Скачать или смотреть How to Convert a Text List into a JSON Object with JavaScript and jQuery

Discover how to easily transform HTML lists into JSON objects using JavaScript or jQuery for dynamic web development.
---
This video is based on the question https://stackoverflow.com/q/67890487/ asked by the user 'Dan' ( https://stackoverflow.com/u/13220118/ ) and on the answer https://stackoverflow.com/a/67890845/ provided by the user 'umut ilbas' ( https://stackoverflow.com/u/11125528/ ) 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: Convert text list into JSON object (javascript or jquery)

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 Convert a Text List into a JSON Object with JavaScript and jQuery

When working with dynamic web data, particularly in scenarios where data is pulled from a CMS, you might find yourself needing to convert a text list to a JSON object. This is a common requirement, especially when you're looking to create cascading select/option lists on your web pages. In this guide, we'll explore how to effectively convert a text list embedded in HTML into a JSON object using JavaScript or jQuery.

The Problem: Turning HTML Data into JSON

Consider this HTML snippet that dynamically generates a list of countries:

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

Your goal is to extract the text from each country and convert it into a JSON array that looks like this:

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

This JSON format will allow you to utilize the data in various ways, including creating cascading dropdowns for user selection.

The Solution: Extracting the Text List Using jQuery

Fortunately, with jQuery, converting this list into a JSON object is a straightforward task. Here’s a step-by-step guide on how you can achieve this:

Step 1: Prepare an Array to Hold the Data

Start by initializing an empty array where you will store the country names.

Step 2: Iterate Over Each Element

Use jQuery’s each() function to loop through each .select-item-country element. This function allows you to access every instance of the class and extract the text contained within.

Step 3: Push the Data into Your Array

As you extract each country’s name, push it to your previously initialized array. Finally, log the array to verify that the extraction has worked correctly.

Example Code

Here's how you can implement these steps in code:

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

Key Points to Note

Dynamic Data: The HTML data you are working with is dynamically generated. This means that as new items are added or removed from the CMS, your script should still function seamlessly without needing modifications.

jQuery Requirement: Ensure that your project includes the jQuery library, which is required to take advantage of jQuery's simplified syntax and functions.

Final Thoughts

Converting HTML lists into JSON arrays is a powerful technique that can enhance the interactivity of your web applications. Whether you’re building dropdown menus or collecting user selections, understanding how to manipulate data with JavaScript or jQuery opens up a world of possibilities.

By following these steps, you’ll be well on your way to harnessing the power of JSON in your JavaScript and jQuery projects. Happy coding!