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Javascript 2022-03-22 13:20:11
creating room in ws node js
const rooms = {}; wss.on("connection", socket => { const uuid = ...; // create here a uuid for this connection const leave = room => { // not present: do nothing if(! rooms[room][uuid]) return; // if the one exiting is t... Add solution -
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 2022-02-08 03:30:02
how to get property names from object using map method react
const arrayvals = [ { Number: 1, newNumber: "1", name: "FB" }, { Number: 3, newNumber: "2", name: "FB" }, { Number: 7, newNumber: "5", name: "GK" }, { Number: 8, newNumber: &quo... Add solution -
Javascript 2022-02-02 08:11:11
javascript foreach key value
myObject ={a:1,b:2,c:3} //es6 Object.entries(myObject).forEach(([key, value]) => { console.log(key , value); // key ,value }); //es7 Object.keys(myObject).forEach(key => { console.log(key , myObject[key]) // key , value }) Add solution