向vue.js组件添加自定义属性

Question

如何在vue组件中设置自定义属性？

var myComponent = Vue.extend({
    data: function() {
        return {
            item: {}
        }
    },

    created: function() {
        // This does not seem to work
        this.item.customProperty = 'customProperty';
    }
});

Answer 1

您可以使用Vue.set添加反应性：

var myComponent = Vue.extend({
    data: function() {
        return {
            item: {}
        }
    },

    created: function() {
        Vue.set(this.item, 'customProperty', 'customProperty');
    }
});

Answer 2

看来您应该使用Object.assign：

var myComponent = Vue.extend({
    data: function() {
        return {
            item: {}
        }
    },

    created: function() {
        // This does not seem to work
        this.item = Object.assign(this.item, {customProperty:'customProperty'});
    }
});