vue mongodb

Vue. js Custom Event form input component method, vue. js form Vue. js uses the form input component of the Custom Event Custom events can be used to create custom form input components and use v-model for bidirectional data binding. Remember: This is just the syntax sugar in the following example: Therefore, when used in components, it is equivalent to the fol

The vue-prop parent component transmits values to child components, and the vue-prop component transmits values. Vue-prop is used when the parent component transmits data to the child component. For example, the sub-component is Child. vue Template: ' We specify a data name in the child component: msg Write in pa

How does Vue introduce remote JS files? How does vue introduce js files? Problem Recently, we have been using Vue to do things and use the dingtalk login scan function. We need to introduce remote js files because the Vue method is different from the previous one, I didn't want to download the file to a local applicati

Cross-origin ajax solution (recommended) during vue-cli development, vue-cliajax Objective: To access the background interface to obtain data for a project built using vue-cli during development, a cross-origin problem occurs. Configure the following in config/index. js: [That is, when an ajax request is made, any request address starting with/api in the address

Web Front-end vue implements Interpolation of text and output of original html and vue Interpolation Vue. js uses the HTML-based template syntax, allowing developers to explicitly bind the DOM to the data of the underlying Vue instance. All Vue. js templates are legal HTML,

Vue. js is used to simulate the development demo and vue. jsdemo. I use Vue. js to implement some functions of the circle of friends, to display the circle of friends, comment, and likes. First, construct a vue instance to bind the changed data in two directions, I use JSON to forge template data, first display the eff

Quickly solve the problem that vue-cli Cannot initialize the webpack template, vue-cliwebpack Vue init webpack pro [Failed to download repo] [connect ETIMEDOUT 192.30.20.112] This error is reported. Someone said it was a proxy problem. I don't know, but this method is useful. 1. Download the template https://github.com/vuejs-templates/webpack to be initialize

When you create a Vue instance, el you can omit the option if the configuration item is declared template . At this point, Vue.js will extract the HTML content of the anchor element as a template.We can use a single el configuration item to create a Vue instance:var vm = new Vue({el:‘#app‘});In Vue.js, this template is called an HTML template , and template a tem

Cross-origin explanation of vue-cli webpack development environment, vue-cliwebpack Edit dev. proxyTable option in config/index. js. The dev server is using http-proxy-middleware for proxying To solve cross-origin problems, Jsonp is usually used, but jsonp can only be a get request. You can also use CORS to set Access-Control-Allow-Origin :* 0 prerequisites Familiar with

Vue. js, vue. js instance code displayed and hidden in the left-side menu I am not talking about it anymore. I am posting Code directly to you, Complete code: The above is a small series of vue. the second-level menu on the left side of js shows and hides the switching instance code. I hope it will help you. If you have any questions, please leave a message and

Example of vue. js + Echarts Development Chart zoom-in and zoom-out function, vue. jsecharts Recently, I used echarts to develop the chart function of a system. I first stated that my previous ext. js and ext. js have their own set of components for the chart, which is also very convenient to use. However, because ext. js is too bloated, the company decided to use echarts to develop chart functions. When we

Implementation of the simple Vue comment framework (implementation of the parent component) and the vue comment framework component I recently saw a requirement: Implements a comment function, requiring pagination of the comment list Implement componentization for corresponding modules Displays the publisher, release time, and content. At first glance, it is not very difficult, but there are still s

Vue implements countdown plug-in timestamp refresh jump without affecting vue jump A countdown plug-in needs to be developed in the work, so I started to take it online first. I found that many countdown plug-ins will be refreshed from the beginning, so I wrote a plug-in with vue2.0 and the test has passed, directly Add code The following is the component code: The following code calls the component: Af

VUE implements two-way binding of form elements (Summary) and vue form Element Binding This article describes how to bind two-way form elements in VUE (Summary) and shares it with you as follows: The most basic usage of checkbox: Rule 1: If the variable type bound to v-model is boolean and input is selected, this. inputdata is true; otherwise, this. inputdata is

Vue. js dynamically adds and deletes the instance code of the selected question, and vue. js selects the question Let's take a look at the page effect. Dangdang ''''''''''''''''''''''' In the figure, the second choice is that Xiao Ying clicked the "add answer" button and then came out. When you clicked the "delete option" or "delete answer" button, the corresponding options and choices will be deleted. Htm

In-depth understanding of oldvalue, newValue, and vue. jsoldvalue of $ watch in vue. js $ Oldvalue and newValue in watch We all know that the $ watch method is provided in vue. js to listen for object changes, and two objects, oldValue and newValue, are returned in callback. As the name suggests, these two objects are the values before and after the object change

How to Implement the sample code of carousel images in Vue, and the sample code of vue carousel I feel that this function will be involved in any project. Today I will share with you my implementation methods. If there is something wrong, please note that I am updating it. The following is the overall code. I made the carousel image a separate component and you can use it as needed. The specific code is as

How to concatenate variables and strings in vue, and concatenate vue variable strings Sort out the document, find out the code for how to splice variables and strings in a vue, and make it easier. Define variables in data: Data () {return {a: 'A '}} How does one splice string and variable a by clicking the button? Note that alert () is not a single quotati

Vue component parent-child communication (3), vue parent-child The example in this article shares the code of the vue component's parent-child communication for your reference. The details are as follows: 3. Communication between components ($ parent $ refs) The parent component needs to obtain the data of the Child component: ① Specify the ref attribute when cal

Vue component parent-child communication (1), vue component parent-child explanation The examples in this article share with you the specific code of vue component parent-child communication for your reference. The details are as follows: 1. Communication between components (parent component --> child component) Steps: ① The parent component transmits a value whe