HTML object tag, Param properties, embedding media content, movie, audio, mp3, swf flash, pdf files. The name of a data attribute must begin with the string 'data-' and must contain at least one character after the hyphen using any HTML naming convention.The W3C specification for data-attributes states that:This means that we should only use that data internally within our application and it should not be used for displaying the information to our users. Custom Data Attributes allow you to add your own information to tags in HTML. This works fine when I use the JavaScriptSerializer to serialize my .net object. Note that clients may add data attributes of their own to an instance object without affecting the validity of the methods, as long as name conflicts are avoided — again, a naming convention can save a lot of headaches here. Any attribute on any element whose attribute name starts with data- is a data attribute. code. Data Architecture . How to sort element by numerical value of data attribute using JavaScript ? Attributes are added to a tag to provide the browser with more information about how the tag should appear or behave. HTML elements can have attributes on them that are used for anything from accessibility information to stylistic control. What is the use of data-reactid attribute in HTML ? Making a div vertically scrollable using CSS, Introduction to HTML CSS | Learn to Design your First Website in Just 1 Week. Clients should use data attributes with care — clients may mess up invariants maintained by the methods by stamping on their data attributes. __ … The data-* attributes can be used to define our own custom data attributes. Supported Browsers: The browser supported by HTML data Attribute are listed below: Writing code in comment? : Optional — The following attributes are optional. ; Select attribute details from the list of available attributes. To make my markup unobstrusive I use the HTML5 data- attribute to attach data to my html element. acknowledge that you have read and understood our, GATE CS Original Papers and Official Keys, ISRO CS Original Papers and Official Keys, ISRO CS Syllabus for Scientist/Engineer Exam, Top 10 Projects For Beginners To Practice HTML and CSS Skills. An absolute URL - points to data on another web site (like href=""), A relative URL - points to data within a web site (like href="pic_trulli.jpg"). The JavaScriptSerializer encodes single-quotes, left angle brackets and some other characters. How to insert spaces/tabs in text using HTML/CSS? data. Experience. That's it for this quick tutorial. Examples might be simplified to improve reading and learning. The data Attribute in HTML is used to specify the URL of the Embedded file of an Object. Data Attributes will work on any HTML element. Custom Data Attributes should only really be used to store custom data and are not intended to replace existing HTML attributes and elements. Attributes consist of a name and a value separated by an equals (=) sign, with the value surrounded by double quotes. It can be used together with, or in place of, the data attribute. How to set the default value for an HTML