Summary of problems encountered in jquery.mobile common layout_jquery
A recent project used jquery.mobile to create a simple display on a mobile phone. I only knew about this framework before, but never played with it.
Especially in terms of event binding, compared with the desktop system, the browser is all kinds of uncomfortable and does not get the point.
As shown below, when working on the backend system, the left side is usually filled with modules and subordinate menu items, which can be expanded and folded.
My problem is stuck in the accumulated reviews. In order to reuse the page, an iframe is embedded in the accumulated reviews for comment display.
The first threshold
Students who have experience in mobile WEB development should know that when there is too much content in the iframe under the IOS browser, the scroll bar will not appear and the content will seem to be cut off.
After checking the information, I finally got it. After all, the mobile phone screen is small. When there are many comments, it is impossible to have a row of page turning buttons like the page on the computer browser. This experience is really bad.
Nowadays, rolling loading is generally used. Write the DEMO and run it on the computer first. It works! I changed my mobile phone and tried it with an Android phone first. It works. I think it will work.
Switching to iPhone only solved the scroll bar problem, but my scrolling loading is still there. I swiped repeatedly and still got no response, which made my heart go cold. I want to say something weird here. It is allowed in QQ and WeChat. It is really weird.
There will be no results if you continue to waste it like this, so you should find another way. The first thought was to do this on a separate page. So we encountered the second threshold.
The above corresponds to the cumulative evaluation part. After clicking, the page style is completely messed up and the js events are not executed. Looking at the code with f12, except for the html elements in the body, the part in the head, and the js at the bottom of the page, all are gone.
Are you going to be so stupid? I asked my colleagues if they had encountered such a problem. They said that it would be fine if they added rel="external", but it didn't really work. So the code becomes as follows:
- Cumulative evaluation
Note: rel='external' is similar to target=''_blank'', which means opening in a new page
collapsible listview The two partners are incompatible with each other, and they can't get a better layout effect. I added an empty collapsible while tinkering and it worked. Finally got them together. The collapsible icon defaults to , and the listview item is a right arrow to unify the icons. By default, the cumulative evaluation is not as shown in the picture above.
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This problem has been cleared up. The complete page is as follows:
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JavaScript is widely used in websites, mobile applications, desktop applications and server-side programming. 1) In website development, JavaScript operates DOM together with HTML and CSS to achieve dynamic effects and supports frameworks such as jQuery and React. 2) Through ReactNative and Ionic, JavaScript is used to develop cross-platform mobile applications. 3) The Electron framework enables JavaScript to build desktop applications. 4) Node.js allows JavaScript to run on the server side and supports high concurrent requests.

Python is more suitable for data science and automation, while JavaScript is more suitable for front-end and full-stack development. 1. Python performs well in data science and machine learning, using libraries such as NumPy and Pandas for data processing and modeling. 2. Python is concise and efficient in automation and scripting. 3. JavaScript is indispensable in front-end development and is used to build dynamic web pages and single-page applications. 4. JavaScript plays a role in back-end development through Node.js and supports full-stack development.

C and C play a vital role in the JavaScript engine, mainly used to implement interpreters and JIT compilers. 1) C is used to parse JavaScript source code and generate an abstract syntax tree. 2) C is responsible for generating and executing bytecode. 3) C implements the JIT compiler, optimizes and compiles hot-spot code at runtime, and significantly improves the execution efficiency of JavaScript.

JavaScript's application in the real world includes front-end and back-end development. 1) Display front-end applications by building a TODO list application, involving DOM operations and event processing. 2) Build RESTfulAPI through Node.js and Express to demonstrate back-end applications.

The main uses of JavaScript in web development include client interaction, form verification and asynchronous communication. 1) Dynamic content update and user interaction through DOM operations; 2) Client verification is carried out before the user submits data to improve the user experience; 3) Refreshless communication with the server is achieved through AJAX technology.

Understanding how JavaScript engine works internally is important to developers because it helps write more efficient code and understand performance bottlenecks and optimization strategies. 1) The engine's workflow includes three stages: parsing, compiling and execution; 2) During the execution process, the engine will perform dynamic optimization, such as inline cache and hidden classes; 3) Best practices include avoiding global variables, optimizing loops, using const and lets, and avoiding excessive use of closures.

Python is more suitable for beginners, with a smooth learning curve and concise syntax; JavaScript is suitable for front-end development, with a steep learning curve and flexible syntax. 1. Python syntax is intuitive and suitable for data science and back-end development. 2. JavaScript is flexible and widely used in front-end and server-side programming.

Python and JavaScript have their own advantages and disadvantages in terms of community, libraries and resources. 1) The Python community is friendly and suitable for beginners, but the front-end development resources are not as rich as JavaScript. 2) Python is powerful in data science and machine learning libraries, while JavaScript is better in front-end development libraries and frameworks. 3) Both have rich learning resources, but Python is suitable for starting with official documents, while JavaScript is better with MDNWebDocs. The choice should be based on project needs and personal interests.


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