Programmer Group

  Recently, in the study of react, vue is used in our work. In the process of learning, we compare the two to deepen our understanding.   The following is a small part of the knowledge points in react, which I personally think is also a common knowledge point. One of the ways of react component communication - routing parameters ...

Official profile Koa is a new web framework built by the original team behind Express. It is committed to becoming a smaller, more expressive and more robust cornerstone in the field of web application and API development. By using the async function, KOA helps you discard callback functions and effectively enhances error handling. Instead of ...

Several ways of inheritance: 1. Borrow constructor 2. Combination inheritance 3. Prototype inheritance 4. Parasitic inheritance 5. Parasitic combinatorial inheritance 1. Borrow constructor // Define SupTyp constructor function SupType() { this.colors = ['red', 'yellow', 'blue'] } function SubType() { // Inherited SuperType SupTyp ...

1. General representation 1. Presentation method - < form action = "jump path" name = "form name" method = "jump request method" > be careful: ① Path representation Absolute path: search from the drive letter until the file is found, path + file name Relative path: the relative path between the current ...

preface Do you really know about decorators? I believe that developers who have used decorators must love some of its features. Both react, vue and angular can be supported through babel. Of course, there are some encapsulated third-party decorator libraries, which can realize some powerful functions after reference. Let's have a brief look. ...

Broken thoughts: Dear readers: Hello! My name is Changlon - a non professional programmer, a developer dedicated to the front end, a thinker who loves life and sometimes has melancholy. If my article can bring you some harvest, your praise collection will be a great encouragement to me! My email: thinker_changlon@163.com My Github: htt ...

catalogue Why optimize the project Route lazy loading Component cache Article content code highlight Give users feedback when optimizing requests Insensitive refresh token Lazy loading of pictures Custom command (autofocus)   Extract component registration   Persistent storage Encapsulate unified prompt information Scroll ...

catalogue 1. Known array var stringArray = ["This", "is", "Baidu", "Campus"] 2. The string foo = "get element by ID" is known. Write function to convert it into hump representation 3. Known array var numberArray = [3,6,2,4,1,5]; Apply array API for operation 4. Output today's date in YYYY-MM ...

Tips (Part 2) undertake (Part 1). The interface document and Ali icon library have been given in (Part 1). The code pasted in this article may be incomplete. See (Part 2) for the complete code. Dynamic rendering of product details rotation chart First, write the structure of the rotation chart in goods_ Modify the code in index.wxml unde ...

This is an upgrade of the last encapsulated table, adding multi-level header and column consolidation functions. I put the code and reference articles at the bottom. Let's put some important nonsense on it, mainly my summary. You can take a look or slide directly to the code below. This time it's just a record to make it convenient for the futu ...