ajax implements JSONP across domains

A major limitation of AJAX is that cross-domain requests are not allowed. But by using JSONP. JSONP is a script tag injection method. It can refer to js scripts of cross-domain URL s, but it needs to provide a callback function (which must be on your own page), so you can handle the results yourself. What is cross-domain Simply put, for securit ...

Posted by mband2000 on Sat, 29 Jun 2019 01:09:42 +0200

php-Personnel Rights Management (RBAC)

php-Personnel Rights Management (RBAC) Permission management can think of VIP as a function of vip. Ordinary users and VIP users have different functions. Five tables are generally used: user table, role table, function table, and related tables: user and role table, role and function table. The five tables I use are as follows:               ...

Posted by immanuelx2 on Fri, 28 Jun 2019 18:46:38 +0200

Learn from zepto.js how to trigger DOM events manually

Preface Front-end is very popular in recent years, vue, react, angular frameworks emerge in endlessly, if we do not know a two-way data binding, do not know what is virtual DOM, it may be despised. Behind the heat is often endless impetuosity, learning these advanced and popular libraries or frameworks can make us go faster, but calm down to re ...

Posted by 244863 on Mon, 24 Jun 2019 22:52:38 +0200

The state of reactjs in es6 grammar and the practice of props transfer between components

PS: The first piece of nonsense It's a little comforting to remember that a month ago I didn't know how reactjs should be started, but it's a little scary to look back at some of the pits and the startups. Today, I would like to share some of my practical carefulness with new friends. es6 grammatical form of reactjs Needless to say more about t ...

Posted by Kilgore Trout on Sat, 22 Jun 2019 00:01:06 +0200

java uploads files to jquery.uploadify on the server

Based on jquery file upload control, support ajax refreshless upload, multiple files upload at the same time, upload progress display, delete uploaded files. JQuery 1.4 or above, flash player 9.0.24 or above are required. There are two versions, one is flash and the other is HTML 5. HTML 5 pays ~so here's just the flash version 1. js ...

Posted by Ned on Fri, 21 Jun 2019 03:07:38 +0200

Talk about jQuery extensions (plug-ins)

Writing jQuery extensions When we use the method of jQuery object, because jQuery object can operate a set of DOM and support chain operation, it is very convenient to use. But jQuery's built-in approach will never meet all the requirements. For example, we want to highlight some DOM elements, which can be achieved with jQuery: $('span.hl') ...

Posted by dizandat on Thu, 20 Jun 2019 02:08:38 +0200

Code "Xiaobai" knows something new from the past (I) - - OA Management System

Ancient Cloud: Reviewing the Past and Knowing the New. This is excellent. Recently, as a little white man, I have used my spare time to revisit an OA system I wrote as a trainer in the past few months. I hope I can get some new inspiration on the basis of consolidation. Now, in retrospect, the previous person, writing stop, do not feel exclamat ...

Posted by Sxooter on Wed, 19 Jun 2019 02:49:18 +0200

js Learning Summary - Getting offset of elements

Foreword: I used to read others'writings, and then learn something. Now I also record my own learning. I will give you a chance to learn. Welcome you to comment and recommend more, and make progress together. There are six other people who care about me. Ha-ha, Ha-ha, Ha-ha, Ha-ha, Ha-ha, Ha-ha, Ha-ha, Ha-ha, Ha-ha, Ha-ha. I'll keep on writing. ...

Posted by prometheos on Mon, 17 Jun 2019 02:29:11 +0200

Bootstrap modal pop-up box

Previous remarks Modal pop-up box is called Modal in Bootstrap framework. This pop-up effect is visible in most Web site interactions. For example, if you click a button to pop up a box, the pop-up box may be a description of a document, or it may have button operation, or it may pop up a picture. In this paper, Bootstrap modal pop-up box is i ...

Posted by cloudy243 on Sun, 16 Jun 2019 02:58:05 +0200

Web Pack 1 beginner introductory tutorial

This article github warehouse address: https://github.com/Rynxiao/webpack-tutorial It contains all the code for this tutorial. If you think this article is well written, please give this warehouse a star: -D. 1. Introduction 1.1 What is webpack? webpack is a module bundler. webpack takes modules with dependencies and generates static assets re ...

Posted by qazwsx on Sat, 15 Jun 2019 00:18:26 +0200