typewriter-effect in Vanilla JS and React
0 likes • Jan 25, 2023
JavaScript
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const deepMerge = (a, b, fn) =>[...new Set([...Object.keys(a), ...Object.keys(b)])].reduce((acc, key) => ({ ...acc, [key]: fn(key, a[key], b[key]) }),{});deepMerge({ a: true, b: { c: [1, 2, 3] } },{ a: false, b: { d: [1, 2, 3] } },(key, a, b) => (key === 'a' ? a && b : Object.assign({}, a, b)));// { a: false, b: { c: [ 1, 2, 3 ], d: [ 1, 2, 3 ] } }
import { configureStore } from "@reduxjs/toolkit";import { combineReducers } from "redux";import profile from "./profile";import auth from "./auth";import alert from "./alert";const reducer = combineReducers({profile,auth,alert,});const store = configureStore({ reducer });export default store;
const bucketSort = (arr, size = 5) => {const min = Math.min(...arr);const max = Math.max(...arr);const buckets = Array.from({ length: Math.floor((max - min) / size) + 1 },() => []);arr.forEach(val => {buckets[Math.floor((val - min) / size)].push(val);});return buckets.reduce((acc, b) => [...acc, ...b.sort((a, b) => a - b)], []);};bucketSort([6, 3, 4, 1]); // [1, 3, 4, 6]
var d = new Date();var d = new Date(milliseconds);var d = new Date(dateString);var d = new Date(year, month, day, hours, minutes, seconds, milliseconds);
const union = (...arr) => [...new Set(arr.flat())];// Exampleunion([1, 2], [2, 3], [3]); // [1, 2, 3]
const shuffle = ([...arr]) => {let m = arr.length;while (m) {const i = Math.floor(Math.random() * m--);[arr[m], arr[i]] = [arr[i], arr[m]];}return arr;};const foo = [1, 2, 3];shuffle(foo); // [2, 3, 1], foo = [1, 2, 3]