Data is not iterable react

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WebApr 5, 2024 · The JavaScript exception "is not iterable" occurs when the value which is given as the right-hand side of for...of, as argument of a function such as Promise.all or … WebSep 22, 2024 · First of all, make sure your res object has items and it must be an array. Then, change your forEach iterator to map, so it generates a new mapped array based on your res.items. let promises = res.items.map ( item => item.getDownloadURL () ); Promise.all (promises).then ( (downloadURLs) => { this.setState ( { urlImage: …

JavaScript For Of

WebMar 22, 2024 · You're essentially trying to do this on each iteration const [index, value] = this.state.pubsubtopics [0] // this is equivalent to const [index, value] = "one", for example. What you want to do is use this.state.pubsubtopics.entries (), which returns an array of key-value pairs. Here's an example: greenacres golf richmond bc

javascript - useEffect TypeError: not iterable - Stack Overflow

WebMar 10, 2024 · It simply indicates that the data returned by the endpoint is not a list or a list-like object so you can't do const [metaData, … WebMar 10, 2024 · this led me to this errr statement Error: Objects are not valid as a React child (found: object with keys {answer}). If you meant to render a collection of children, use an array instead. – dude_blag WebSep 14, 2024 · this.state is probably an Object, which is - indeed - not iterable (and therefore you can't use the spread operator on it). If you want to store an object in the localStorage, you can store it as a string, using: localStorage.setItem("userSubmit", JSON.stringify(this.state)); green acres golf course beecher wi

reactjs - TypeError: show.visible is not iterable. React hooks, state ...

WebMay 18, 2024 · react-hook-form / react-hook-form Public. Notifications Fork 1.7k; Star 34.3k. Code; Issues 3; Pull requests 5; Discussions; Actions; Projects 1; Security; Insights ... (data is not iterable) #5246. mason-smith opened this issue May 19, 2024 · 6 comments Labels. bug Something isn't working. Comments. Copy link WebApr 9, 2024 · Thanks for contributing an answer to Stack Overflow! Please be sure to answer the question.Provide details and share your research! But avoid …. Asking for help, clarification, or responding to other answers. greenacres golf scorecardWebDec 2, 2024 · The syntax of the for…of statement is as follows: for (variable of iterable) {. function or code block for execution. } variable: on each iteration this variable will be assigned the value of the element currently being processed. This variable can be declared with const, let, or var. greenacres golf course shartlesville pa

"WebJan 24, 2024 · import React, { useEffect, useState } from "react"; import axios from "axios"; import moment from "moment"; const Events = () => { const [events, setEvents] = useState ( { data: [] }); const [show, setshow] = useState ( { visible: 6 }); // HERE IS MY SHOW STATE AND INITIAL VALUE IS 6. useEffect ( () => { fetchingData (); }, []); const … " - Data is not iterable react

Data is not iterable react

Uncaught (in promise) TypeError: messages is not iterable

WebApr 27, 2024 · Here is the error I get TypeError: pick is not iterable (anonymous function) src/App.js:28 25 const [playerTurn, setPlayerTurn] = useState ("X"); 26 27 useEffect ( () => { > 28 setPlayerOne ( [...playerOne, ...pick]); ^ 29 }, [pick, playerOne]); I have used .push () and that gives the same error. What am I missing here? javascript WebAug 28, 2024 · Uncaught TypeError: formData is not iterable. I am trying to collect and create an object from different child components using hooks. There are multiple child components which will update a state in the parent and create a main object to send it to API. // creating a hook const [formData, setFormData] = useState ( {}); // Getting data …

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Web1 day ago · Environment variables are always passed from parent process to child process. You can't pass them "to a file". You can however use commands (sed, printf, envsubst, ....) to dynamically create an variable definition in a file.If this is what you want, you need to show how the variable definitions in this file looks like. WebJul 29, 2024 · Full Stack Development with React & Node JS(Live) Java Backend Development(Live) Android App Development with Kotlin(Live) Python Backend Development with Django(Live) Machine Learning and Data Science. Complete Data Science Program(Live) Mastering Data Analytics; New Courses. Python Backend …

WebJun 14, 2024 · Sorted by: 2. Problem solved! First of all I need to add arguments to context constructor: export const MyContext = React.createContext ( [ [], () => {}]); Second - I involuntary used insted in App.js file. This tutorial showed bad way for creating Context (be aware!) Web1 Answer. In your first example you used for..of which cannot be used on objects but on strings and arrays. To iterate an object either use for..in construct or you get the keys of the object into an array by using Object.keys (). const text = { name: "Coptic", ranges: [ [994, 1008], [11392, 11508], [11513, 11520]], direction: "ltr", year: -200 ...

WebApr 10, 2024 · TypeError: Invalid attempt to destructure non-iterable instance. In order to be iterable, non-array objects must have a Symbol.iterator method. for user when I import useAuth and it says that user is not an array. Followng is my firebase.js. import { getStorage } from 'firebase/storage'; // Import the functions you need from the SDKs you need ... WebOct 5, 2024 · After setting up the initial React project and calling data from the API using axios our object data will ... of statement creates a loop iterating over iterable objects, including: built-in ...

WebLearn JavaScript Learn jQuery Learn React Learn AngularJS Learn JSON Learn AJAX Learn AppML ... It lets you loop over iterable data structures such as Arrays, Strings, Maps, NodeLists, and more: ... or var. iterable - An object that has iterable properties. Browser Support. For/of was added to JavaScript in 2015 . Safari 7 was the first browser ...

WebJun 26, 2024 · I get this mistake, but I don't really understand what's wrong... => typeerror: data.slice is not a function or its return value is not iterable. Why does this mistake happen and why is ... greenacres golf road deal kentWeb34 minutes ago · React JS - Uncaught TypeError: this.props.data.map is not a function 440 React - uncaught TypeError: Cannot read property 'setState' of undefined flower innovationsWebYou must be certain that your iterator method returns an object which is an iterator, which is to say it must have a next method. const myEmptyIterable = { [ Symbol. iterator]() { return []; // [] is iterable, but it is not an iterator — it has no next method. } } Array.from( myEmptyIterable); // TypeError: myEmptyIterable is not iterable flower in ms paintWebOct 8, 2024 · react : array state is not iterable Ask Question Asked 1 year, 5 months ago Modified 1 year, 1 month ago Viewed 3k times 1 I have this array state : const [players, setPlayers] = useState ( []); I want every time I add a player, to add the new value in addition to the previous ones so I did this: flower in mason jarWebDec 13, 2024 · The useState call should be useState ( []). You'll need lists.map ( ( {item}, index) => (or lists.map (val and val.item) to get at the .... You can use e.g. console.log (lists), or a debugger, to see what's really happening.) You shouldn't use document.getElementById () with React, ever. flower inn florist richards bayWebAug 22, 2024 · I'm trying to share data between component using ContextAPI in ReactJs. But I have a stuck when using it. This err is : "TypeError: Object is not iterable (cannot read property Symbol(Symbol.iterator))" at line 7: *const [state, dispatch] = useContext(AppContext);* This is my code. file context.js green acres golf \u0026 games san antonioWebThe npm package react-native-axios receives a total of 815 downloads a week. As such, we scored react-native-axios popularity level to be Limited. Based on project statistics from the GitHub repository for the npm package react-native-axios, we found that it … flower in other languages