Creating a Table from JSON Data Using ng-repeat in AngularJS

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Learn how to easily create a table from JSON data in AngularJS using the ng-repeat directive.
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Creating a Table from JSON Data Using ng-repeat in AngularJS

When working with AngularJS, leveraging the ng-repeat directive is a powerful way to create dynamic tables from JSON data. This enables developers to display data in a structured format, making it easier to read and analyze.

Understanding ng-repeat

The ng-repeat directive in AngularJS is used to iterate over a collection (such as an array or an object) and generate a corresponding set of DOM elements for each item. This is particularly useful for creating lists, tables, and other repeatable elements based on the data provided.

Example Scenario

Imagine you have a JSON array of employee data that you want to present in a table format. Here's how you can achieve that using AngularJS.

Sample JSON Data

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

HTML Template with AngularJS

To create a table from this JSON data, you need to follow these steps:

Include AngularJS Library: Ensure you have the AngularJS library included in your project.

Create an AngularJS App: Define an AngularJS module and controller.

Use ng-repeat in HTML: Use ng-repeat to iterate over the JSON data and populate the table rows.

Here’s a complete example:

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

Breakdown

Include AngularJS Library: The AngularJS library is included via a CDN link in the <head> section.

AngularJS App and Controller:

An AngularJS module named employeeApp is created.

A controller named employeeCtrl is defined, within which the JSON data is assigned to the $scope.

Using ng-repeat:

The ng-repeat directive is used within a <tr> element to iterate over the employees array.

Data binding expressions {{ }} are used to display the values of name, position, and salary for each employee.

This approach ensures that the table dynamically updates based on the JSON data provided in the controller. Any changes to the JSON data would automatically be reflected in the table without additional code modifications.

Conclusion

Creating a table from JSON data using AngularJS and the ng-repeat directive is a straightforward and efficient way to display structured data on a webpage. This method highlights the power and simplicity of AngularJS in handling dynamic, data-driven content. Try this example in your projects to efficiently display JSON data in a table format.