... and traditional HTML XHTML will remove all presentational tags and will introduce a variety of new tags and ideas to the language XHTML Basic 1.0 A variation of XHTML based upon the modularization ... has a self-identifying end tag () under XHTML, inserts a horizontal rule, or bar, across the screen • The and paragraph tag pair indicates a paragraph of text • A special character ... Addressing the lack of acceptance of the XML reformulation of HTMLbythe mass of Web page authors, the emerging HTML5 standard originally started bythe WHATWG3 group and later rolled into a W3C...
... backward compatibility with XHTML 1.0 and traditional HTML XHTML will remove all presentational tags and will introduce a variety of new tags and ideas to the language XHTML Basic 1.0 A variation ... screen • The and paragraph tag pair indicates a paragraph of text • A special character is inserted using a named entity (♥), which in this case inserts a heart dingbat character ... of the errors in the original specification HTML5 Addressing the lack of acceptance of the XML reformulation of HTMLbythe mass of Web page authors, the emerging HTML5 standard originally started...
... States, the date generally is written with the month first, and then the day and year A or a tag, the latter of which is actually now part of HTML5 , could tag the information and ... mean that HTML5 allows a markup free-for-all Understand that these “mistakes” are actually allowed under traditional HTML and thus are allowed under HTML5 To ensure that you conform to the HTML5 ... increased and we begin to look at sites that are not as professional, things actually get worse Some validation results from Opera’s larger MAMA (Metadata Analysis and Mining Application) study are...
... non-visual data on a tag For example, here an author variable has been defined as custom data: This is a data-X example This value could then be read either ... clearData() Resets the data in the drag element e.dataTransfer.clearData(); • setData(format,data) Sets data to be sent to the drop zone The format field expects a string to indicate the format ... like Japanese The base text that the annotation is associated with should be enclosed in a tag; the annotation, enclosed in a tag, will appear as smaller text above the base text, and...
... initial data is made available from a data source or when the data changes ondatasetcomplete Indicates that all the data is available from the data source ondeactivate Fires when the active element ... when the user agent can play back the media data at the current play position for the first time onloadedmetadata Fires when the user agent has the media’s metadata describing the media’s characteristics ... prefix data- and then pick a variable name to include some nonvisual data on a tag For example, here an author variable has been defined as custom data: This...
... fillStyle The color or style applied on an invocation of fill() The value can be aCSS color, a CanvasGradient as created by createRadialGradient() and createLinearGradient(), or a CanvasPattern as ... createImageData(w, h) createImageData (imagedata) Instantiates a new blank ImageData object with the width w and height h or with the same dimensions as imagedata context.createImageData (100,200); ... aCSS color value, a CanvasGradient as created by createRadialGradient() and createLinearGradient(), or a CanvasPattern as created by createPattern() The default stroke style is black context.strokeStyle...
... • A frame must be declared as part of a frame set, as set by using the tag, which specifies the frame’s relationship to other frames on a page A frame set occurs in a special ... within a site or beyond, but also as a communication mechanism similar to Ajax PART I sandbox This HTML5 attribute constrains the abilities of any iframed content It may contain a space-separated ... column can be assigned a fixed width, in pixels It also can be assigned a percentage of the available width, such as 50 percent Finally, a column can be set to expand to fill the available space by...
... Netscape 1+, Opera 2.1+, Safari 1+ Chapter 3: HTML and XHTML Element Reference 287 Notes • TheHTML 4.01 specification also reserves the use of the datafld, dataformatas, and datasrc data-binding ... of the map element, the name attribute is the common way to define the name of the image map to be referenced bythe usemap attribute within an tag Example ... a float value that indicates the low range of the measurement max This attribute holds a float value that indicates the maximum range of the measurement This attribute holds a float value that...
... implementation, this attribute contains the URL referencing a Java applet class file The way to access a Java applet under the HTML/ XHTML specification is to use ... attribute In practice, the data attribute is used by default Examples
... a draft standard at the time, but they not anything and later are set as char and charoff • CSS visual changes to tables are suggested, but many sites claim that under strict variants the various ... when the align attribute is set to the char value charoff This attribute contains an offset as a positive or negative integer to align characters as related to the char value A value of would align ... traditional HTML as well as HTML5 (Table Data) This element specifies a data cell in a table The element should occur within a table row as defined bythe tr element Standard Syntax
... clear The W3C provides a validation service for CSS at http://jigsaw.w3.org /css- validator/ As an example, validating the page found at www htmlref.com/ch4/hellomalformedcssworld .html shows that ... complain if the attribute is not set regardless of the appearance of the tag Check the current situation by validating the file http://htmlref.com/ ch4/metacsscheck .html using the W3 validator ... tag and use the type attribute, which is particularly appropriate as of this edition s publication as the specification dictates that the type attribute must be set and thus the W3C validator...
... consider the following rule: h1 + p {color: red;} This states that all paragraph elements that are directly after an are red, as indicated by this markup: I am a heading I am an adjacent ... new attribute selectors For example, you can now match attributes that start with a particular value using [attr^=value] Here we match paragraphs that have title attributes that start with “Start ... http://www.htmlref.com */ CSS2 E[attr|=value] Selects all elements of E that have an attribute that contains a value that starts with a value that is a list of hyphen-separated values p[lang|="en"]...
... a measurement as a percentage Percentages are denoted bya number followed bythe % symbol and are always relative to another value such as length Quite often they are used to specify some value ... purposefully and carefully italicize each letter form font-variant Syntax font-variant: normal | small-caps | inherit The small-caps value sets text in smaller-size all capitals The normal value would ... an embedded style sheet, as there are many other ways to indicate character sets with a tag or an HTTP header @font-face This “at” rule is used to associate a font name to be used in a...
... supported bythe type attribute for the , , and (X )HTML tags • CSS2 also included values, such as hebrew, cjk-ideographic, hiragana, katakana, hiragana-iroha, and katakana-iroha These values ... page-break-after: always | auto | avoid | left | right | inherit A value of always forces a page break after the associated element A value of avoid attempts to avoid a page break after the element A ... page-break-inside: always | auto | avoid | left | right | inherit A value of always forces a page break at any place within the element bound A value of avoid attempts to avoid a page break after the element A...
... set all of the animation properties at once Syntax animation: animation-name animation-duration animation-timing-function animation-delay animation-iteration-count animation-direction where each ... history as long as the page is returned to via Back/Forward XMLDocument getAttribute(sAttrName) removeAttribute(sAttrName) setAttribute(sAttrName, vAttrValue) saveSnapshot Allows data to persist ... when the page is saved userData Allows data to persist in user data expires XMLDocument getAttribute(sAttrName) load (sStoreName) removeAttribute(sAttrName) save(sStoreName) setAttribute(sAttrName,...
... translate(translation-valuex, translation-value-y) translate3d(translationvalue-x, translation-value-x y, translation-value-z) translateX(translation-value) translateY(translation-value) translateZ(translation-value) ... specified angle Skews the element along the Y axis bythe specified angle Specifies a translation bythe vector translation-value-x, translation-value-y The translation-value-y is optional and will ... adds spaces when parentheses are used, and ideograph-space adds extra space when the space is found after an ideographic character Examples Japanese...
... A APPENDIX Character Entities K eyboard characters such as < and > have special meanings to (X )HTML because they are part of HTML tags and must be encoded Other characters, such as certain ... example with a mathematical expression: A silly math statement ahead xz is dangerous to validation. Appendix A: Character Entities 729 For the greatest safety, the markup should have ... hsla(hue,saturation, lightness,alpha), where hue, saturation, and lightness are the same as standard hsl() values and the alpha channel value for defining opacity is a number between (fully transparent)...