WebFeb 7, 2024 · as a beginner I'am having trouble getting the data from my product data file I follow a online tutorial but I'm stuck with this issue : react-dom.development.js:20135 Uncaught TypeError: _productsData__PACK_IMPORTED_MODULE_2___default.a.map is not a … WebMay 9, 2015 · 0. You might need to convert the objects into an array to use the map function since you are getting the JSON data in array form, I changed it to: const [data, setData] = useState ( []); from: const [data, setData] = useState (0); I Hope, it might be helpful for you. Thanks. Share. Improve this answer.
TypeError: .map is not a function - React application
WebSep 30, 2024 · We can use MAP function only on Array's, not on Objects. And also the Profile data which you are actually searching is inside the "data" key of the data … WebJan 25, 2024 · The .map is not a function error This error is usually due to the fact that .map () is an array method, and does not work with other data types like strings or … notts and arnold cc
ReactJS: this.props.data.map is not a function - Stack Overflow
WebMay 31, 2024 · 1. To map the json object ... data must be an object... Not a string. It was received as a string... So you just have to parse it to an object. Here, it is chained with the .map () method: JSON.parse (data).map (addElement); But you could have done (same thing): var dataObj = JSON.parse (data); dataObj.map (addElement); WebJul 30, 2024 · During the initial render, you don't have data for students in state, resolveData is called with empty data and columns with accessor set. The resolve data could not map columns with empty data and returned undefined. On undefined data, you can't call map method of Array. With the default state updated, initially you would see default values. WebFor more generic advice on debugging this kind of problem MDN have a good article TypeError: "x" is not a function: It was attempted to call a value like a function, but the value is not actually a function. Some code expects you to provide a function, but that didn't happen. Maybe there is a typo in the function name? notts alliance fixtures