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How to create JSON object dynamically via JavaScript?

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Sometimes, we want to create JSON object dynamically via JavaScript.

In this article, we’ll look at how to create JSON object dynamically via JavaScript.

How to create JSON object dynamically via JavaScript?

To create JSON object dynamically via JavaScript, we can create the object we want.

Then we call JSON.stringify to convert the object into a JSON string.

For instance, we write

let sitePersonnel = {};
let employees = [];
sitePersonnel.employees = employees;
console.log(sitePersonnel);

let firstName = "John";
let lastName = "Smith";
let employee = {
  firstName,
  lastName,
};
sitePersonnel.employees.push(employee);

console.log(JSON.stringify(sitePersonnel));

to create the sitePersonnel object that has various properties.

Then we call JSON.stringify to convert the sitePersonnel object into a JSON string.

Conclusion

To create JSON object dynamically via JavaScript, we can create the object we want.

Then we call JSON.stringify to convert the object into a JSON string.

By John Au-Yeung

Web developer specializing in React, Vue, and front end development.

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