html: Detailed explanation of classid in object tag

1. First, what is object?

#Define an embedded object. Please use this element to add multimedia to your XHTML pages.

This element allows you to specify data and parameters for objects inserted into an HTML document, as well as code that can be used to display and manipulate the data.

273238ce9338fbb04bee6997e5552b95 tag is used to contain objects such as images, audio, video, Java applets, ActiveX, PDF, and Flash.

object was originally intended to replace the img and applet elements. However, this did not happen due to bugs and lack of browser support.

The browser's object support depends on the object type. Unfortunately, major browsers all use different code to load the same object types.

Fortunately, the object object provides a solution. If the object element is not shown, the code between 273238ce9338fbb04bee6997e5552b95 and eb50c9ec568c9b96871b9e94a1ff3fd1 is executed. This way we can nest multiple object elements (one for each browser).

2. The classid

##0c68fef83818661b6da588c77ca3985e tag in object defines the run-time settings for the object.

Don't use the 273238ce9338fbb04bee6997e5552b95 tag for images, use the a1f02c36ba31691bcfe87b2722de723b tag instead.

Let’s look at an example first:

 <object classid="clsid:F08DF954-8592-11D1-B16A-00C0F0283628" id="Slider1" width="100" height="50">
  <param name="BorderStyle" value="1" />
  <param name="MousePointer" value="0" />
  <param name="Enabled" value="1" />
  <param name="Min" value="0" />
  <param name="Max" value="10" /></object>

Among them, the use of param: The param element allows you to specify run-time for objects inserted into XHTML documents Setting

In other words, this tag can provide parameters for the 273238ce9338fbb04bee6997e5552b95 or 082dedeb30a00d0e6e2cdb74a392fac3 tag that contains it.

And classid is the ID of the ActiveX control

The ID of this control We can find it like this:

This microsoft slider control is Microsoft slider control plug-in

Recall: Portal:Jquery Problems existing in the use of Uploadify3.21. and version 2.1 - Record Three

I encountered a similar problem on jQuery uploadify before, the one under IE The BUTTON using flash did not respond, so I added the last sentence:

if ($.browser.msie) { $(".swfupload").attr("classid"," clsid:D27CDB6E-AE6D-11cf-96B8-444553540000"); }

Here is a statement: In the new version of jQuery, this method $.browser.msie has been abandoned . So avoid using this judgment!

Similarly we look for this classid:

## Found two plug-in IDs that are both flash.

The first one is for IE browser, One is for non-IE use.

3.object and embed

we want to For flash content to be displayed normally on a web page, the page must have a tag specifying the flash path. That is, the OBJECT and EMBED tags.

The OBJECT tag is used for the IE browser on the windows platform, while EMBED is used on the Netscape Navigator browser under the windows and Macintosh platforms and the IE browser under the Macintosh platform.

IE on the windows platform uses Activex control to play flash while other browsers use Netscape plug-in technology to play flash.

## The difference between 273238ce9338fbb04bee6997e5552b95 and d8e2720730be5ddc9c2a3782839e8eb6 tags:

Both are Objects used to play multimedia files. The object element is used for IE browsers, and the embed element is used for non-IE browsers. In order to ensure compatibility, we usually use both elements at the same time, and the browser will automatically ignore tags it does not support. When using two elements at the same time, the d8e2720730be5ddc9c2a3782839e8eb6 tag should be placed inside the 273238ce9338fbb04bee6997e5552b95 tag.

4.ActionScript

ActionScript (AS for short) was developed by Macromedia (now acquired by Adobe) The Flash product was originally developed as a simple scripting language.

The latest version, ActionScript 3.0, is a completely

object-orientedprogramming language, with powerful functions, rich class libraries, and syntax Similar to JavaScript, mostly used for Flash interactive, entertainment, practical development, web page production and RIA (Internet application) development

Involved here An extension for writing flash scripts

Use tools:

Flash CS6

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