Is there any elegant way of removing an object from an array which is part of an array? I have been working with React and Redux for a while now but get stuck several hours everytime I have to remove or insert data without mutating the state.  The re...

if objects are mutable by default why in this case it dosen't work? How to make mutation  value of the key "a" in the object "s"?    var s = {   a: "my string" };  s.a[0] = "9"; // mutation console.log(s.a); // doe...

I know that Reducers are just pure functions that take the previous state and an action, and return a new state objects, instead of mutating the previous state. But although direct mutations are not Redux's philosophy, it's still possible (or...

n00b question here:  Suppose you call a function that updates a number or string like this  var x = "well"; var helloify = function(str){   str += "hello" };   I'd expect this behavior:  helloify(x); console.log(x) \\ "well he...

After the user clicks a button I want to replace the data in my vuex store with the data from my local object. But I am stuck at the mutation. Here is some code for more details.  This is the method that is called after the user clicks a button. (thi...

let records = {   2018: {     Jan: {       records: [{          id: 123,          date: '01-Jan-2018',          amount: 300,         type: 'expense'        }],       totalExpenses: 300,       totalIncome: 0     },     Feb: {       r...

When you look at this excerpt of "An Elm introduction":  subscriptions : Model -> Sub Msg subscriptions model =   Time.every 1000 Tick   The model parameter passed to the function subscriptions must correspond to the current model of the a...

I'm trying to store the access token into the createStore (index.js) and then redirect the user to go to another webpage once they login.   For this I need to create a mutation within mutations.js so that I can set the access token and set the re...

I have a object stored as key, value pairs in a url as query params. The keys of that object may change, and I want to use each of the key, value pairs in that object to update the key, value pairs of a state object in a redux app. I need to do so in...

I have an array of objects that displays in a table on my html page in one of my Vue components. The array of objects is data in the state of a Vuex store.  export const store = new Vuex.Store({     state: {         jobs: [{...},{...},{...},{...},{.....