How to access a json key in ReactJS?

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i have a render problem, in componentDidMount i use axios for a get call, after i assign the json with setstate

the problem is:

when i try to call json's key in render, they are undefined.. bacause componentdidmount works after render..

for example:

    export default class ShowDetails extends Component { 
constructor(props) { 
super(props); 
this.accountService=new AccountService(); 
this.state = { 
account:[] 
} 

} 

componentDidMount() { 
this.accountService.getAccount().then(r => this.setState({ account: r.data })); } 

render() { return ( {this.state.account.all.moneyavailable.Formatted} //this is undefined

I have alredy tried to move in other place the axios call, but without success

the json:

  {
"account": [
    {
        "saldoDisponibileFormatted": "1.664,57",
        "saldoContabileFormatted": "1.341,10",
        "value": "EUR",
        "debit": false,
        "productAlias": null,
        "bank": "bank",
        "iban": "IT31M0326801017052670700860",
        "moviments": [
            {
                "causShort": "Commissioni",
                "import": "1,00",
                "sign": "D"
            },

        ],
        "dateUpdate1": "n/d",
        "dateUpdate2": "4/12/2018"
    },

],
"all": {
    "moneyavailable": {
        "Formatted": "1950,82"
    },
    "moneyavailable2": {
        "Formatted": "31627,35"
    },
    "dateUpdate": "4/12/2018"
}

}

To access properties on your object you can do this:

const data = {
    "account": [
        {
            "saldoDisponibileFormatted": "1.664,57",
            "saldoContabileFormatted": "1.341,10",
            "value": "EUR",
            "debit": false,
            "productAlias": null,
            "bank": "bank",
            "iban": "IT31M0326801017052670700860",
            "moviments": [
                {
                    "causShort": "Commissioni",
                    "import": "1,00",
                    "sign": "D"
                },

            ],
            "dateUpdate1": "n/d",
            "dateUpdate2": "4/12/2018"
        },

    ],
    "all": {
        "moneyavailable": {
            "Formatted": "1950,82"
        },
        "moneyavailable2": {
            "Formatted": "31627,35"
        },
        "dateUpdate": "4/12/2018"
    }
}

console.log(data.all) // for the all key
console.log(data.account) // for the account key
console.log(data.all.moneyavailable.Formatted)

How to get Keys and values of a JSON object in React.js, What you need here is recursion. Though, there is something missing in your design, you are not defining the exact condition for when should  Stack Overflow for Teams is a private, secure spot for you and your coworkers to find and share information. Learn more Get access to array in JSON by ReactJS

Assuming your json is assigned to a property in your state called jsonData, you can access that property like this:

this.state.jsonData.all.moneyavailable.Formatted

Check the snippet below:

var jsonData = {
  "account": [
      {
          "saldoDisponibileFormatted": "1.664,57",
          "saldoContabileFormatted": "1.341,10",
          "value": "EUR",
          "debit": false,
          "productAlias": null,
          "bank": "bank",
          "iban": "IT31M0326801017052670700860",
          "moviments": [
              {
                  "causShort": "Commissioni",
                  "import": "1,00",
                  "sign": "D"
              },

          ],
          "dateUpdate1": "n/d",
          "dateUpdate2": "4/12/2018"
      },

  ],
  "all": {
      "moneyavailable": {
          "Formatted": "1950,82"
      },
      "moneyavailable2": {
          "Formatted": "31627,35"
      },
      "dateUpdate": "4/12/2018"
  }
}

console.log(jsonData.all.moneyavailable.Formatted);
alert(jsonData.all.moneyavailable.Formatted);

Accessing JSON object within an object, I'm a React noob but I've managed to use Axios to do the AJAX request. However I'm having trouble accessing the JSON elements I want. He… Get JSON key name [duplicate] Ask Question Asked 3 years, 11 months ago. Active 1 year, 11 months ago. Viewed 74k times 31. 7. This question already has answers here: Javascript get Object property Name (4 answers) Closed 3 years ago. I have the followin

Just store json in one variable.

var data = { ... json};
console.log(data.all.moneyavailable);

How to Display JSON data in ReactJS?, Display JSON data in React JS using various examples. </div> {experience.​roles.map(function (role, i) { return <div key={i}> Solutions You Must Read. Stack Overflow for Teams is a private, secure spot for you and your coworkers to find and share information. Learn more How to access the “key” property from a reactjs component

Iterating through JSON data in React, One of the things I've been struggling to get my head around in React is When we fetch this in React it returns an object full of JSON data that we then set React Components (including lifecycle methods) from Reactjs docs  JSON objects are surrounded by curly braces {}. JSON objects are written in key/value pairs. Keys must be strings, and values must be a valid JSON data type (string, number, object, array, boolean or null). Keys and values are separated by a colon. Each key/value pair is separated by a comma.

How to access nested JSON object Inside Array in react js, 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  When you run this code, you’ll be given a warning that a key should be provided for list items. A “key” is a special string attribute you need to include when creating lists of elements. We’ll discuss why it’s important in the next section. Let’s assign a key to our list items inside numbers.map() and fix the missing key issue.

#3 Try REACTJS Tutorial - Display Json Data, 3 - Try REACTJS Tutorial - Display Json Data Playlist - https://www.youtube.com/​playlist Duration: 5:22 Posted: Jun 13, 2018 When building applications in React, we often need to work with JSON data. This data could come from third party APIs or be read from external files. In this guide, we will work on a code example to load the JSON data from a file and render it inside a React component.

Comments
  • please show your code
  • "all":[ { "moneyavailable": { "Formatted": "1950,82" }, "moneyavailable2": { "Formatted": "31627,35" }, "dateUpdate": "4/12/2018" }]
  • assuming your JSON is called data then data.all.moneyavailable.Formatted (note the capital F)
  • As I requested above, can you please post the component with the state in your question too.
  • Please post the component with the state so I can check if the problem is async related. The json above is fine and so is the way I called it too.