vuejs2

问题 I am having an issue where when I change a component in my app, many unrelated components seem to be rerendering too. When I use the Vue performance timings config, I see something like (all in the span of about 200ms) I am trying to figure out what causes these components to rerender. I saw a tip about how to tell the cause of a rerender, but when I put this snippet* in all the rerendering components, I don’t get anything logged to the console. So, how can I find what is causing all these

问题 Background : I have an array in data() that gets populated with objects from the backend. If the GET request retrieves 6 objects those 6 objects will update in the array. Problem : I already understand vm.$set is needed to add properties to an object. But how do add properties to all object in the array? I want to change: data() { return { expenseButton: [{key:value},{key:value},{key:value}] }; } to data() { return { expenseButton: [{key:value, key2:value2},{key:value, key2:value2},{key:value

问题 This question already has answers here : Create structured JSON object from CSV file in JavaScript? (3 answers) Closed last year . I am dynamically generating excel template file using vue-json-excel for the user. After user filling data in the template file i want take it as a input and convert all data in JSON formate and send it to the server side but not getting how to do . <template> <div id="app"> <md-field @change="previewFiles"> <label>upload excel file</label> <md-file v-model=

问题 Hii I am working on the Vue.js template and I stuck at a point where I need to show dynamic v-dialog using looping statement but now it shows all. Dom: <template v-for="item of faq"> <div :key="item.category"> <h4>{{ item.heading }}</h4> <div v-for="subitems of item.content" :key="subitems.qus"> <v-dialog v-model="dialog" width="500" > <template v-slot:activator="{on}"> <a href="#" v-on="on">{{subitems.qus}}</a> </template> <v-card> <v-card-title class="headline grey lighten-2" primary-title

问题 Hii I am working on the Vue.js template and I stuck at a point where I need to show dynamic v-dialog using looping statement but now it shows all. Dom: <template v-for="item of faq"> <div :key="item.category"> <h4>{{ item.heading }}</h4> <div v-for="subitems of item.content" :key="subitems.qus"> <v-dialog v-model="dialog" width="500" > <template v-slot:activator="{on}"> <a href="#" v-on="on">{{subitems.qus}}</a> </template> <v-card> <v-card-title class="headline grey lighten-2" primary-title

问题 Hi i am using electron+vuejs and trying to receive data from electron's main process .That is some data is sent from main process to renderer process.And inside the renderer process i have ipcRenderer.on() in created() or mounted().But the data is not received there.And the text is not updated on the screen.My code is like shown below:Note even if i use mounted() it is not working .What am i doing wrong?How can i resolve this ? <div>{{logText}}</div> data(){ return { logText:'' } }, created()

问题 Steps to reproduce: If its multiple select required rules don't work if its not a multiple its ok. Expected Behavior rules to work for multiple select as well Actual Behavior rules don't work if its multiple select Reproduction code : <div id="app"> <v-app id="inspire"> <v-select :items="role" label="Admin level*" class="mt-3 " @focus="reset" item-text="name" item-value="name" v-model="roleee" required :rules="rules.select" ></v-select> <v-select :items="subsidiaries" label="Subsidiary*"

问题 I'm making an API call for a list of properties that are unorganized from the API. The data from the API is stored in vuex looks like this: posts:[ { id: 1; title: "Place", acf: { address: { state: "Arkansas", country: "United States" }, }, }, { id: 2; title: "Place 2", acf: { address: { state: "Arkansas", country: "United States" }, }, }, { id: 3; title: "Place 3", acf: { address: { state: "Arkansas", country: "United States" }, }, }, { id: 4; title: "Place 4", acf: { address: { state:

问题 I've currently got a library of Vue2 components I've created and use in several projects via a private npm repo. I'm starting a new project now in Vue3 but I'd like to use the old components if possible. Can I mix versions like that? Also, can components be mixed the opposite way (Vue3 components in Vue2 apps)? 回答1: Vue2 components can be used with Vue3 and Vue3 components can be used in Vue2. HOWEVER... As long as you use Classic Vue Js class-based API you should have no issues. Even though

问题 I just installed vuelidate, and created a helper that checks if the value is phone no . reference import { helpers } from 'vuelidate/lib/validators'; const phone = helpers.regex('alpha', /^(09)[0-9]{9}/); My objective is, the input box should accept only email or phone_no , I tried the solution(s) below but none works. Sol. 1 validations: { username: { valid: phone or email }} Sol. 2 validations: { username: { valid: phone || email }} Someone knows how to achieve this? 回答1: Ohws I've figured