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我試圖通過賦值將其數據與我的viewmodels分離開來。我想更換陣列並更新DOM,如下例所示:在Vue中替換對可觀察數組的引用
demo.items = demo.items.filter(function (item) {
return item.childMsg.match(/Hello/)
})
但是,這不起作用。使用.push
和.$remove
進行更新確實有效。
var services = [];
socket.messages.on('serviceUp', function (service) {
localforage.getItem(service.name, function (err, local_service) {
service = _.extend(local_service || {}, service); // Attach properties from localstorage
services.push(service);
});
});
socket.messages.on('serviceDown', function (service) {
var index = _.findWhere(services, { name: service.name });
services.$remove(index);
// services = _.reject(services, function (item) { // This doesn't work - why?
// return item.name === service.name;
// });
});
Vue.component('service-columns', {
template: '#service-columns',
data: {
services: services
},
computed: {
columns: {
$get: function() {
return columnize(this.services, 3);
}
}
}
});