This article mainly introduces Jquery's methods for implementing Image pre-loading and delayed loading, and introduces Native javascript and jQuery plug-ins for implementing Image pre-loading and delayed loading, it has some reference value. if you need it, you can refer to the following example to describe how Jquery
Delayed loading of jQuery images and delayed loading of jquery Images
Delayed loading means that the display is loaded only when the image appears in the browser display area when the scroll bar is dragged. Before that, all images were replaced by one image. Reduces traffic and server load.Effect display http://hovertree.com/texiao/jqimg/7/Use the mouse or keyboa
Loading javascript images-a solution for loading large charts
When a webpage loads a large image, it usually takes a long time to load it;
In addition, the image style cannot be properly controlled during the loading process, which may lead to misplacement and other display errors;
If you can use a smaller loading imag
Various loading and circular progress effects, loading circular progress Effects
Recently, the APP's progress loading effect needs to be modified to simulate the IOS color gradient effect. At the beginning, 12 images are rotated sequentially and placed in the animation-list to implement frame animation, after implementation, the effect is not very smooth. Later
IOS asynchronous task progress loading prompt tool, ios progress loadingI. Introduction
DMProgressHUD is a View tool used to display the progress of Asynchronous Operation tasks. This tool contains the mainstream loading Status view types, which will be iterated in the future based on the actual situation or requirements. DMProgressHUD has five display modes at the design level:Ii. Import (Platform: ios> =
Use RequireJS in JavaScript applications for delayed loading and requirejs for delayed Loading
Both simple and complex Web applications are composed of HTML, JavaScript, and CSS files. Developers usually use third-party JavaScript frameworks such as JQuery, Knockout, and Underscore to speed up development. Because these JavaScript frameworks are developed for specific purposes and have been "verified", it i
Java class loading sequence and java Loading Sequence
Java class loading sequence
I. Loading Sequence
1. initialize static member variables of the parent class
1.1 static code block
1.2. Common Code Block
1.3 No parameter Constructor
2. Static code block of the parent class
3. initialize static member variables of sub
HTML>title>JS picture does not finish loading display loading effecttitle>Body>style>img{float: Left;width:200px;Height:200px;margin:0 10px 10px 0}style>Script>//judging the browservarBrowser=NewObject (); Browser.useragent=window.navigator.userAgent.toLowerCase (); browser.ie=/MSIE/. Test (browser.useragent); Browser.moz=/Gecko/. Test (browser.useragent);//Determine if
WordPress introduces many css/js methods and has many conditions. It is necessary to clarify when a script needs to be registered and then loaded only on certain pages.Load css/js at the front endUse the wp_enqueue_script () function to load js, use wp_enqueue_style () to load css, and the position (action) for loading resources has only one -- wp_enqueue_scripts.Using the wp_enqueue _ series functions, you can better process the dependencies of the s
Summary of python dynamic loading methods and python Dynamic Loading
This example summarizes the python dynamic package loading method. We will share this with you for your reference. The details are as follows:
Three methods are available for Dynamic Loading modules.
1. Use System Function _ import _()
stringmodule =
The front-end optimization process is often referred to the mode of loading JS, the following several commonly used loading methods: Insert This is the most common approach, but the biggest problem with this approach is that when the browser resolves to the 2: Create a dynamic scriptvar script=document.createelement (' script '); Script.type= ' text/javascript '; script.src = ' Test.js ';d ocument.getele
Now the internet era of many sites, each has its own style, but what kind of style can retain the user's stay to watch it? As far as loading is concerned, many loading effects are the same style may users often visit the site has been accustomed to, if your load time than other sites longer, the effect is the same, may be turned off your site to other sites to watch, but if your
Web page loading a large picture, often to load a long time;Moreover, in the loading process, can not well control the style of the picture, prone to dislocation and other display errors;If you can load a large image, first use a smaller loading picture placeholder, and then load the large picture in the background, when the large picture is loaded, automatically
Launcher Startup ClassThis article is the source analysis part of the parent delegation mechanism, and the parent delegation model in the class loading mechanism is very important for the stable operation of the JVM.But the source is actually relatively simple, then briefly introducelet's start with the startup class.there is a Launcher class Sun.misc.Launcher;take a closer look at this short line of comments to get useful informationPS: Directly insi
1: Actual demand
Large Web sites are often contradictory, want users to see more things on the home page, and do not want to waste too much server traffic. For example, a home page with 3 screens. Perhaps 50% of users into the home page is to click on the link to the subpage.
So our site has loaded all 3 screens for 100% of users. If you can load content on demand. We can save more resources and do more good applications.
2: The solution
The client language is used to determine the user's cu
Delayed loading of pictures is also called lazy loading, which is usually applied to pages with more pictures. If a page picture is more, and the page height or width has several screens, the page first load, only show the picture of the visual area, when the page scrolling, the picture into the visual area to load, which can significantly improve the loading spe
MVC-EF delayed loading and mvcef delayed Loading
The so-called EF delayed loading means that when you use Lamabda or Linq to query data, EF does not directly query the data, but loads the data into the memory only when the query result is used. Delayed loading can also be understood as
Ajax implements page loading and content deletion, and ajax implements page loading
The biggest advantage of ajax is that it does not jump to pages during loading or deletion. Most of the current web pages are written using ajax, which reduces the amount of code compared to embedded PHP code, at the same time, loading
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