Programmer Group

1, Understanding Vue Author: you Yuxi Progressive framework: select the tools in the framework according to your own needs. VUE does not require you to accept and use all its functions and features at one time Vue Data driven Progressive framework Software design pattern based on MVVM React Develop the most rigorous framework for large project ...

One is to realize cross domain access 1. If the API you want to develop is called by the front-end project (such as Vue), the first step must be to realize cross domain access. The implementation of cross domain access in Koa2 framework is slightly different from that in Express. You need to install Koa2 CORS middleware to realize cross do ...

catalogue source Caton faked death Pre research development Used in business Introduced in component Function list use source Because there is tree data in the process of business development, tree components are needed. Since the project is based on vue, the early selection of ui component library is element ui, so El tree compone ...

Deconstruction assignment syntax is a JavaScript expression. By deconstruction assignment, you can take the attribute / value from the object / array and assign it to other variables. This syntax is a new syntax introduced by ECMAscript 6 specification, which makes it easier to get values from arrays and objects. 1. Extract data Let's tak ...

Ajax learning notes AJAX is a developer's dream because you can: Update web pages without refreshing pagesRequest data from the server after the page is loadedReceive data from the server after the page is loadedSend data to the server in the background 1. Native js implements ajax <script> var box = $(".box"); $("button").cli ...

        A good memory is not as good as a bad pen. I digest and absorb it myself in the process of writing, so I wrote this JavaScript learning series. The text in the article is what you understand. You can watch it as appropriate.         I saw a very common topic in JavaScript you don't know - Part ...

preface   it's coming, it's coming, your stolen energy is back!   in May, I wrote an article on AutoJs to save energy (this is a link) In the twinkling of an eye, five months have passed. The previous save energy script can only ensure that you can click on energy well in the first 10 seconds, but it will be wildly misplaced an ...

Community information: Vue: Vue.js professional Chinese community vue official Manual: API — Vue.js 1, Introduction to vue Vue is a progressive framework for building user interface. Vue only focuses on layers and adopts the design of bottom-up incremental development. Vue's goal is to achieve responsive data binding and combined view compon ...

Type conversion is divided into two types: forced type conversion and implicit type conversion Cast type Forced type conversion mainly refers to three functions: Number(), String(), and Boolean. Manually convert various types of values into numbers, strings, or boolean values Number() There are two main types: one is that the parameter is t ...

8. Array 1. Create an array using array literal: with a square bracket var array name = []// Create an empty array var array name = [1,2, 'year', ture]// Create an array with initial values using array literals 2. Type of array element: the array can hold any type of data 3. Get / access array elements through array name [index] Index starts at ...