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  • JS modify the attribute use introduction introduction

    JS modify the attribute use introduction introduction

    Properties and methods that can be accessed by all instances that can be accessed in JavaScript in JavaScript. In many cases, it is necessary to re -assign the attributes in the prototype. I have a novice struggle like me), the following is a simple to do
    2025-02-03
  • Detailed explanation of the marquee attribute in html

    Detailed explanation of the marquee attribute in html

    This tag is not part of HTML 3.2, and only supports the kernel after MSIE3, so if you use the non -IE kernel browser (such as: Netscape), you may not be able to see some of the interesting effect below. This tag is a container label syntax:<marquee></marq
    2025-02-03
  • Solution to the audio format supported by audio in html5

    Solution to the audio format supported by audio in html5

    The HTML5 Audio tag can support wav, mp3, ogg, acc, webm and other formats, but there is a very important music file format midi (extension mid) that does not have built-in support in major browsers. Not all browsers support MP3 OGG and the like. Each bro
    2025-02-03
  • A brief analysis of the differences between offsetLeft, Left and clientLeft

    A brief analysis of the differences between offsetLeft, Left and clientLeft

    Assume that obj is an HTML control. Obj.offsetTop refers to the calculated upper position of obj relative to the layout or the parent coordinate specified by the offsetParent attribute, integer, unit pixel. obj.offsetLeft refers to obj relative to the lay
    2025-02-03
  • A brief overview of scope and context usage in javascript

    A brief overview of scope and context usage in javascript

    Scope and context in JavaScript are unique to the language, thanks in part to the flexibility they bring. Each function has different variable context and scope. These concepts underlie some powerful design patterns in JavaScript. However, this also bring
    2025-02-03
  • Talk about the application of html web table table structured labeling

    Talk about the application of html web table table structured labeling

    Before talking about the structured mark of the web form, you should first read a few pictures. The structured and so -called structured of the HTML table is as shown in the above -mentioned first pair of graphs, which is to divide our tables into three t
    2025-02-03
  • Summary of three methods for defining and initializing js two-dimensional arrays

    Summary of three methods for defining and initializing js two-dimensional arrays

    Method 1: Directly define and initialize. If the number is small, you can use var _TheArray = [["0-1","0-2"],["1-1","1-2"], ["2-1","2-2"]]Method 2: Two-dimensional array of unknown length var tAr
    2025-02-03
  • JS SORT two -dimensional array sorting summary

    JS SORT two -dimensional array sorting summary

    Recently, the problem of JS sorting is that the database sorting is too consuming resources. If it can be transferred to the client to sort, it can greatly reduce the server memory consumption. In the client, except JS, it is as AS. Unfortunately, I learn
    2025-02-03
  • JS judgment two time sample code

    JS judgment two time sample code

    As shown below: Copy code code is as follows: Function Validtime (Starttime, Endtime) {var aRR1 = Starttime.split ("-"); VAR ARR2 = Endtime.Split ("-"); VAR DA
    2025-02-03
  • Summary of usage of substr, substring, indexOf, lastIndexOf in js

    Summary of usage of substr, substring, indexOf, lastIndexOf in js

    Usage of substr, substring, indexOf, lastIndexOf, etc. in js 1. substrsubstr(start, length) means starting from the start position, intercepting a string of length length. var src="images/off_1
    2025-02-03
  • IE7+background transparent text opaque and super simple implementation method

    IE7+background transparent text opaque and super simple implementation method

    If you are still worried about the incompleteness of the transparent text of the background, I suggest you take a look. Of course, I have given up IE6, so don't say that no PNG8 pictures are not effective under IE6, of course you can also use filters.
    2025-02-03
  • Problems with HTML form elements overriding style elements and their remedies

    Problems with HTML form elements overriding style elements and their remedies

    In the process of designing HTML pages, we often encounter problems caused by form elements covering style elements. Figure 1 is a typical example. Don't underestimate this seemingly "low-level" problem. Similar problems are not uncommon eve
    2025-02-03
  • CSS: Customize colorful web link underlines

    CSS: Customize colorful web link underlines

    CSS itself does not directly provide the function of changing the underline of HTML links, but as long as we use some techniques, we can still make the monotonous underline of web links become colorful. 1. Basic principles First of all, the first step to
    2025-02-03
  • Websocket in HTML5 implements live broadcast function

    Websocket in HTML5 implements live broadcast function

    For video live streaming, I studied many solutions in the early stage, including websocket. Due to various reasons, I did not adopt this solution in the end, but I still want to record my learning experience. WebSocket is a protocol for full-duplex commun
    2025-02-03
  • WeChat browser back button interception function in the upper left corner

    WeChat browser back button interception function in the upper left corner

    In the development of WeChat public accounts, sometimes it is necessary to intercept and process the page logic related to the return button in the upper left corner of the browser, instead of letting the page directly return to the previous page. This de
    2025-02-03
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