Comments: For a long time, we have been missing a method to determine whether a user is browsing a specified tab. Have users visited other websites? Are they switching back?
Now, the page visibility interface in HTML5 provides programmers with a way to use the visibilitychange page event to determine the current page v
The mobile html5 page is a compatible solution that enables you to highlight all text content,
Recently, we need to implement a copy function for the html5 WebAPP on the page: After you click "Long press", all text is selected and the "copy" menu is displayed. You can click "copy" to copy the text, paste it to the AppS
Use the HTML5 JS selector to manipulate the elements in the page.
File name: queryselector.html, you can preview the effect in Chrome browser.
using the HTML5 JS selector action page elements Hobbies: Basketball Singing Swimming
Unity make book page turn effectUnity C # Book effect 2D real flip-flop do not use plug-in homemadeImplementation Ideas :The book is divided into two sides, one side of the page to achieve;For the right of the book, with OA as the dividing line, the OAB is the next side of the lower left corner, OAC is the next side of the bottom of the lower corner;Using the uni
PHP implements the class of page turn processing
PHP Instance source code: PHP Implementation of the class page turn processing
Class page{
var $CountAll; Total number of recordsvar $CountPage; Shows the number of records per pagevar $Link; Show full Paging information
Code partAttached: small knowledgeFirst, the font effectColor: #FFF Define the colors of the fonttext-shadow:0 0 2px #146F61;(css3.0 effects)CSS3.0 's text Shadow Text-shadowSyntax: Text-shadow:h-shadow v-shadow blur color;That isText-shadow: "x axis (x offset) Y axis (y offst) blur radius (Blur) color (color)"For example: text-shadow:5px 5px 5px #FF0000;Second, the box model rounded angle effectBorder-radius PropertyExample:Div{BORDER:2PX solid;border-radius:25px;}Equivalent to:div{BORDER:2PX
= (Document.compatmode document.compatmode!= "Backcompat")? Document.documentElement:document.body; return {X:e.clientx + Scrollelem.scrollleft, y:e.clienty + Scrollelem.scrolltop};} // onclick= "alert (' X: ' +mouseposition (event)." X+ ' Y: ' +mouseposition (Event ). Y) Each click takes x, y as an argument to Getimagedata (parameter 1, parameter 2, parameter 3, parameter 4), parameter 1 and parameter 2.As for the specific Getimagedata () usage and the meaning of the parameter I'm
, the page is rendered quickly if a hit is made from the cache.
Simple Overview: Web site based on user analysis, let the browser download the designated pages/Documents/pictures, to achieve super easy:
HTML5 Pre-loading label
The code is as follows:
As you can see from the above HTML code, preload uses the
The code is as follows:
Note: The HTTPS protocol is also suppo
Detailed description of html5 page rem layout adaptation method, html5rem
Rem layout adaptation solution
The main methods are as follows:
Dynamically calculate and set the font-size of the html root tag based on the ratio of the design draft to the device width;
In css, the width, height, and relative position of the design draft element are converted to the value in rem units according to the same pro
Our company recently in doing Baidu Wallet mobile web payment of a product, product use scenario is when the user through the Baidu Wallet scan our product QR code,
Enter our product, then the user selects the item and clicks on the purchase, then generates the order in our system backstage and submits the information to the Baidu Wallet to pay, when the payment is finishedWe will automatically close the system page. This feature is available on A
Page Animation:The data-transition attribute defines the animation effect of page switching.Example: Data-transition parameter table:Parameter descriptionSlide the page from the right to the leftSlideup slides up from the bottomSlidedownPop gradually expands from the centerFade-inFlipNote: If you want to display the back button on the target
PHP page, MySQL database turn utf-8 garbled, Utf-8 coding problem Summary, Mysqlutf-8
Example one:
PHP page to UTF-8 encoding problem
1. Add a line at the beginning of the code: header ("Content-type:text/html;charset=utf-8");
2.PHP file Encoding Problems Click the Editor Menu: "File", "Save As", you can see the current file encoding, to ensure that the file enc
first, the Web location position:Static(default) relative relative positioning (relative to the original position) right-left botton top Absolute Absolute positioning fixed: fix position (relative to browser window) Z-when index is positioned, the top and bottom of overlapping Layer two, page animation deformation function: Transform:translate (translation function x, y translation) TranslateX Translatey Scale (2,2); width, height skew (10deg,10deg);
1.viewportThis method, not all browsers are compatible2. PercentageThis method can be compatible with most browsers, but the range of changes is large. Main. Login. txt1{margin-top:8.59375%; position:relative;}3.css TransformThis method can be compatible with most browsers, but the location of the page is centered. w320{Transform:scale (a);-ms-transform:scale (a); /* IE 9 */-webkit-transform:scale (0.8,0.8); /* Safari and Chrome */}4. Use a responsive
place code is the compile-time behavior, the placed code can not contain a variable amount (such as the above call EAX will not work). Reluctantly apply the place code, also not no, but will make each user function is very complex, contains both the place code, but also contains the JS and language type conversion, including the business logic, there is no encapsulation, ease of use is approximately equal to zero.Complete the full text. Thanks for watching! Do you know who I am?The famous four-
The history API in HTML4History this thing everyone should be not unfamiliar, we often use History.back (-1) to implement the fallback function, the specific properties and methods are as follows:PropertyThe number of entries in length history. The history that JavaScript can control is limited to the range that can be reached with the browser's "forward" and "back" keys. This property returns the number of addresses that are included under the "Forward" and "back" two keys.MethodBack () backwar
the next question, hide Group_win and the topic refresh, while the level map also refreshed to promote a level.The most visible effects are as follows:Well, this article has been finished, now a nearly complete game has almost, just need to use the visible can be in a UI to organize all the operation, here does not say that using "state", the state can be more convenient to design the UI operation, but the game interface is simple, do not do a detailed explanation.This project Source: Chengyuti
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