Programmer Think

1, Component communication concept In React, components are independent and closed units. By default, the data in component state is private data, and components can only use their own data. However, in the actual project development process, our page is composed of multiple components, and these components inevitably share some data. This pro ...

Project Gitee address Blog address Project requirements Human resource management system positioning The realized human resource management system serves shareholders, employees and interns.By realizing the functions of each module, the company's personnel joining, internal transfer and resignation personnel change are carried out through ...

number For EE Number() creates a digital object on the server. For example, use {math The ejabist method creates a constant value on the server: The EE String () and EE The number() method is a {construct. The constructor takes its parameters (and possibly other parameters), puts them into a container, and then returns the container and its c ...

JavaScript basic syntax HTML: markup languageJavaScript: programming language preface JavaScript development history (JS) 1. 1994 Netscape, Inc(Netscape)Released Navigator Browser 0.9 This is the first mature web browser in the world. But this is a veritable browser--You can only browse the page, and the browser cannot interact with users,A ...

  catalogue 1, Number 1. isFinite() 2. isInteger() 3. isNaN() 4. parseFloat() 5. parseInt() 2, String 1. indexOf() 2. replace() 3. search() 4. concat() 5. split() 6. slice() 7. substr() 8. substring() 9. includes() 3, Array 1. join() 2. push() 3. pop() 4. shift() 5. reverse() 6. filter() 7. forEach() 8. find() 4, Obje ...

Ajax request limit: Ajax can only send requests to its own server. If two pages have the same protocol, domain name and port, the two pages belong to the same source. As long as one of them is different, it is a different source. For example: http://www.example.com/dir/page.html http://www.example.com/dir2/other.html : homologous http://exa ...

introduce A project developed using vite + vue3 + pinia + ant design Vue + typescript complete technical route, with second level development update launch, new vue3 composition api combined with setup to enjoy smooth development experience, new pinia state manager and excellent design experience (1k size), ant D barrier free transition to UI ...

Abstract: I saw the effect of uploading pictures when I visited station b. I thought I could do one myself. Because the original author was written in native js, I might as well write it in vue. Of course, it's a very small thing. It's good to directly reference vue in HTML files. The detailed steps are as follows~ This article is shared from ...

Programming practices - Chapter 9 separating configurable data Writing maintainable JavaScript -- Nicholas C. Zakas Code is nothing more than defining a set of instructions for the computer to execute. We transfer the data to the computer, operate the data by instructions, and finally produce a result. When you want to modify the data, ...

Common browsers webkit kernel (v8) engine google chrome safariopera(v14)Domestic browserMobile phone browser... Gecko Firefox Firefox presto opera <v14 Trident IEIe edge (starting with dual core) JS as client language Operate the elements in the page according to the relevant syntax, and sometimes operate the browserECMAS ...