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Error: error:nonassign
Non-Assignable Expression


Description

This error occurs when expression the ngModel directive is bound to is a non-assignable expression.

Examples using assignable expressions include:

<input ng-model="namedVariable">
<input ng-model="myObj.someProperty">
<input ng-model="indexedArray[0]">

Examples of non-assignable expressions include:

<input ng-model="foo + bar">
<input ng-model="42">
<input ng-model="'oops'">
<input ng-model="myFunc()">

Always make sure that the expression bound via ngModel directive can be assigned to.

For more information, see the ngModel API doc.