tailieunhanh - JavaScript Bible, Gold Edition part 85

JavaScript Bible, Gold Edition part 85. This book will bring programmers and non-technical professionals, including casual programmers and scripters, painlessly up to speed on all aspects of mastering JavaScript. Key topics include programming fundamentals, JavaScript language elements and how to use them effectively, and how to easily and efficiently add powerful new functionality to HTML documents and Java applets. | 688 Part III Document Objects Reference Multiple versions of a suffix have no distinction among them. Those MIME types that are best described in four or more characters derived from a meaningful acronym such as mpeg have three-character versions to accommodate the 8-dot-3 filename conventions of MS-DOS and its derivatives. Example See the section Looking for MIME Types and Plug-ins later in this chapter. Related Items None. plugin Object Properties Methods Event Handlers name refresh filename description length Syntax Accessing plugin object properties or method .property I method p7ugInName .property I method NN2 NN3 NN4 NN6 IE3 J1 IE3 J2 IE4 IE5 Compatibility About this object Understanding the distinction between the data embedded in documents that summon the powers of plug-ins and those items that browsers consider to be plugins is important. The former are made part of the document object by way of EMBED tags. If you want to control the plug-in via LiveConnect you can gain access through the object see Chapter 44 . The subject here however is the way the plug-ins work from the browser s perspective The software items registered with the browser at launch time stand ready for any matching MIME type that comes from the Net. One of the main purposes of having these objects scriptable is to let your scripts determine whether a desired plug-in is currently registered with the browser and to help with installing a plug-in. pluginObject Chapter 28 The Navigator and Other Environment Objects 689 The close association between the plugin and mimeType objects demonstrated by the property is equally visible coming from the direction of the plug-in. A plugin object evaluates to an array of MIME types that the plug-in interprets. Use The Evaluator Chapter 13 to experiment with MIME types from the point of view of a plug-in. Begin by finding the name of the plug-in that your browser uses .