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i am getting the json from api but it is not converting to array previously i got the values but from this code i am not getting the value

this is my code:

componentWillMount() {
    let initialFilename;
    fetch('http://localhost/Generator/FetchfileDetails.php')
        .then(response=>{
            return response.json();
        }).then(data=>{
            alert(data.filename);
        });
}

the key value in my json is filename is to be stored in array how to do???

i recommended u used package axios for GET data,it's so easily to use..

axios.get('API').then(response=>{console.log(response)})

You can insert this code in the componentDidMount function

if u want to see the full documentation axios,This Link

How to access nested JSON object Inside Array in react js, After creating a JSON file in react. js src folder and import the work folder use the javascript file import method. import data from “./data. how to get data from json array in react js. Ask Question Asked 1 year, 4 months ago. Active 1 year, 4 months ago. Viewed 1k times 0. i am getting the json from api

First thing keep in mind don't use componentWillMount() method to fetch the data.

Ref: https://reactjs.org/docs/faq-ajax.html#how-can-i-make-an-ajax-call

Use following,

componentDidMount(){  
     fetch("http://localhost/Generator/FetchfileDetails.php") 
        .then(res=> res.json())
        .then(data=>{ //here you can set data to state })
}

How to Display JSON data in ReactJS?, json file contains a complex data which have inner nodes(array) up-to first and second level. The Example1 component display the SocialMedias array data, the � Hey, Rajdeep Singh here. in the post, I’m telling you How to access nested JSON object Inside Array in react.js with easy step. JSON (JavaScript Object Notation) is a lightweight data-interchange…

You can try instead of response.json() you can do:

fetch("http://localhost/Generator/FetchfileDetails.php") .then(response=>{ return JSON.parse(response) }).then(data=>{ alert(data);})

Also, if you say the response is supposed to be an array, you can't use data.filename , you have to do data['filename'] , data.filename is for object responses

How to Display Key and Value Pairs from JSON in ReactJS , How to Display Key and Value Pairs from JSON in ReactJS JSON (JavaScript Object Notation) is a lightweight data-interchange format. It is easy to read and write and for machines to parse and generate. A JSON value can be an object, array, number, string, true, false, or null, and JSON structure can� A common use of JSON is to exchange data to/from a web server. Stringify a JavaScript Array. It is also possible to stringify JavaScript arrays:

Load and Render JSON Data into React Components, Say you have a data set in JSON format containing information on js. stockData is a JSON array containing dummy stock prices of some� To get the JSON data from the response, we execute the json() function. The json() function also returns a promise. This is why we just return it and chain another then function. In the second then function we get the actual JSON data as a parameter. This data looks just like the data in our JSON file. Now we can take this data and display it

Accessing JSON object within an object, I'm working with an API that shows data for cryptocurrencies called CryptoCompare. require('react-number-format'); class App extends Component Can't map through the data without this because the data is not an array. I haven't tested your code but I did have a look at the JSON response, but I think� Arrays in JSON are almost the same as arrays in JavaScript. In JSON, array values must be of type string, number, object, array, boolean or null. In JavaScript, array values can be all of the above, plus any other valid JavaScript expression, including functions, dates, and undefined.

Iterating through JSON data in React, When we fetch this in React it returns an object full of JSON data that In our child component we would then receive the data as Props from we are going to have to loop through and output each array item as a table row. 1. Creating the react app. Create a new project with the npm command. Open a command window and write the following line: npx create-react-app json-manipulation. It will create the folder of the project. After installation, write this command in the cmd window to go to the folder: cd json-manipulation

Comments
  • [{"slno":"2","filename":"newfile1txt","filepath":"Uploads\/TextFiles\/newfile1txt"},{"slno":"4","filename":"newfile2txt","filepath":"Uploads\/TextFiles\/newfile2txt"}] my json is like this i am not getting the filename i am getting undifined..