Ng-model does not update controller value

Cover Image for Ng-model does not update controller value
Matheus Mello
Matheus Mello
published a few days ago. updated a few hours ago

📝 Blog Post: Ng-model not updating controller value? Easy solutions ahead! 😎✨

Hey there tech enthusiasts! 😄 Are you facing an issue where your ng-model is not updating the controller value as expected? Don't worry, we've got you covered with easy solutions to get things rolling smoothly! Let's dive right in! 💪💻

🔍 The Problem:

In the provided context, the developer was perplexed as to why the view was updating correctly, but the console displayed "undefined" when clicking the button. Let's explore what might be causing this hiccup. 🕵️‍♂️🔍

⚙️ The Code Analysis:

Looking at the code snippet, we can identify a potential problem with the ng-model attribute binding. The ng-model is assigned to "searchText" which should be reflected correctly in the controller. However, there seems to be a bug preventing the correct value to be logged in the console. Hmm 🤔

🛠️ The Solution:

Fortunately, we have a simple solution to tackle this issue and get everything working smoothly again. Here's what you can do:

  1. Adjust the Property Name: Change the property name from "searchText" to "search.text" in your HTML code. This slight adjustment sets the stage for the subsequent steps. 🔄✨

  2. Define Object in the Controller: In your controller, create an empty object named "$scope.search". This object acts as a container for the "search.text" property, ensuring its value is correctly captured and updated. 📦✔️

    Example:

    $scope.search = {};
  3. Celebrate the Magic: With these simple changes, your ng-model should now update the controller value correctly! Celebrate the magic of problem-solving, even if the underlying reasons are uncertain. Remember, magic is what keeps things interesting! 🎩🎉

🔍📝 Updating the Code:

After applying the aforementioned solution, your code snippet should look like this:

<input type="text" ng-model="search.text" />
<button ng-click="check()">Check!</button>
{{ search.text }}
$scope.check = function() {
    console.log($scope.search.text);
}
$scope.search = {};

That's it! Your code should be working perfectly now! Pat yourself on the back, you've conquered this challenge like a tech hero! 💪🏆

❓ Puzzled by any other tech-related questions? We're here to help! Drop your queries in the comments below and our tech community will rally together to assist you! 🤝💡

Keep coding, stay curious, and may your tech adventures always be bug-free! Happy coding! 🚀🔥

Don't forget to follow us for more tech tips and tricks! 🌟 And remember, sharing is caring! Share this blog post with your fellow coding enthusiasts to help them out too! 🤩💻

#TechTroublesSolved #CodingSolutions #HappyCoding


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