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Javascript 如何在Angular中切换具有布尔模型属性的类?_Javascript_Angularjs - Fatal编程技术网

Javascript 如何在Angular中切换具有布尔模型属性的类?

Javascript 如何在Angular中切换具有布尔模型属性的类?,javascript,angularjs,Javascript,Angularjs,我试过这个: <li ng-repeat="todo in todos" class="{{todo.isCompleted ? 'test'}}"> <input type="checkbox" class="toggle"/> <label>{{todo.text}}</label><button class="destroy"></button> </li> 为此使用ng类。

我试过这个:

<li ng-repeat="todo in todos" class="{{todo.isCompleted ? 'test'}}">
<input type="checkbox" class="toggle"/>
<label>{{todo.text}}</label><button class="destroy"></button>
</li>
  • {{todo.text}
  • 但后来我犯了一个错误:


    Error:Lexer Error:expression[todo.isCompleted?'test']第17-17列[?]的下一个字符出现意外
    ng class=“{'test':todo.isCompleted}”
    使用
    ng class
    如下:

    <li ng-repeat="todo in todos" ng-class="{ 'test' : todo.isCompleted }">
    

  • 为此使用
    ng类