#W3 html char ref software
#W3 html char ref code

#W3 html char ref software

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#W3 html char ref code

perform js Code ,javascript: eject ： Hello ！ Id attribute ： Global properties, Represents the unique number of the element in the document Hyper reference: It usually means jump address HTML EntityĮntity characters are usually used to display some special symbols in the page.

When displaying code, Usually outside code Elements ,code Represents the code area. Pre The essence of element function ： It has a default Css attribute This element is usually used to display some code in web pages. preīlank fold ： Continuous white space characters in the source code （ Space 、 Line break 、 Tabulation ）, When the page is displayed, Will be folded into a spaceĮxception ： stay pre Content in the element, It will be displayed on the page according to the source code format. The element represents the meaning, It has nothing to do with the display, according to W3C Official standard tracing. Here we are HTML5, It has been abandoned. Lorem: Count the fake papers, Words without any real meaning lorem1īefore ： Some elements are displayed on a single line （ Block-level elements ）, Some elements don't have a single row （ Line level elements ） Reading model 、 Voice mode Text elements

In order for browsers to understand web pages.

Search engine ： Baidu 、 soso 、Bing、GoogleĮvery once in a while, Search engines will from the whole Internet, Grab page source code Important ： Select what element, Depending on the meaning of the content, Instead of showing the effect Why Semantization is needed ？ The effect of elements displayed on the page, Should be determined by the CSS decisionīecause the browser has the default CSS style, So each element has some default styles. What is semanticĮvery last HTML Elements have specific meaningsĪll elements have nothing to do with the display effect Lang attribute ：language, Global properties, Indicates that the text used inside the element is written in a natural language. HTML5 There is no mandatory requirement to write this element Root element, There can only be one page at most, And this element is the parent or ancestor element of all other elements. The document statement, Tell the browser, Used by the current document HTML The standard is HTML5.ĭo not write document declaration, Will cause the browser to enter weird rendering mode. Parent element 、 Subelement 、 Ancestral elements 、 Progeny element 、 Brother element Standard document structure Some elements have no end tag, Such elements are called ： Empty elementsĢ、 Elements cannot be nested with each other

Local properties ： Some element specific attributes - Global properties ： Common to all elements

Usually used for the definition of some termsĮlements = Start mark （begin tag) + End mark （end tag) + Element content + Element attributesĪttribute = Property name + Property value.

Some properties, There are only two states ：.

On site resources and off-site resources.

Elements cannot be nested with each other.

Specifies content to be presented by browsers that do not support the tagĭeprecated. Specifies a section that contains only navigation links Specifies a scalar measurement within a known range (a gauge)

Specifies meta data of an html document which is not displayed on the page Specifies a command/menu item that the user can invoke from a popup menu Specifies a text highlighted for reference purposes, that is for its relevance in another context There is only one element in the document Specifies the main or important content in the document. Specifies a header for a document or sectionĭeprecated. Specifies a footer for a document or section Specifiesa container for an external (non-HTML) applicationĭeprecated. It allows embedding a span of text with a different, or unknown, directionality

Represents text that must be isolated from its surrounding for bidirectional text formatting. Specifies a base URL for all the links in a page If it is removed, the remaining content still makes sense Specifies some content loosely related to the page content. Following tags have been introduced in older versions of HTML but all the tags marked with are part of HTML-5.