What measures can be taken to stop AngularJS binding from occurring repeatedly?

Currently, I am facing an issue with my select element:

<select ng-model="p.value" ng-options="q for q in p.value">
<option value="">Select an animation</option>
</select>

The initial values in p.value are ['AAAAA', 'BBBBB', 'CCCCC'], but upon selecting an option, the select menu updates to display different options like:

<option>A</option>
<option>A</option>
<option>A</option>
<option>A</option>
<option>A</option>

It is evident that there is an issue with my approach of using the same value for the model and options. Can someone guide me on the correct way to resolve this problem?

javascriptangularjs

Answer №1

In order to effectively work with the array of items and the model, you need to ensure they are separated.

<div ng-app ng-controller="MyCtrl">
    <select ng-model="p.selected" ng-options="q for q in p.value">
        <option value="">Select an animation</option>
    </select>
    {{p.selected}}
</div>



function MyCtrl($scope) {

    $scope.p = {
        value: ['AAAAA', 'BBBBB', 'CCCCC'],
        selected : null
    };
}

The scenario described in your example involves selecting "AAAAA", which then updates p.value to a list of characters. This change is reflected in the dropdown list due to the binding between ng-options and the same property in $scope.

Here is an example on jsfiddle

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