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Use js to display the time the visitor has stayed on this page in the browser status bar

Problem description: Display on the status bar the time the visitor stayed on this page (for example: you stayed on this page (for example: you stayed on this page for X hours, minutes, and seconds)). This problem is equivalent to designing a timer. , use

2025-02-13
HTML5 uses Canvas to implement the barrage function example

Recently, I started developing barrage video websites, and achieved the function of barrage through Canvas in HTML5. Then don't talk about gossip, let's talk about thinking first. Idea: From the page layout, it covers a canvas on the video window

2025-02-13
The solution to the problem that the form value cannot be obtained after submitting the html form input using disabled

After the form form input box input sets the disable attribute and submits it, the value of the input box cannot be obtained. To solve this type of problem, you can refer to the following two methods: Method 1: Use readonly to replace disabled, that is, c

2025-02-13
CSS filter: Color gradient [Microsoft method]

CSS filter: Color gradient [Microsoft method]<table cellpadding="0" cellspacing="0" width="100%" height="22" border="0">

2025-02-13
Recursive processing of time start and end judgment in form verification

In a recent project, form verification requires a judgment on the start and end range of time: the end time must be greater than or equal to the start time. That is: the end year must be greater than the starting year; if it is equal, compare the starting

2025-02-13
Sample code for HTML5 manifest offline caching

Introduction Offline access is increasingly important for web-based applications. While all browsers have caching mechanisms, they are unreliable and may not always work as expected. HTML5 uses the ApplicationCache interface to solve some of the problems

2025-02-13
How to adapt to web page size without breaking the table

Using the new CSS attributes of IE5.5 or above, use JS to determine if the size of the image is greater than a fixed value, use ZOOM to zoom to create a behavior file named zoom.htc. The code is as follows:

2025-02-13
Sample code for HTML5 drag-and-drop batch upload of files

Drag and drop to upload folders in batches. This component is implemented based on Vue.js. The UI framework is elementUI. The complete demo address is at https://github.com/Msxiaoma/upload-folder. Drag and drop to upload folders (only supported by chrome)

2025-02-13
Javascript implements code sharing for password strength detection

Copy the code code as follows:

2025-02-13
How to call qq internet API to implement third-party login

qq Internet js SDK: http://wiki.connect.qq.com/js_sdk%E4%BD%BF%E7%94%A8%E8%AF%B4%E6%98%8E The code code is as follows:<script type=text/javascript>

2025-02-13
Use css to automatically adapt to the size of the picture

The problem of automatically adapting to the size of pictures is a common problem in daily production. Here is a simple solution:

2025-02-13
JavaScript determines whether the access is from a mobile phone or a computer, and which browser is used

js determines what type of browser copy code the code is as follows: if ( window.sidebar && "object" == typeof( window.sidebar ) && "function" == typeof( window.sideba

2025-02-13
JS operating string converts to a numerical and complete code

Core code: [Ctrl+A full selection: If you need to introduce an external JS, you need to refresh it to execute]

2025-02-13
CSS filter common filter properties and statements

Syntax: STYLE="filter:filtername(fparameter1, fparameter2...)" (Filtername is the name of the filter, fparameter1, fparameter2, etc. are the parameters of the filter)

2025-02-13
js get upload file size sample code

The code is as follows: Under ie, it seems that you want to change the copy code code in the security settings [Initialize and execute ActiveX space marked as a safe executable script] as follows:<html><head><script type="text/javascript"> var isIE =

2025-02-13

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