Programming VIP

1, Bable introduction Is a separate tool, independent of webpack, but can be used with webpack Function: convert es6 or typescript into ordinary js code Scenario: for example, an old browser doesn't know demo Arrow function of es6 in JS Used alone (when not used with webpack): npm install @bable/core @bable/cli@bable/core @bable/cli -D ...

When deploying the external network of the project, data encryption transmission is often required, especially for the projects of enterprises and institutions. In addition, for security or red header files, the national secret algorithm is often required. Because interaction is involved, SM2 asymmetric encryption is used. Back end (Springboot ...

In applet development, it is necessary to obtain the interface request arrayBuffer data, converted to base64 format data for picture display. Wechat applet provides Wx Arraybuffertobase64 method, but unfortunately, this method has been abandoned since the basic library version 2.4.0 and is no longer recommended. Although at present, eve ...

Front end security Professional NOUNexplainpayloadAttack codeEXPComplete vulnerability exploitation toolsPOCViewpoint verification procedure. Running this program can get the expected resultsGPCGET POST COOKIE 1. Cross site scripting attack Cross site scripting (XSS) refers to a client-side code injection attack in which an attacker executes ...

1 create project vue create app If the vue cli version is below 3, it needs to be upgraded. create is the usage of 3 npm uninstall -g vue-cli npm install -g @vue/cli npm install -g @vue/cli@4.5.13 Note: to use Vue cli v4 five point one three Vue cli v4 5.13 I installed Vue cli V5 0.1, there is a problem when configur ...

Article catalogue NodeJS environment configuration MAC configuration Installation mode 2:node version management: Linux configurationWindows configuration Development environment initialization Basic environmentBaidu OCR dockingMy example code Docker deploymentLittle knowledgePuppeter syntaxError summaryMy blog NodeJS en ...

preface js notes, a good memory is not as good as a bad pen. It summarizes some commonly used knowledge points. Send it to csdn as a backup. The previous ones are relatively simple, so I didn't write them. I only wrote some knowledge points that I think are easy to forget. If there are mistakes, please give me some advice. JavaScript prefa ...

EGE column: EGE column Previous: EGE drawing 4 Gif motion picture playback Next: EGE drawing five button (down) EGE drawing (V) button (up) Last revision time of the article: 22:24:34, July 7, 2021 catalogue 1, Button function 1. Ordinary button2. Optional buttons 2.1 radio button2.2 check box 3. Multifunction button 2, Button s ...

10. Database and identity authentication 1. Steps to operate the database in the project Install the third-party module (MySQL) that operates the MySQL databaseConnect to MYSQL database through MYSQL moduleExecute SQL statements through mysql module 2. The code realizes the connection to the database //1. Import mysql module //import mysql ...

Today, we welcome the Fourth Lecture of JS. Today, I'll give my family a brief talk on how to obtain the parent and child elements of HTML tags in JS. If you don't understand anything, you can send me a private letter or comment below, and you will reply when you see it. Oh, I also hope the family who have been learning JS with me will continue ...