Скачать или смотреть How to Easily Fetch Name and Value from JSON Data in JavaScript

Learn how to extract `name` and `value` fields from JSON data using simple JavaScript technique. Perfect for beginners!
---
This video is based on the question https://stackoverflow.com/q/70301780/ asked by the user 'Surbhi Singhal' ( https://stackoverflow.com/u/17643164/ ) and on the answer https://stackoverflow.com/a/70302025/ provided by the user 'Suman Group' ( https://stackoverflow.com/u/17633245/ ) at 'Stack Overflow' website. Thanks to these great users and Stackexchange community for their contributions.

Visit these links for original content and any more details, such as alternate solutions, latest updates/developments on topic, comments, revision history etc. For example, the original title of the Question was: How to fetch name and value from below json data

Also, Content (except music) licensed under CC BY-SA https://meta.stackexchange.com/help/l...
The original Question post is licensed under the 'CC BY-SA 4.0' ( https://creativecommons.org/licenses/... ) license, and the original Answer post is licensed under the 'CC BY-SA 4.0' ( https://creativecommons.org/licenses/... ) license.

If anything seems off to you, please feel free to write me at vlogize [AT] gmail [DOT] com.
---
How to Easily Fetch Name and Value from JSON Data in JavaScript

When dealing with data, especially in web development, JSON (JavaScript Object Notation) is a format that you'll often come across. If you're new to programming or data handling, parsing JSON can seem daunting at first, but it's quite straightforward once you get the hang of it.

In this post, we'll explore how to extract the name and value fields from a given JSON data structure.

Understanding JSON Structure

Let's start by taking a look at the sample JSON data we'll be working with:

[[See Video to Reveal this Text or Code Snippet]]

This JSON consists of an array of objects, where each object contains two fields: name and value.

What We Want to Achieve

Our goal is to loop through this JSON array and print out each name and its corresponding value.

The Solution

Here we will outline a simple JavaScript code snippet that accomplishes this task efficiently.

Step-by-Step Guide

Store the JSON Data: First, you need to keep the JSON data in a variable. You can do this in JavaScript as follows:

[[See Video to Reveal this Text or Code Snippet]]

Set up a Loop: We'll use a for loop to iterate through each object in the data array.

Access the Fields: Within the loop, we can access each object's name and value properties.

Output the Result: Finally, we will display the extracted data.

Here’s how the entire code looks:

[[See Video to Reveal this Text or Code Snippet]]

Explanation of the Code:

var data initializes the JSON array with our data.

for (var i = 0; i < data.length; i++) sets up a loop that iterates over each object in the array based on its length.

data[i].name fetches the name field of the current object.

data[i].value fetches the value field of the current object.

document.write() is used to display the results on the webpage.

Conclusion

Fetching data from JSON is a fundamental skill for anyone looking to work with web data in JavaScript. By following the steps above, you can easily access and manipulate JSON data structures.

Whether you're building complex applications or simply learning, understanding how to efficiently handle JSON will enhance your programming toolkit. Happy coding!