angular.js - How to use instructions to dynamically switch classes in a list in angular
天蓬老师
天蓬老师 2017-05-15 17:02:38
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代码

The desired effect is to add a style to the currently clicked one and clear the others.

天蓬老师
天蓬老师

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reply all(2)
某草草

Don’t go to such trouble, let’s just use ng-class, like this:

Correction:

Okay, I was wrong

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title></title>
</head>
<body ng-app="myApp" ng-controller="myCtrl">
    <ul>
        <li ng-repeat="x in ulList" ng-class="{active: currentIndex === $index}" ng-click="handleActive($index)">{{ x.li }}</li>
    </ul>
    <script type="text/javascript">
        var app = angular.module('myApp', []);
        app.controller('myCtrl', ['$scope', function($scope){
            $scope.handleActive = function(index){
              $scope.currentIndex = index;
            };
            
            $scope.ulList = [
                {
                    id: '1',
                    li: '01'
                },{
                    id: '2',
                    li: '02'
                },{
                    id: '3',
                    li: '03'
                },{
                    id: '4',
                    li: '04'
                }
            ];
        }]);
    </script>
</body>
</html>
伊谢尔伦

Use attribute binding
Add an isSelected attribute to each element in ulList, and change the value of isSelected when Clicked
Use ng-class in HTML

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