Angularjs切换div可见性

问题描述

我试图在点击按钮时切换div文本。我尝试根据变量获取范围变量和toggeling classname。我在哪里犯了错误

I am trying to toggle a div text on click of a button. I tried taking a scope variable and toggeling classname based on the variable. Where am I making the mistake here

<button ng-click="toggle()">test </button>
    <div ng-class="{{state}}" >
        hello test
    </div>


function ctrl($scope) {
    $scope.state = vis;
    $scope.toggle = function () {
      state = !state;
    };
}

 .vis{
      display:none;
}

推荐答案

你可以简化这个喜欢这样

You can simplify this a lot like so

<button ng-click="showDiv = !showDiv">test </button>
<div ng-show="showDiv" >
    hello test
</div>

除非您需要特定的ng-class进行切换，否则您可以执行类似

Unless you need the specific ng-class to toggle in which case you can do something like

<button ng-click="showDiv = !showDiv">test </button>
<div ng-class="{'vis' : showDiv }" >
    hello test
</div>

（只是确保你为此使用更新版本的角度）

(just make sure you're using a newer version of angular for this)

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