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preface Computed is a very common property configuration in Vue. It can change with the change of dependent properties, which brings us great convenience. So this article will take you to fully understand the internal principle and workflow of computed. Before that, I hope you can have some understanding of the responsive principle, because com ...

If you want to be a good java Architect, here → Le byte free open class (Tencent class) If you need to follow more information, please click on the right side (remember the password: 66) → This is a no return road, there is a risk of baldness, please choose carefully! BOM objects The core object of BOM is window, which represents an i ...

Spring boot + websocket for real-time chat Recently, a little time, the last project just used websocket to realize broadcasting messages. Now, I want to sort out some previous codes and share them with you. WebSocket protocol is a new network protocol based on TCP. It realizes full duplex communication between browser and server, which ...

Asynchronous call Send asynchronous requests (review) <a href="javascript:void(0);" id="testAjax">Visit controller</a> <script type="text/javascript" src="/js/jquery-3.3.1.min.js"></script> <script type="text/javascript"> $(function(){ $("#testAjax").click(funct ...

this points to the end of the problem in JavaScript Preface 1. On the outermost layer of JS code 2. Method Calls as Objects 3. Call as a normal function 4. Constructor Calls V.Function.prototype.call or Function.prototype.apply call 6. this in arrow functions Preface The this keyword in Javascri ...

Branch structure statement in JS JS code should be executed from top to bottom Branch structure statement: when a part is executed, select whether to execute a section of code according to the condition Conditional branch statement in JS - if There are four ways to write 1, if branch 1. if state ...

Introduction to JavaScript The birth of JavaScript language is mainly to complete the data verification of the page. So it runs on the client side and needs to run a browser to parse and execute JavaScript code. js is a product of Netscape Netscape. It was first named LiveScript to attract more java programmers. Renamed JavaScript (js is weak t ...

In the development process, it is inevitable to create entity classes. Tables with fewer fields can be written manually. However, if more fields are created manually, it is a waste of time. If a table has more than 100 fields, handwriting is not realistic. At this time, we will use some tools, such as dynamic soft code generator, code generator ...

Last night at 23:00, Vue, officially fired the first shot! In three and a half years, we will move forward to the whole stack, strive to become an architect within three years, and become the mainstay of the world's top 500 companies. fighting never stops. Come on! 1, Introduction Vue (pronunciat ...

According to the previous reply, variables, operators, branches, loops and nested loops in JS. This time, Ben K will nag everyone about BOM, DOM and events in JS. 1, "Flower heart Radish" -- BOM 1. Shocked, why FFF group raised the torch to BOM -- Introduction to BOM BOM(Browser Object Mode ...