| Attribute Name | Elements | Description |
|---|---|---|
| accept | <form>, <input> | List of types the server accepts, typically a file type. |
| accept-charset | <form> | List of supported charsets. |
| accesskey | <form> | The URI of a program that processes the information submitted via the form. |
| align | <applet>, <caption>, <col>, <colgroup>, <hr>, <iframe>, <img>, <table>, <tbody>, <td>, <tfoot>, <th>, <thead>, <tr> | Specifies the horizontal alignment of the element. |
| alt | <applet>, <area>, <img>, <input> | Alternative text in case a image can't be displayed. |
async | <script> | Indicates that the script should be executed asynchronously. |
| autocomplete | <form>, <input> | Indicates whether controls in this form can by default have their values automatically completed by the browser. |
| autofocus | <button>, <input>, <keygen>, <select>, <textarea> | The element should be automatically focused after the page loaded. |
| autoplay | <audio>, <video> | The audio or video should play as soon as possible. |
| bgcolor | <body>, <col>, <colgroup>, <marquee>, <table>, <tbody>, <tfoot>, <td>, <th>, <tr> | Background color of the element. Note: This is a legacy attribute. Please use the CSS background-colorproperty instead. |
| border | <img>, <object>, <table> | The border witdth. Note: This is a legacy attribute. Please use the CSS borderproperty instead. |
| buffered | <audio>, <video> | Contains the time range of already buffered media. |
| challenge | <keygen> | A challenge string that is submitted along with the public key. |
| charset | <meta>, <script> | Declares the character encoding of the page or script. |
| checked | <command>, <input> | Indicates whether the element should be checked on page load. |
| cite | <blockquote>, <del>, <ins>, <q> | Contains a URI which points to the source of the quote or change. |
| class | <applet> | Specifies the URL of the applet's class file to be loaded and executed. |
| codebase | <applet> | This attribute gives the absolute or relative URL of the directory where applets' .class files referenced by the code attribute are stored. |
| color | <basefont>, <font>, <hr> | This attribute sets the text color using either a named color or a color specified in the hexadecimal #RRGGBB format. Note: This is a legacy attribute. Please use the CSS colorproperty instead. |
| cols | <textarea> | Defines the number of columns in a textarea. |
| colspan | <td>, <th> | The colspan attribute defines the number of columns a cell should span. |
| content | <meta> | A value associated with http-equiv or name depending on the context. |
| contenteditable | <menu> element which will serve as the element's context menu. | |
| controls | <audio>, <video> | Indicates whether the browser should show playback controls to the user. |
| coords | <area> | A set of values specifying the coordinates of the hot-spot region. |
| data | <object> | Specifies the URL of the resource. |
| datetime | <del>, <ins>, <time> | Indicates the date and time associated with the element. |
| default | <track> | Indicates that the track should be enabled unless the user's preferences indicate something different. |
| defer | <script> | Indicates that the script should be executed after the page has been parsed. |
| dir | <input> , <textarea> | |
| disabled | <button>, <command>, <fieldset>, <input>, <keygen>, <optgroup>, <option>, <select>, <textarea> | Indicates whether the user can interact with the element. |
| draggable | <form> | Defines the content type of the form date when the method is POST. |
| for | <label>, <output> | Describes elements which belongs to this one. |
| form | <button>, <fieldset>, <input>, <keygen>, <label>, <meter>, <object>, <output>, <progress>, <select>, <textarea> | Indicates the form that is the owner of the element. |
| headers | <td>, <th> | IDs of the <th> elements which applies to this element. |
| height | <canvas>, <embed>, <iframe>, <img>, <input>, <object>, <video> | Note: In some instances, such as <div>, this is a legacy attribute, in which case the CSS heightproperty should be used instead. In other cases, such as <canvas>, the height must be specified with this attribute. |
| hidden | <meter> | Indicates the lower bound of the upper range. |
| href | <a>, <area>, <base>, <link> | The URL of a linked resource. |
| hreflang | <a>, <area>, <link> | Specifies the language of the linked resource. |
| http-equiv | <meta> | |
| icon | <command> | Specifies a picture which represents the command. |
| id | <img> | Indicatesthat the image is part of a server-side image map. |
| itemprop | <keygen> | Specifies the type of key generated. |
| kind | <track> | Specifies the kind of text track. |
| label | <track> | Specifies a user-readable title of the text track. |
| lang | <script> | Defines the script language used in the element. |
| list | <input> | Identifies a list of pre-defined options to suggest to the user. |
| loop | <audio>, <bgsound>, <marquee>, <video> | Indicates whether the media should start playing from the start when it's finished. |
| low | <meter> | Indicates the upper bound of the lower range. |
| manifest | <html> | Specifies the URL of the document's cache manifest. |
| max | <input>, <meter>, <progress> | Indicates the maximum value allowed. |
| maxlength | <input>, <textarea> | Defines the maximum number of characters allowed in the element. |
| media | <a>, <area>, <link>, <source>, <style> | Specifies a hint of the media for which the linked resource was designed. |
| method | <form> | Defines which HTTP method to use when submitting the form. Can be GET (default) or POST. |
| min | <input>, <meter> | Indicates the minimum value allowed. |
| multiple | <input>, <select> | Indicates whether multiple values can be entered in an input of the type email or file. |
| name | <button>, <form>, <fieldset>, <iframe>, <input>, <keygen>, <object>, <output>, <select>, <textarea>, <map>, <meta>, <param> | Name of the element. For example used by the server to identify the fields in form submits. |
| novalidate | <form> | This attribute indicates that the form shouldn't be validated when submitted. |
| open | <details> | Indicates whether the details will be shown on page load. |
| optimum | <meter> | Indicates the optimal numeric value. |
| pattern | <input> | Defines a regular expression which the element's value will be validated against. |
| ping | <a>, <area> | |
| placeholder | <input>, <textarea> | Provides a hint to the user of what can be entered in the field. |
| poster | <video> | A URL indicating a poster frame to show until the user plays or seeks. |
| preload | <audio>, <video> | Indicates whether the whole resource, parts of it or nothing should be preloaded. |
| pubdate | <time> | Indicates whether this date and time is the publication date of the nearest ancestor <article>element. |
| radiogroup | <command> | |
| readonly | <input>, <textarea> | Indicates whether the element can be edited. |
| rel | <a>, <area>, <link> | Specifies the relationship of the target object to the link object. |
| required | <input>, <select>, <textarea> | Indicates whether this element is required to fill out or not. |
| reversed | <ol> | Indicates whether the list should be displayed in a descending order instead of a ascending. |
| rows | <textarea> | Defines the number of rows in a textarea. |
| rowspan | <td>, <th> | Defines the number of rows a table cell should span over. |
| sandbox | <iframe> | |
| spellcheck | <th> | |
| scoped | <style> | |
| seamless | <iframe> | |
| selected | <option> | Defines a value which will be selected on page load. |
| shape | <a>, <area> | |
| size | <input>, <select> | Defines the width of the element (in pixels). If the element's type attribute is text or password then it's the number of characters. |
| sizes | <link> | |
| span | <col>, <colgroup> | |
| src | <audio>, <embed>, <iframe>, <img>, <input>, <script>, <source>, <track>, <video> | The URL of the embeddable content. |
| srcdoc | <iframe> | |
| srclang | <track> | |
| start | <ol> | Defines the first number if other than 1. |
| step | <input> | |
| style | <table> | |
| tabindex | <a> , <area>, <base>, <form> | |
| title | <button> , <input>, <command>, <embed>, <object>, <script>, <source>, <style>, <menu> | Defines the type of the element. |
| usemap | <img>, <input>, <object> | |
| value | <button>, <option>, <input>, <li>, <meter>, <progress>, <param> | Defines a default value which will be displayed in the element on page load. |
| width | <canvas>, <embed>, <iframe>, <img>, <input>, <object>, <video> | Note: In some instances, such as <div>, this is a legacy attribute, in which case the CSS widthproperty should be used instead. In other cases, such as <canvas>, the width must be specified with this attribute. |
| wrap | <textarea> | Indicates whether the text should be wrapped. |
Saturday, February 18, 2012
HTML Attributes
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