The effect of 12 constellation switching in weather function page of H5 anti QQ

Today, I watched QQ with my mobile phone. Suddenly, I saw the switching effect of the twelve constellations in QQ weather. I was so excited and thought about how to achieve it. QQ weather effect: The effect of my simulation: It is not implemented in the mobile terminal. It should also be implemented by combining the thre ...

Posted by rob.weaver on Fri, 03 Apr 2020 07:54:59 -0700

Django + clipper to preview, cut and upload the Avatar

Train of thought: Using the front-end plug-in of clipper, the pictures are cropped. The screenshot generated by clipper is a series of base64 codes, and then it is converted to blob format, which is transmitted to the back-end for storage. In short, it means that the front-end cut pictures are sent to the back-end, rat ...

Posted by Chinese on Thu, 02 Apr 2020 22:24:03 -0700

Method summary of jQuery serializing form (serialize(), serializeArray())

Summary of jQuery serializing forms Now the static html page content in the case is posted here: <!DOCTYPE html> <html lang="zh"> <head> <meta charset="UTF-8"> <title>Title</title> <script src="../js/jquery-3.2.1.js"></script> </head> <body> &l ...

Posted by guru2k9 on Thu, 02 Apr 2020 20:23:37 -0700

Done a very simple front-end verification plus back-end jump

Today's release of this may be the most careless one of their own, a lot of problems want to understand, but when doing it, they found that not as they imagined, but also slowly debugging, on-line check a lot of methods are always not working, or their own grope out! Front end display + verification + background query, ...

Posted by alexsaidani on Thu, 02 Apr 2020 17:54:43 -0700

Front drag plug-in gridster.js

Three files must be referenced when using gridster.js: 1.jquery.js(jQuery file) 2. Jquery.gridster.js (the main script of gridster) 3.jquery.gridster.css(gridster style file) You can go to the official website to download, or you can directly reference cdn <script src="https://cdn.bootcss.com/jquery/3.3.1/jquery.js"></script> ...

Posted by BETA on Thu, 02 Apr 2020 15:17:19 -0700

Cross domain solution 1: JSONP

Homologous strategy Balabalabala (the definition doesn't need to be mentioned, simply speaking, the protocol, port and domain name should be the same.) Note: the difference caused by protocol and port is not within the scope of front-end solution JSONP The principle of jsonp is very simple. It is to create s ...

Posted by tommy1987 on Wed, 01 Apr 2020 08:33:59 -0700

nodejs learning notes (1) - web crawler

Unconsciously, I have been developing nodejs for more than a year. I learned a lot in the process and forgot a lot, so I still insist on leaving some content in the blog for later reference. This article mainly realizes a simple website crawler function, grabs the website inside picture as well as the content. Before grabbing, the modules of SU ...

Posted by ubunken on Tue, 31 Mar 2020 23:04:57 -0700

On how to get the width and height of display:none

In the end, we solved this problem when we were working on the project. Record it as follows: There are several situations: 1. Normal condition <div style="width:500px; height:300px;"> <div id="div1" style="width:100%; height:100%; background-color:red;"> <div id="child" sty ...

Posted by FillePille on Tue, 31 Mar 2020 15:22:41 -0700

Zhimeng super simple "load more" and "infinite pull-down" plug-ins, support dynamic and static, support image delay loading

Infinite Ajax Scroll, or ias for short, is a jQuery scrolling ajax paging plug-in. When the page scrolls to the visible part of the container, the data will be loaded asynchronously and automatically. The integration of plug-ins is very simple, including the following steps: 1. jquery.js and jquery-ias.min.js are re ...

Posted by bacarudaguy on Tue, 31 Mar 2020 14:00:12 -0700

Some options are not displayed in Kendo UI required input verification

After several years of EBS secondary development, I recently transferred to WEB development, and finally got a sense of connecting with the world. The new project is useful to the front-end framework of kendo ui. I simply read a few novice introductory tutorials, started rolling code, copied and pasted rolling flying, a ...

Posted by kutchbhi on Tue, 31 Mar 2020 12:34:20 -0700