front end frameworks

Enterprise practical training-web Front-end design and practical training-web Front-end This week, we arranged enterprise training. The company is a Beijing Golden Source wanbo company. One of its two subsidiaries is a development project and the other is an IT training project. We were given classes these two days as

Code of the local sorting instance for JSP front-end data and the jsp front-end sorting instance In front-end, we often need to sort the data. First, write and introduce the js we have written. $ (Function ($) {$ ('# sclazzid ').

PHP control front-end dialog box, php front-end dialog box Application scenarios: This requirement is derived from user confirmation during authorized logon; The reason why the corresponding logic is not placed on the frontend is that this part of the logic is partial to functional services, so it is placed on the b

Self-written javascript front-end waiting controls, javascript front-end Wait for the controls to be searched on the Internet, but they are complicated and not necessarily easy to use. Besides, my project is caused by bootstrap, and I am afraid to use third-party controls easily, for fear of incompatibility, so I wrote

[Web Front-end development] browser compatibility processing, web Front-end 1. center problemContent in div. IE is centered by default, and FF is left aligned by default. You can try to add the code margin: 0 auto;2. High ProblemsThe above div sets the height. If the actual content in the div is greater than the height

Webix front-end architecture project and webix front-end architecture The webix framework is compatible with javascript, HTML, and CSS. Its Applications are flexible. In combination with the background webAPI, the App folder in the entire web project stores front-

(); Fos.close (); return"Success"; } }Catch(IOException e) {System.out.println (e); } return"Failed"; }5. Upload multiple files or imagesFront:this .handlefile}> upload image Handlefile () {= document.getElementById ("Picture"new FormData ();　　 for (Let i = 0; i i) {formdata.append (' file ', Picture[i]); } fetch (' http://localhost:8080/index/getPictures ', {method:' post '= Response.text ()). Then (data + {alert (data)}). Catch　　(function(e) {alert ("error:" + e

Why do front-end developers need to understand page rendering ?, Front-end developersRendering should be optimized from the very beginning when the page layout is defined. styles and scripts play a very important role in page rendering. Professionals know some tips to avoid performance problems. This article does not g

[Specification] Front-end code specifications-css specifications, and front-end code css specificationsEncoding On the first line of css, set the file encoding to UTF-8. @charset "UTF-8";Class Name The class name should be as short and meaningful as possible. Use meaningful names, organizational or objective-specific n

[Front-end performance] High-Performance rolling scroll and page rendering optimization, front-end scroll I recently studied the performance of page rendering and web Animation, and read the masterpiece CSS SECRET. This article mainly talks about page optimization rolling optimization. The main content includes the rea

Front-End of HTTP knowledge learning, front-end of http knowledgeFront-End of HTTP knowledge learning HyperTextTransferProtocol is the most widely used network transmission protocol on the Internet. All WWW files must comply with this standard. HTTP is a TCP/IP-based communi

style, the best browser has been pre-rendered, This will be more fluid when executed. (Because the rendering time is saved) This is a good explanation of why the addition of the way has not changed its style of high efficiency! When you do not add an animated style. The browser is not rendered beforehand. It takes time to add a temporary render and then perform the animation when it is added. The change of style is that the browser has already rendered the animation in advance, except that it i

Examples of CSS transition effect of web Front-end vue, web Front-end vuecss The importance of transition effect in interactive experience is self-evident. In the past, we used js or Jquery to add or remove elements of classes, combined with the styles defined in CSS, and then reference some javascript libraries, which

Getting started with jquery on the Web Front-end and getting started with jquery on the web Front-end This chapter introduces the following content;1. Main Features of jquery;2. Create a jquery encoding environment;3. Simple jquery script example;4. Reasons for choosing jquery instead of javaScript alone;5. Common jque

[Specification] Front-end encoding specification-jquery specification, front-end jqueryUse single quotes Not recommended $("div").html(" Recommendation $('div').html('');Cache variable DOM traversal is expensive, so we try to cache elements that will be reused. Not recommended var h = $('#element').height();$('#element