How to Update checked Values in a Nested Array of Objects with Vue.js

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The Problem at Hand

Imagine you have the following JavaScript object structure representing a list of items, each with its own set of options. Each option has an id and a Boolean property named checked that indicates whether it is selected:

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Step 1: Setting Up Your Vue Instance

Begin by initializing a new Vue instance. You'll want to define your nested data structure as part of the data property in your Vue instance:

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Step 2: Creating the HTML Template

Next, you’ll need to create the corresponding HTML structure where users can interact with the data. Using the v-for directive allows you to iterate over your array and options dynamically:

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Step 3: Connecting the Checkbox to the checked Property

The magic happens with the v-model directive. By using v-model on the checkbox input, you're directly binding it to the checked property of each option. This means that when the user checks or unchecks an option, Vue will automatically update the corresponding property in your data model in real time.

Live Demo

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This code allows users to update the checked status by simply clicking on the checkboxes, and the changes will reflect immediately in the displayed value below.

Conclusion

With practice, you’ll find that managing complex data structures isn’t as daunting as it seems. Happy coding!