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Javascript 2022-03-18 07:30:11
reverse keys and values in object javascript
//The concise way by using ES6 syntax like this. const obj = {A : 1, B : 2, C : 3, D : 4} function objectFlip(obj) { return Object.entries(obj).reduce((acc, [key, value]) => (acc[value] = key, acc), {}) } console.log('input: ',obj); console.lo... Add solution -
Javascript 2022-03-12 02:50:01
javascript check if string contains character
// With ES6 MDN docs .includes() "FooBar".includes("oo"); // true "FooBar".includes("foo"); // false "FooBar".includes("oo", 2); // false (2 is the start position for the search) // E: Not supor... Add solution -
Javascript 2022-02-22 21:25:11
iterate over node object children
/* HTML */ /* <ul class="navigation__secondary" id="navigation-bar"> <li class="navigation__secondary-item"> <span>Item</span> </li> <li class="navigation__secondary-item active&... Add solution -
Html 2022-02-18 02:55:08
what is Mongoose
import express from 'express'; or const exporess = require('express'); import mongoose from 'mongoose'; or const mongoose = require('mongoose'); const app = express(); mongoose.connect('mongodb://localhost:27017/mongo-tree' , { useNewUrlParser: true, ... Add solution -
Javascript 2022-02-02 20:55:16
angular adding delay
//You have to wait for TypeScript 2.0 with async/await for ES5 support as it now supported only for TS to ES6 compilation. //You would be able to create delay function with async: function delay(ms: number) { return new Promise( resolve => setTime... Add solution -
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