I would like to ask if the front-end has any technology related to the requirements of selecting the corresponding modules through the interface or other methods, packaging and exporting the corresponding front-end files, and removing irrelevant modules? For example: 1: Module one 2: Function one 3: Module two 4: Style one After selecting module one, function one and style one, export the corresponding front-end page...

I originally wanted to write something to calculate working hours. Suddenly an error occurred here. I really can't see why. . . Doubt life. . The gostr after console.log is of type string

As follows, how to get children and then update them to father.children, the page can be displayed in a list {code...}

I wrote a background management page using a simple singleton pattern. Similar to {code...} I would like to ask someone with experience in writing this type of project. How to organize the code structure to make it easier to expand and maintain.

{Code...} Use settimeout to write the expansion and contraction of the secondary menu. Pass a function with parameters in settimeout. I don’t know how to pass it. In the video, it is written like this: setTimeout("addHeight('"+ul+"' )",10) But it's not normal. What's the reason?

To achieve this, click the Qingdao or Xiamen buttons to switch to the coordinate point position of Qingdao (or the corresponding). Currently, the center point of the initialized map is set to Xinjiang. This is the method to initialize the map $(".btn-Qing"). on('click', function () { {code...} }) This is what I simply wrote...

I checked the official documentation and it doesn’t seem to mention this.

A component (parent component) obtains a batch of data through the interface. The props of the parent component are passed to the child component (B). After the child component renders this batch of data, there is a button. Click it to change the current state, such as from "Add to Shopping Cart" to "Add to Shopping Cart". I don't know how. Processing can be done at the same time as clicking...

How to get jquery prompt?

I feel like the second one is more troublesome than the first one. Are there any advantages?