Why won't AngularJS ng-click function properly?

I'm attempting to implement form validation using JavaScript. However, when I include the following line

 document.getElementById("one").setAttribute("ng-click", "insertData()"); 

inside the validateForm function, it doesn't work properly after clicking the button.

If I move that specific line outside of the validateForm function, it works but unfortunately, the form validation is not performed.

Below is my current code:

<!DOCTYPE html>
<html lang="en">
<head>

<meta charset="utf-8>
<meta name="viewport" content="width=device-width, initial-scale=1">
<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/css/bootstrap.min.css">
<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.2.1/jquery.min.js"></script>
<script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/js/bootstrap.min.js"></script>
<script src="https://ajax.googleapis.com/ajax/libs/angularjs/1.6.4/angular.min.js"></script>

</head>
...

  $scope.insertData = function()
        {
         $http.post(
        "Signup.php",
        {'username':$scope.username,'nic':$scope.nic,'email':$scope.Email,'password':$scope.password,'Conf_password':$scope.Conf_password }

    ).then(function(data){

     var result = angular.toJson(data.data);
     var myEl = angular.element( document.querySelector('#divID' ) );
     if(result.replace(/^"|"$/g, '') == 1)
       {
       myEl.replaceWith("<div class='alert alert-success alert-dismissable fade in'><a href='#' class='close' data-dismiss='alert' aria-label='close'>&times;</a><strong>Success!</strong>You have sucessfully registerd. Please login</div>"); 
       }
     else
        {
         myEl.replaceWith(result.replace(/^"|"$/g, '')); 
         }
      $scope.username = null;
    });
  }
});

</script>

Answer №1

It appears that you may be misunderstanding how AngularJS functions. I recommend taking a look at the AngularJS form documentation, particularly the section on Binding to form and control state. Your current code seems to mix JQuery and AngularJS, so I suggest reviewing the AngularJS phonecat tutorial or exploring the latest version of Angular for better clarity.

Answer №2

To ensure Angular recognizes the attribute you've added, it's important to inform Angular about it. Simply adding an attribute in your template file is detected by Angular, but when using setAttribute(), Angular may not be aware of it.


To address this issue in your controller, include the following dependencies:

app.controller("controller", function($compile, $document, $scope, $http) {
    // 
});

Subsequently, after adding the attribute to the element, re-compilation is necessary:

$document.getElementById("one").setAttribute("ng-click", "insertData()"); 

// Consider this:
$compile($document.getElementById("one"));

// If encountering issues or errors, attempt the following:
$compile($document.getElementById("one"))($scope);

Note: The usage of $document instead of document is essential

Refer to the documentation for $compile


Please note that I cannot verify the functionality with your specific code, but these instructions should guide you in the correct direction. The main challenge lies in notifying Angular about the newly added attributes.

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