best doctype for html email

Don ' t forget to add a doctypeAdd what?There are actually many types of HTML: html4.01strict, HTML4.01 Transitional, XHTML1.0 Strict, and so on. These types of HTML define their respective specifications, but they also define a machine-readable language that defines the specification, the elements and attributes of HTML.This type of definition is referred to as the "document type definition", or "DTD".Some

Definition and usage In HTML 4.01, DOCTYPE HTML 4.01 Strict This DTD contains all HTML elements and attributes, but does not include explicit and obsolete elements (such as font ). Framesets is not allowed ). HTML 4.01 Transitional This DTD contains all

when we write HTML pages, we usually add 〈!DOCTYPE〉 them in the first line. the tags, some editors will automatically help us to add, today talk about this 〈!DOCTYPE〉 the role of the label. HTML and XHTMLW3Cbefore the organization also issued HTML standards, the development

The absence of Doctype on the top of the html page may affect the layout and style a lot. If you cannot find the cause of the problem from the style and position details, you must first consider whether the Doctype document type declaration is missing. Currently, the commonly used Doctype is of the html5 type:

The beginning of the nightmare: before writing HTML or JSP page, never pay attention to DOCTYPE statement, also do not understand the role of DOCTYPE. Until recently encountered a very wonderful bug: A page in IE7 and 8,chrome,ff and so on normal, but in the IE9 under the problem, I began to look for, all kinds of debugging, all kinds of log, finally found in Htt

Original link: http://angrycoder.iteye.com/blog/1757539The beginning of the nightmare: before writing HTML or JSP page, never pay attention to DOCTYPE statement, also do not understand the role of DOCTYPE. Until recently encountered a very wonderful bug: A page in IE7 and 8,chrome,ff and so on, but in the IE9 under the problem, I began to look for, all kinds of d

What's the use of this line of code in an HTML page?In a page refactoring process, see the static page of the first line there is a piece of code, followed by a large blank, in the deletion of the blank when the code accidentally deleted the line, and then ....The original display normal page, an instant messy, font style has not, the key is placed in IE browser next look, layout is completely misplaced,,,, also thought is the style in addition to the

A brief introduction to the role of the DOCTYPE declaration in the HTML page:1. DocType is added to the HTML page, the browser renders the page in standard mode.2. If you do not specify the DOCTYPE declaration for HTML, the browse

There is always such a sentence in the header of an HTML document Although we do not give this statement, the browser will render the HTML document, but the bug caused by the HTML version may be here. For common doctype types, see w3school. The statement of htm5 is It is not advisable to declare

The beginning of the nightmare: before writing HTML or JSP page, never pay attention to DOCTYPE statement, also do not understand the role of DOCTYPE.Until recently encountered a very wonderful bug: A page in IE7 and 8,chrome,ff and so on normal, but under the IE9 display a problemI started looking for, all kinds of debugging, all kinds of logFinally found in the HttpWatch inside the answer:doctype not decl

Document Type (abbreviation! DOCTYPE (DOCumentTYPE) is used to tell the Standard Generic Markup Language parser what document type definition (DTD) should be used) after solving the problem of Automatic Filling of forms mentioned in the previous article, I encountered a new problem, that is, some styles in IE are incorrectly displayed. Use the IE developer tool to view the corresponding style, and compare the local

The beginning of the nightmare: before writing HTML or JSP page, never pay attention to DOCTYPE statement, also do not understand the role of DOCTYPE. Until recently encountered a very wonderful bug: A page in IE7 and 8,chrome,ff and so on, but in the IE9 under the problem, I began to look for, all kinds of debugging, all kinds of log, finally found in HttpWatch

Definition and usageIn HTML 4.01, HTML5 is not based on SGML, so you do not need to reference a DTD.Tip: Always add The difference between HTML 4.01 and HTML5There are three types of HTML Elements and document types (Doctype)See this HTML element table, which lists which doc

HTML or XHTML version ! DOCTYPE Statement HTML 2.0 HTML 3.2 HTML 4.0 Transitional HTML 4.0 Frameset

identifier (FPI) is a publicly accessible object or a system resource. Public default. Objects that are publicly accessible. system resources, such as local files or URLs.Registration: Specifies whether the organization is registered by the International Organization for Standardization (ISO). + Default. The organization name is registered. -The organization name is not registered. The Internet Engineering Task Force (IETF) and the World Wide Web Association (WWW) are not registered ISO organiz