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Traverse horizontally in DOM tree There are many useful jQuery methods in the DOM tree that can be traversed horizontally: siblings() next() nextAll() nextUntil() prev() prevAll() prevUntil() jQuery siblings() method The siblings() method returns all siblings of the selected element. The following example returns all siblings of < H2 > ...

Please indicate the source of Reprint: Official website of grape City Grape city provides developers with professional development tools, solutions and services to enable developers.Source: https://blog.bitsrc.io/build-an-html-css-js-playground-64c62133746d   At present, there are many similar platforms and schemes on the market, such as ...

Preface The Editor.md plug-in has been used as the editor of the blog, which is very good. However, when editing in full screen, you can click the button only when you want to preview or save it in the non full screen state. It's uncomfortable to use it, so it took a little time to add three buttons on the toolbar, preview, save and publish. He ...

csrf authentication mechanism: In django, for POST request, csrf will conduct authentication processing. csrf authentication mechanism is to prevent cross site forgery. Without any processing, POST request will report an error.   csrf authentication -- template operation: Actions in template file: In django project, the POST request ...

To use Swoole in ThinkPHP, you need to install the think Swoole composer package, provided that the system has installed the Swoole PECL extension. To install think swoole, execute the composer command in the project root directory of tp5: composer require topthink/think-swoole If you don't say much, go straight to the code: To create a WebSock ...

I. what is Sortable Sortable is a JavaScript library for reordering drag and drop listsTwo. Characteristics1. Support touch devices and modern browsers (including IE9) 2. You can drag from one list to another or from the same list 3. CSS animation when dragging 4. Support drag handle and optional text 5 ...

Objective: to generate the eckarts statistical picture directly according to options in the java background The implementation principle of this paper: java calls Runtime.getRuntime().exec() to call phantomjs. Then phantomjs processes the echarts data, and finally generates the image. Step 1: Download ...

Hello, I'm QD Xiaobai. This is the first time in my life to write a blog. I'm going to write about jQuery fading in and out of the implementation of the rotation chart. Before that, I didn't feel good about the effect of learning JS writing the rotation chart. After learning the fading in and out effect in jQuery, I wrote another rotation chart ...

Promise introduction Promise is a constructor and a solution for asynchronous programming. The so-called Promse itself is a container that holds the results of asynchronous operations. Yes, it is similar to a callback function. The Promise container itself is not asynchronous, but encapsulates an asynchronous task. He has three states: 1. Pen ...

This article records Personal Blog websites Small blog The Next topic optimization process of is updated from time to time. 1. Add statistics function Turn on busuanzi statistics function in themes/next/_config.yml # Show Views / Visitors of the website / page with busuanzi. # Get more information on ...