Adding parameter to ng-click function inside ng-repeat doesn"t seem to work

Matheus Mello
Matheus Mello
September 2, 2023
Cover Image for Adding parameter to ng-click function inside ng-repeat doesn"t seem to work

Adding parameter to ng-click function inside ng-repeat doesn't seem to work! 😕

So, you have a beautiful ng-repeat loop in your Angular app, and you want to add a parameter to the ng-click function, but it's just not working for you. Fear not, my friend! I'm here to help you understand this common issue and provide you with easy solutions. Let's dive right in! 💪

The Problem 🤔

Here's a glimpse of the code that's causing you trouble:

<li ng-repeat='task in tasks'>
  <p>{{task.name}}</p>
  <button ng-click="removeTask({{task.id}})">remove</button>
</li>

And you have a function in your controller called removeTask(taskID).

It's important to note that Angular first renders the view and replaces the interpolated expression ({{task.id}}) with the actual value before evaluating the ng-click directive. So, in theory, the ng-click should look something like ng-click="removeTask(5)". But it's not quite working as expected. 😓

The Solution 💡

The issue here lies in the way we're passing the parameter to the ng-click function. Instead of using the double curly braces ({{}}), we need to directly pass in the task.id value. Like this:

<li ng-repeat='task in tasks'>
  <p>{{task.name}}</p>
  <button ng-click="removeTask(task.id)">remove</button>
</li>

This way, when the ng-click event is triggered, it will call the removeTask function with the correct parameter. Problem solved! 🎉

The Angular Way 🌟

You mentioned that you thought using a code to retrieve the task.id from the $tasks array or the DOM didn't seem like the "Angular way". And you're absolutely right! Angular provides us with a much cleaner and more efficient approach.

By directly passing in the task.id as a parameter to the ng-click function, we're using the power of Angular's two-way data binding. This means that any changes made to task.id will automatically reflect in the ng-click function. It's like magic! ✨

Your Turn! 👊

Now that you know how to add dynamic content to the ng-click directive inside an ng-repeat loop, it's time to put your newfound knowledge to use! Go ahead and implement this fix in your code, and see the magic happen. 💫

And remember to share this blog post with your fellow Angular enthusiasts who might be facing the same issue. Sharing is caring! ❤️️

If you have any questions or other Angular-related topics you'd like me to cover, feel free to leave a comment below. Let's keep the conversation going! 🗣️

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