So I have this:  let total = newDealersDeckTotal.reduce(function(a, b) {   return a + b; }, 0);  console.log(total, 'tittal'); //outputs correct total setTimeout(() => {   this.setState({dealersOverallTotal: total}); }, 10);  console.log...
I know that React may perform state updates asynchronously and in batch for performance optimization. Therefore you can never trust the state to be updated after having called setState. But can you trust React to update the state in the same order...
In my react component im trying to implement a simple spinner while an ajax request is in progress - im using state to store the loading status.   For some reason this piece of code below in my React component throws this error      Can only update a...
I'm still fairly new at React, but I've been grinding along slowly and I've encountered something I'm stuck on.   I am trying to build a "timer" component in React, and to be honest I don't know if I'm doing this right...
I'm writing a module that takes article data from json and shows a large image over the article text, a hero module as they say.  I've got the data and have set it up so if there is an image, it will show that image and if there is no image i...
I want to load a different image(fake avatar) while the final avatar image is loading. The idea is to detect when the prop image is loaded and change a state. Is it possible? Some ideas? Thank you!  class ImageUser extends React.Component {  construc...
I am creating a simple chat app where I make an api call to my database via axios which returns an array of message objects. I am able to get the data when I make an axios call in componentWillMount. Then I am trying to setState to display the conver...
I'm having a problem with a component that gets data from an array in localstorage.  It gets the initial data when the page loads, but how do I update when localstorage is changed?  import React, {Component} from 'react';      class Movie...
I have a react-big-calendar (The parent container), I have also a select which, the events of the calendar are fetched according to this select ( doctor name ) and I have a button when I click on it, the dialog will be appears (another component), on...
I have a couple of routes in my AngularJS app, I'm using UI-Router for routing between states/pages in my site. An issue I am having is that I have conflicting routes because of a optional parameter I have/need for the homepage of the site.  I ha...

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