Cannot destructure an object

I fetched and object which contains two properties, one is a number and one is an array. So I right away accessed the array and then assigned to a state and then passed each item to another component …

react context provider return undefine as component

this the first time to me with context in Reactjs and have this problem Error: Element type is invalid: expected a string (for built-in components) or a class/function (for composite components) but …

React Hooks: useState updater function: Why does this hook remove the object upon drag?

I have a marker on a map which takes this function upon dragging: function handleOnDragEndUpdateMarker(e) { var markerIndex = e.target.options.marker_index; var markerLatLng = e.target….

I get an Error from React: Maximum update depth exceeded

I wrote my codes and i think everything is right but i get an error from react.js Error: Maximum update depth exceeded. This can happen when a component repeatedly calls setState inside …

Context value (coming from state) gets cleared while refreshing the page

I have a react application which I am using context API as a state management in it. I get the a specific value from the server, assign it to a component state and then store it as the context value. …