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Get Key names where key values is equal to true - reactjs

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by vsasikalabe dot icon Updated: Feb 21, 2023

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Keys are used to identifying the items that have been changed, added, or removed. Keys should be unique among their siblings when used in the array. They will not be globally unique. We have to allocate the keys inside the array to the element to get the stable identity elements. 


The state and props are always in an object format in React. The state and props values are accessed via key-value pair. You can use the object's key name to access the normal state object. Wrap the boolean in curly braces to pass a boolean as props to a component in React. Always visibility is based on the constant true being one and constant false being 0. You create your object (including its id property) and then add it to the result array. An array of the given object's own countable string-keyed property key-value pairs. Each key-value pair in an array has two elements: the first element is the property key (which is always a string), and the second element is the property value. 

An object is an unordered group of key-value pairs (key: value). Each key will be a property, and a string should be a property name. The value of a property can be of any data type. It will be a string, an array, a number, or even a function. The stringified representation will be used if a non-string is given as the key. 


Here is an example of how to get key names where key values are equal to true using Reactjs: 

Preview of the output that you will get on running this code from your IDE.

Code:

In this solution we use the React library.

Get Key names where key values is equal to true - reactjs

JavaScriptdotLines of Code : 25dotLicense : Strong Copyleft (CC BY-SA 4.0)

export default function App() {
  const data = {
    MTs: {
      Dashboard: {
        id: 1,
        visible: true
      },
      Datatable: {
        id: 1,
        visible: true
      },
      "Change Status": {
        id: 1,
        visible: false
      }
    }
  };

  const { MTs } = data;

  return Object.keys(MTs)
    .filter((property) => (MTs[property].visible ? property : false))
    .map((item) => <div>{item}</div>);
}

Instructions

Follow the steps carefully to get the output easily.

  1. Install the Node.js and React on your IDE(preferable Visual Studio Code).
  2. Create React Application using npx create-react-app foldername.
  3. cd foldername.
  4. Open the folder in IDE.
  5. Copy the code using "copy" button above and paste it in App.js file(remove the earlier code from App.js).
  6. Import React library.
  7. Open the terminal from IDE.
  8. npm start to run the file.


You can also refer this url DEMO for getting the above output.

I hope you found this useful. I have added the link to dependent libraries, version information in the following sections.


I found this code snippet by searching for Get Key names where key values is equal to true - reactjs in kandi. You can try any such use case!

Environment Tested

I tested this solution in the following versions. Be mindful of changes when working with other versions.

  1. The solution is created in VS Code 1.73.1 version.
  2. The solution is tested on Nodejs 16.14.2 version.
  3. react 18.2.0 version.


Using this solution, we are able to get Key names where key values is equal to true - reactjs with simple steps. This process also facilities an easy way to use, hassle-free method to create a hands-on working version of code which would help us to get Key names where key values is equal to true - reactjs.

Dependent Libraries

create-react-appby facebook

JavaScript doticonstar image 100082 doticonVersion:v5.0.1doticon
License: Permissive (MIT)

Set up a modern web app by running one command.

Support
    Quality
      Security
        License
          Reuse

            create-react-appby facebook

            JavaScript doticon star image 100082 doticonVersion:v5.0.1doticon License: Permissive (MIT)

            Set up a modern web app by running one command.
            Support
              Quality
                Security
                  License
                    Reuse

                      You can search for any dependent library on kandi like react.

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