript | MIT | 5cda73bac940173b77d19a23a208fea234ca6c33 | 2026-01-04T14:56:49.684692Z | true |
leonardomso/33-js-concepts | https://github.com/leonardomso/33-js-concepts/blob/5cda73bac940173b77d19a23a208fea234ca6c33/tests/web-platform/http-fetch/http-fetch.test.js | tests/web-platform/http-fetch/http-fetch.test.js | "import { describe, it, expect, vi, beforeEach, afterEach } from 'vitest'\n\n// ====================(...TRUNCATED) | javascript | MIT | 5cda73bac940173b77d19a23a208fea234ca6c33 | 2026-01-04T14:56:49.684692Z | true |
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