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This article mainly shares with you an article that solves the problem that the selected value does not change after vue changes the calculated attribute. It has a good reference value and I hope it will be helpful to everyone. Let’s follow the editor to take a look, I hope it can help everyone.
First the code:
//... <p> <select> <option>{{item.value}}</option> </select> <span>{{selected}}</span> </p> <script> var dt = [{ value: '111', label: 'aaa' }, { value: '222', label: 'bbb' }, { value: '333', label: 'ccc' }, { value: '444', label: 'ddd' }, { value: '555', label: 'fff' }]; var vm = new Vue({ el: '#qwe', data: { options: [{ value: '选项1', label: '黄金糕' }, { value: '选项2', label: '双皮奶' }, { value: '选项3', label: '蚵仔煎' }, { value: '选项4', label: '龙须面' }, { value: '选项5', label: '北京烤鸭' }], selected: '' }, computed: { da: function () { var _self = this; return _self.options.filter(function (item) { return +item.value.split('')[2] > 2; }); } } }) </script>
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