html knowledge of the most cold front

2010-07-22  来源:本站原创  分类:Web  人气:145 

! DOCTYPE HTML document specifies the document type definition followed (DTD), then to define how we should! DOCTYPE do?


The availability of top-level HTML element "Registration / / Organization / / Type Label / / Definition Language" "URL"

Possible values

Top-level element specifies the DTD declared in the top-level element types. This statement corresponds to the SGML document type. HTML default. HTML.

Availability of formal public identifier specified (FPI) is a publicly accessible object or system resources. PUBLIC by default. Publicly accessible object.

SYSTEM system resources, such as a local file or URL.

Designated organization registered by the International Organization for Standardization (ISO) registration. + Default. Organization name has been registered. - The organization name is not registered.
Internet Engineering Task Force (IETF) and the World Wide Web Consortium (W3C) are not registered in the ISO organization.

Organization that is responsible for the specified! DOCTYPE declaration references the DTD creation and maintenance of the group or organization's name, that OwnderID. IETF IETF.

W3C W3C.

Open the text type specified class, that is, the type of object referenced. DTD default. DTD. SYSTEM: system resources, such as a local file or URL.

Tag specifies the text description of the public, that is publicly quoted on the unique descriptive name for the text. May attach a version number later. HTML default. HTML.

Specifies the document type definition.
Frameset frameset document.
Strict W3C experts ruled out all hope that the phasing out of the representation of attributes and elements, because the style sheet is already perfected.
Transitional includes all elements except frameSet.

Language designated public text language, which is used to create the object referenced by the natural language coding system. The language definition has been prepared for the ISO 639 language code (two uppercase letters). EN default. English.

URL specifies the location of the object referenced.

Note that this statement must appear in the beginning of the document, appear in the html tag.

! DOCTYPE element does not require a closing tag.

This element in the HTML Microsoft Internet Explorer 3.0 is available.
You can use this statement in Internet Explorer 6 and later switched to strict standards-compliant mode. If you want to open this switch, please include in your document at the top! DOCTYPE declaration specified in the statement valid tags, in some cases, also need to specify the definition and / or URL.


In standards-compliant mode, can not guarantee that other versions of Internet Explorer compatible. When you open standards-compliant mode, the document rendering and future behavior may be different versions of Internet Explorer. If the content is already fixed (such as burning the CD), you should not use this mode.

  • html knowledge of the most cold front 2010-07-22

    ! DOCTYPE HTML document specifies the document type definition followed (DTD), then to define how we should! DOCTYPE do? Grammar The availability of top-level HTML element "Registration / / Organization / / Type Label / / Definition Language" &q

  • Taobao seller's secret weapon 2010-06-06

    "Plan of attack articles grandson," said: "Know thyself, know yourself; I do not know he and close friend, and one wins and one negative; know he does not confidant, each bound to perish in battle." This is the battlefield, said the th

  • 110 m obstacle run development 2011-08-08

    [Background] in 2011 based group's 1010 summer training camp 11 days that is August 1 came into contact with the thread, a relatively procedures and processes, the more "simple" one run pages, largely shows the computer in order. In the single-t

  • Personal feelings have to use js to write the framework of the knowledge front 2010-05-31

    1 iframe and fram and control their own window 2 parent window and child window, and each direct call by value. 3 browser judgments. ie with the other. 4, the absolute path of the specified file access 5 window size control scrollWidth, clientWidth 6

  • Knowledge Management 2010-09-16

    [Butterfly Effect frog phenomenon] [] [] [catfish crocodile effect of law herding] [] [] [watch Law hedgehog rules] Broken Window Theory [] [28] [Barrel Theory of Law Matthew] [] [] [duty to spread the logic cage effect] [] Parkinson's Law Halo effec

  • Basic knowledge of CSS 2009-03-13

    In this paper, the source for the original Near the time for the preparation of CSS Reference Manual First, with regard to CSS style sheets 1. In the study before css What you should master the basic kn

  • SP messaging development - basic knowledge 2009-09-27

    SP messaging development - the basis of knowledge articles Source: Unknown The topic is soil, but recently helped a friend do this thing, so write something up for reference for beginners. First, prepare the information SP development site there are

  • Flex and AS3 Common Knowledge of 100 2008-10-05

    【Change the output swf scale, background color, or frame rate】 In the "Navigator" window frame right inside your project "select" Properties "> select" ActionScript Compiler "> in the" Additional compiler argu

  • Knowledge and garbled computer code to solve 2008-12-27

    Here we come to discuss the struts of international programming, namely the so-called i18n programming problem, which we discussed a fundamental part of. Closely associated with this issue is that in the java forums are frequently mentioned in Chines

  • java web knowledge structure 2010-03-28

    Traditional java web application is using jsp + servlet + javabean to achieve, this model achieved the most basic MVC layer, so that the program structure is divided into several layers, responsible show jsp, servlet is responsible for the process lo

  • Some basic knowledge of film and television 2010-02-04

    First, special effects According to the type and style of the film may use different special effects techniques, generally classified as follows. A special make-up (Special Make-up) From the simple to the werewolf make-up of elderly people, "Saving P

  • The evolution of large-scale site architecture and knowledge 2010-03-10

    This article will explain in an ordinary large Web site development into a more typical course of evolution of course structure and the required knowledge system, hoping to give to students in the Internet industry, the concept of the initial point,:

  • Project Management Knowledge Points 2010-02-11

    1. Your team to use source code management tool Why? Should be used. VSS, CVS, PVCS, ClearCase, CCC / Harvest, FireFly can. My choice is VSS. 2. Your team using the defect management system put into effect? Should be used. ClearQuest is too complicat

  • flex 100 small knowledge 2010-02-27 [ Change the scale of the output swf , Background color or frame rate ] In the "Navigator" window frames in your project right > Selected "Properties"> Selected "ActionScript Compiler"

  • Cold pad-batch pre-treatment with a fluid volume control 2010-02-16

    Keyword: Cold pad-batch processing, is directly after the padding fabric singeing working solution of alkali, as gray on the presence of natural impurities and sizing, the fabric has a greater water repellency, so the fabric padding working fluid, th

  • Stereotyped knowledge 2010-02-16

    Keyword: Shaping the knowledge of a product shape. Nylon cloth A setting temperature: 160 ℃ -180 ℃, the speed: 20M-25M / min 2 setting the temperature level on the color has changed dramatically, especially purple, pink orchids, so pay attention to b

  • Knowledge on the color - light 2010-02-16

    Keywords: on the color, knowledge, light Standard light box is widely used in textiles, dyeing, printing, plastics, pigments, paints, inks, color photography and other fields, for accurate color proofing goods bias. Whether ready to introduce color,

  • Flexo bronzing tipping paper to connect the cold process 2010-02-18

    Keyword: Flexo bronzing tipping paper to connect the cold process With the Flexo Red Ring cork full-volume production of paper printing, flexo printing common type cork craft paper matures, the company began to type a higher level of bronzing tipping

  • Consolidate the basic knowledge of shell 2010-04-09

    The following knowledge is in the preparation time to use the shell program, and we need to look up when you can, to consolidate what it shell in a number of extended characters •!! on command all of the characters •! * a command of all parameters •!

  • Simple optimization of the blog front page 2010-04-11

    My knowledge of css and html knowledge are also half a bucket of water, can have a good read, and from the code level to optimize even more to die. Optimization of the front so I only put the background image, css file and js file merging and then co