vue calculated attribute
vue calculated attribute
(1) Basic example
Sometimes we need to use the data a in the template. At this time, we need to use the expression, but in some places, we need to do some simple processing on the data a before we can use it. Then we will write some js logical operations in the expression. For example, now we need to realize the calcula ...
Posted by msing on Tue, 24 May 2022 04:56:29 +0300
Detailed explanation of native JavaScript events!!!
JQuery, a Write Less Do More framework, will inevitably look up to native js when used too much.
Xiaocai actually doesn't want to write this blog. It seems very elementary, but seeing that the binding and lifting of native js events on the network can't be understood, he decided to popularize science.
First of all, I don't know much about sma ...
Posted by netmastan on Mon, 23 May 2022 07:34:38 +0300
Imitating the source code of Tiktok short video system to take photos and videos based on CameraX
Background: Recently, I was working on an APP video upload project. Due to the use of my own server, there are certain memory restrictions. At present, most mobile phones have a large resolution, and the video captured is several megabytes in a few seconds. How to compress the recorded video is the same as wechat. Therefore, I consulted some ma ...
Posted by Loldongs on Mon, 23 May 2022 01:13:51 +0300
Spring MVC + Vue project personal health information management system
Get the source code at the end
Development language: Java
Development tool: IDEA/ Eclipse
Database: mysql5 seven
Application service: Tomcat7/Tomcat8
use framessm+vue
JDK version: jdk1.0 eight
Preface introduction
System management will also carry out overall intelligent operation through computers. There are many management and ...
Posted by Daveyz83 on Sun, 22 May 2022 02:18:24 +0300
The use of el-checkbox-group multi-select box group in ElementUI, how to set a group of options and get the selected value
Scenes
final effect
The checkbox-group element can manage multiple checkboxes into a group, just use v-model in Group to bind variables of type Array.
The label attribute of el-checkbox is the value corresponding to the checkbox. If there is no content in the label, this attribute also acts as an introduction after the checkbox button.
The ...
Posted by nickiehow on Sun, 22 May 2022 01:06:40 +0300
2-vue basic grammar 1
1, Interpolation operation
1,Mustache
Mustache syntax (that is, double braces);
<body>
<div id="app">
{{message}}
<h2>{{message}}，tom</h2>
<h2>{{firstName + lastName}}</h2>
<h2>{{firstName + ' ' + lastName}}</h2>
<h2>{{firstName}} {{lastName}}</h2>
<h2>{{counter * 2} ...
Posted by driver on Sat, 21 May 2022 22:28:54 +0300
vue component of front-end web
Component introduction
Components are reusable Vue instances with a name.
Components can extend HTML elements to encapsulate reusable code.
Component systems allow us to build large applications with independent reusable widgets, and the interface of almost any type of application can be abstracted into a component tree.
Components are reusable ...
Posted by macattack on Sat, 21 May 2022 20:25:38 +0300
Packaging and use of Vue Axios
catalogue
Axios description
install
Axios request configuration
Response structure
Common request methods
Default value configuration
Global request configuration item
Custom instance defaults
Priority of configuration
Interceptor
Personal complete axios configuration
Axios description
Axios is a promise based HTTP library that can be ...
Posted by Pjack125 on Sat, 21 May 2022 16:49:45 +0300
Interaction between android and javascript under Cordova
Recently, a function was made. The company wrote the upper layer in html, and needed to call the voice synthesis and recognition that comes with android. I thought it was directly interacting with html, but I didn't expect the upper layer to be written in the framework of cordova. The interaction of android has been realized, now record the im ...
Posted by haku on Sat, 21 May 2022 15:21:55 +0300
The first stage of vue's learning journey
1. Introduction to Vue
(1) Several key words
Template
Data binding
Componentization
Virtual DOM
MVVM mode
(2) Small features
vue can easily introduce plug-ins or third-party libraries (very convenient)
It is very convenient and small in size. It is suitable for mobile terminal / pc terminal development
(3)MVVM
Model: model, data object
View ...
Posted by mfacer on Sat, 21 May 2022 14:41:45 +0300