我遇到了这样的错误:
vue.js:465 [Vue warn]: Failed to generate render function:
ReferenceError: Invalid left-hand side in assignment in
with(this){return _c('div',{attrs:{"id":"test"}},[_c('p',[_v(_s(_f("sum 4")(message)))]),_v(" "),_c('p',[_v(_s(_f(
我正在阅读Vue.js指南,我偶然看到了段落。上面写着:
注意,在这个方法中,我们只更新应用程序的状态,而不触及DOM。
基本上,该方法只是在单击按钮时反转一个字符串。我无法理解的是Updating the state of app的概念,而不触及DOM。这个州在这里意味着什么?有人能用外行人的话来解释这件事吗?
我使用VueFire连接到包含菜谱列表的数据库,使用此代码加载所有菜谱(相关代码片段)
firebase: {
recipes: database.ref('recipes'),
},
data () {
return {
activeFilter: Filters.selected //returns active filter from child component for example 'pie'
};
},
在< template>
<li v-for="(recipe, i
[Vue warn]: Property or method "onlyNumbers" is not defined on the instance but referenced during render. Make sure that this property is reactive, either in the data option, or for class-based components, by initializing the property.
<template>
<div class="category-info"&