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diff --git a/files/bn/web/html/element/a/index.html b/files/bn/web/html/element/a/index.html new file mode 100644 index 0000000000..1f37ace290 --- /dev/null +++ b/files/bn/web/html/element/a/index.html @@ -0,0 +1,495 @@ +--- +title: <a> +slug: Web/HTML/Element/a +translation_of: Web/HTML/Element/a +--- +<p>The <em>HTML <code>Anchor</code> Element</em> (<strong><code><a></code></strong>) defines a hyperlink to a location on the same page or any other page on the Web. It can also be used (in an obsolete way) to create an anchor point—a destination for hyperlinks within the content of a page, so that links aren't limited to connecting simply to the top of a page.</p> + +<pre class="brush: html"><a href="https://developer.mozilla.org">MDN</a></pre> + +<table class="properties"> + <tbody> + <tr> + <th scope="row"><a href="/en-US/docs/HTML/Content_categories" title="HTML/Content_categories">Content categories</a></th> + <td><a href="/en-US/docs/HTML/Content_categories#Flow_content" title="HTML/Content categories#Flow content">Flow content</a>, <a href="/en-US/docs/HTML/Content_categories#Phrasing_content" title="HTML/Content categories#Phrasing content">phrasing content</a>, interactive content, palpable content.</td> + </tr> + <tr> + <th scope="row">Permitted content</th> + <td><a href="/en-US/docs/HTML/Content_categories#Transparent_content_model" title="HTML/Content_categories#Transparent_content_model">Transparent</a>, containing either <a href="/en-US/docs/HTML/Content_categories#Flow_content" title="HTML/Content_categories#Flow_content">flow content</a> or <a href="/en-US/docs/HTML/Content_categories#Phrasing_content" title="HTML/Content_categories#Phrasing_content">phrasing content</a>.</td> + </tr> + <tr> + <th scope="row">Tag omission</th> + <td>{{no_tag_omission}}</td> + </tr> + <tr> + <th scope="row">Permitted parent elements</th> + <td>Any element that accepts <a href="/en-US/docs/HTML/Content_categories#Phrasing_content" title="HTML/Content_categories#Phrasing_content">phrasing content</a>, or any element that accepts <a href="/en-US/docs/HTML/Content_categories#Flow_content" title="HTML/Content_categories#Flow_content">flow content</a>.</td> + </tr> + <tr> + <th scope="row">DOM interface</th> + <td>{{domxref("HTMLAnchorElement")}}</td> + </tr> + </tbody> +</table> + +<h2 id="আট্ট্রিবিউট">আট্ট্রিবিউট </h2> + +<p><span style="line-height: 21px;">This element includes the </span><a href="https://developer.mozilla.org/en-US/docs/HTML/Global_attributes" style="line-height: 21px;" title="HTML/Global attributes">global attributes</a><span style="line-height: 21px;">.</span></p> + +<dl> + <dt>{{htmlattrdef("download")}} {{HTMLVersionInline(5)}}</dt> + <dd>This attribute, if present, indicates that the author intends the hyperlink to be used for downloading a resource so that when the user clicks on the link they will be prompted to save it as a local file. If the attribute has a value, the value will be used as the pre-filled file name in the Save prompt that opens when the user clicks on the link (the user can change the name before actually saving the file of course). There are no restrictions on allowed values (though <code>/</code> and <code>\</code> will be converted to underscores, preventing specific path hints), but you should consider that most file systems have limitations with regard to what punctuation is supported in file names, and browsers are likely to adjust file names accordingly. + <div class="note"> + <p><strong>Note:</strong></p> + + <ul> + <li>Can be used with <a href="/en-US/docs/Web/API/URL.createObjectURL" title="/en-US/docs/Web/API/URL.createObjectURL"><code>blob:</code> URLs</a> and <code>data:</code> URLs, to make it easy for users to download content that is generated programmatically using JavaScript (e.g. a picture created using an online drawing Web app).</li> + <li>If the HTTP header <code>Content-Disposition:</code> is present and gives a different filename than this attribute, the HTTP header has priority over this attribute.</li> + <li>If this attribute is present and <code>Content-Disposition:</code> is set to <code>inline</code>, Firefox gives priority to <code>Content-Disposition</code>, like for the filename case, while Chrome gives priority to the <code>download</code> attribute.</li> + <li>This attribute is only honored for links to resources with the same-origin.</li> + </ul> + </div> + </dd> + <dt>{{htmlattrdef("href")}}</dt> + <dd>This was the single required attribute for anchors defining a hypertext source link, but is no longer required in HTML5. Omitting this attribute creates a placeholder link. The <code>href</code> attribute indicates the link target, either a URL or a URL fragment. A URL fragment is a name preceded by a hash mark (#), which specifies an internal target location (an <a href="/en-US/docs/HTML/Global_attributes#attr-id" title="Global attributes#attr-id">ID</a>) within the current document. URLs are not restricted to Web (HTTP)-based documents. URLs might use any protocol supported by the browser. For example, <code>file</code>, <code>ftp</code>, and <code>mailto</code> work in most user agents. + <div class="note"> + <p><strong>Note:</strong> You can use the special fragment "top" to create a link back to the top of the page; for example <code><a href="#top">Return to top</a></code>. <a href="http://www.whatwg.org/specs/web-apps/current-work/multipage/history.html#scroll-to-fragid" lang="en" title="http://www.whatwg.org/specs/web-apps/current-work/multipage/history.html#scroll-to-fragid">This behavior is specified by HTML5</a>.</p> + </div> + </dd> + <dt>{{htmlattrdef("hreflang")}}</dt> + <dd>This attribute indicates the language of the linked resource. It is purely advisory. Allowed values are determined by <a class="external" href="http://www.ietf.org/rfc/bcp/bcp47.txt" title="http://www.ietf.org/rfc/bcp/bcp47.txt">BCP47</a> for HTML5 and by <a class="external" href="http://www.ietf.org/rfc/rfc1766.txt" title="http://www.ietf.org/rfc/rfc1766.txt">RFC1766</a> for HTML4. Use this attribute only if the {{htmlattrxref("href", "a")}} attribute is present.</dd> + <dt>{{htmlattrdef("media")}} {{HTMLVersionInline(5)}}</dt> + <dd>This attribute specifies the media which the linked resource applies to. Its value must be a <a href="/en-US/docs/CSS/Media_queries" title="CSS/Media queries">media query</a>. This attribute is mainly useful when linking to external stylesheets by allowing the user agent to pick the best adapted one for the device it runs on. + <div class="note"> + <p><strong>Usage note:</strong></p> + + <ul> + <li>In HTML 4, only simple white-space-separated list of media description literals, i.e. <a href="/en-US/docs/CSS/@media" title="https://developer.mozilla.org/en-US/docs/CSS/@media">media types and groups</a>, where defined and allowed as values for this attribute, like <code>print</code>, <code>screen</code>, <code>aural</code>, <code>braille</code>, ... HTML 5 extended this to any kind of <a href="/en-US/docs/CSS/Media_queries" title="CSS/Media queries">media queries</a>, which are a superset of the allowed values of HTML 4.</li> + <li>Browsers not supporting the <a href="/en-US/docs/CSS/Media_queries" title="CSS/Media queries">CSS3 Media Queries</a> won't necessarily recognize the adequate link; do not forget to set fallback links, the restricted set of media queries defined in HTML 4.</li> + </ul> + </div> + </dd> + <dt>{{htmlattrdef("ping")}} {{HTMLVersionInline(5)}}</dt> + <dd>The 'ping' attribute, if present, sends the URLs of the resources a notification/ping if the user follows the hyperlink.</dd> + <dt>{{htmlattrdef("referrerpolicy")}} {{experimental_inline}}</dt> + <dd>A string indicating which referrer to use when fetching the resource: + <ul> + <li><code>"no-referrer"</code> meaning that the <code>Referer:</code> header will not be sent.</li> + <li>"<code>no-referrer-when-downgrade</code>" meaning that no <code>Referer:</code> header will be sent when navigating to an origin without TLS (HTTPS). This is a user agent’s default behavior, if no policy is otherwise specified.</li> + <li><code>"origin"</code> meaning that the referrer will be the origin of the page, that is roughly the scheme, the host and the port.</li> + <li>"origin-when-cross-origin" meaning that navigations to other origins will be limited to the scheme, the host and the port, while navigations on the same origin will include the referrer's path. </li> + <li><code>"unsafe-url"</code> meaning that the referrer will include the origin and the path (but not the fragment, password, or username). This case is unsafe because it can leak origins and paths from TLS-protected resources to insecure origins.</li> + </ul> + </dd> + <dt>{{htmlattrdef("rel")}}</dt> + <dd>For anchors containing the <strong>href</strong> attribute, this attribute specifies the relationship of the target object to the link object. The value is a space-separated list of <a href="https://developer.mozilla.org/en-US/docs/Web/HTML/Link_types">link types values</a>. The values and their semantics will be registered by some authority that might have meaning to the document author. The default relationship, if no other is given, is void. Use this attribute only if the <strong>href</strong> attribute is present.</dd> + <dt>{{htmlattrdef("target")}}</dt> + <dd>This attribute specifies where to display the linked resource. In HTML4, this is the name of, or a keyword for, a frame. In HTML5, it is a name of, or keyword for, a <em>browsing context</em> (for example, tab, window, or inline frame). The following keywords have special meanings: + <ul> + <li><code>_self</code>: Load the response into the same HTML4 frame (or HTML5 browsing context) as the current one. This value is the default if the attribute is not specified.</li> + <li><code>_blank</code>: Load the response into a new unnamed HTML4 window or HTML5 browsing context.</li> + <li><code>_parent</code>: Load the response into the HTML4 frameset parent of the current frame or HTML5 parent browsing context of the current one. If there is no parent, this option behaves the same way as <code>_self</code>.</li> + <li><code>_top</code>: In HTML4: Load the response into the full, original window, canceling all other frames. In HTML5: Load the response into the top-level browsing context (that is, the browsing context that is an ancestor of the current one, and has no parent). If there is no parent, this option behaves the same way as <code>_self</code>.</li> + </ul> + Use this attribute only if the <strong>href</strong> attribute is present.</dd> + <dt>{{htmlattrdef("type")}}</dt> + <dd>This attribute specifies the media type in the form of a {{Glossary("MIME type")}} for the link target. Generally, this is provided strictly as advisory information; however, in the future a browser might add a small icon for multimedia types. For example, a browser might add a small speaker icon when type is set to audio/wav. For a complete list of recognized MIME types, see <a class="linkification-ext external" href="http://www.w3.org/TR/html4/references.html#ref-MIMETYPES" title="Linkification: http://www.w3.org/TR/html4/references.html#ref-MIMETYPES">http://www.w3.org/TR/html4/references.html#ref-MIMETYPES</a>. Use this attribute only if the <code>href</code> attribute is present.</dd> +</dl> + +<h3 id="Obsolete">Obsolete</h3> + +<dl> + <dt>{{htmlattrdef("charset")}} {{obsoleteGeneric("inline","HTML5")}}</dt> + <dd>This attribute defines the character encoding of the linked resource. The value is a space- and/or comma-delimited list of character sets as defined in <a class="external" href="http://tools.ietf.org/html/rfc2045" title="http://tools.ietf.org/html/rfc2045">RFC 2045</a>. The default value is ISO-8859-1. + <div class="note"> + <p><strong>Usage note: </strong>This attribute is obsolete in HTML5 and <strong>should not be used by authors</strong>. To achieve its effect, use the HTTP Content-Type header on the linked resource.</p> + </div> + </dd> + <dt>{{htmlattrdef("coords")}} {{HTMLVersionInline(4)}} only, {{obsoleteGeneric("inline","HTML5")}}</dt> + <dd>For use with object shapes, this attribute uses a comma-separated list of numbers to define the coordinates of the object on the page.</dd> + <dt>{{htmlattrdef("name")}} {{HTMLVersionInline(4)}} only, {{obsoleteGeneric("inline","HTML5")}}</dt> + <dd>This attribute is required in an anchor defining a target location within a page. A value for <strong>name</strong> is similar to a value for the <strong>id</strong> core attribute and should be an alphanumeric identifier unique to the document. Under the HTML 4.01 specification, <strong>id</strong> and <strong>name</strong> both can be used with the <a> element as long as they have identical values. + <div class="note"> + <p><strong>Usage note:</strong> This attribute is obsolete in HTML5, use <a href="/en-US/docs/HTML/Global_attributes#attr-id" title="HTML/Global attributes#id">global attribute <strong>id</strong></a> instead.</p> + </div> + </dd> + <dt>{{htmlattrdef("rev")}} {{HTMLVersionInline(4)}} only, {{obsoleteGeneric("inline","HTML5")}}</dt> + <dd>This attribute specifies a reverse link, the inverse relationship of the <strong>rel</strong> attribute. It is useful for indicating where an object came from, such as the author of a document.</dd> + <dt>{{htmlattrdef("shape")}} {{HTMLVersionInline(4)}} only, {{obsoleteGeneric("inline","HTML5")}}</dt> + <dd>This attribute is used to define a selectable region for hypertext source links associated with a figure to create an image map. The values for the attribute are <code>circle</code>, <code>default</code>, <code>polygon</code>, and <code>rect</code>. The format of the <strong>coords</strong> attribute depends on the value of shape. For <code>circle</code>, the value is <code>x,y,r</code> where <code>x</code> and <code>y</code> are the pixel coordinates for the center of the circle and <code>r</code> is the radius value in pixels. For <code>rect</code>, the <strong>coords</strong> attribute should be <code>x,y,w,h</code>. The <code>x,y</code> values define the upper-left-hand corner of the rectangle, while <code>w</code> and <code>h</code> define the width and height respectively. A value of <code>polygon</code> for <strong>shape</strong> requires <code>x1,y1,x2,y2,...</code> values for <strong>coords</strong>. Each of the <code>x,y</code> pairs defines a point in the polygon, with successive points being joined by straight lines and the last point joined to the first. The value <code>default</code> for shape requires that the entire enclosed area, typically an image, be used. + <div class="note"><strong>Note: </strong>It is advisable to use the <code>usemap</code> attribute for the {{HTMLElement("img")}} element and the associated {{HTMLElement("map")}} element to define hotspots instead of the <code>shape</code> attribute.</div> + </dd> +</dl> + +<h3 id="মানসম্মত_নয়">মানসম্মত নয়</h3> + +<dl> + <dt>{{htmlattrdef("datafld")}} {{Non-standard_inline}}</dt> + <dd>This attribute specifies the column name from that data source object that supplies the bound data. + <div class="note"> + <p><strong>Usage note: </strong>This attribute is non-standard and <strong>should not be used by authors</strong>. To achieve its effect, use scripting and a mechanism such as <a href="/en-US/docs/nsIXMLHttpRequest" title="XMLHttpRequest">XMLHttpRequest</a> to populate the page dynamically</p> + </div> + + <table class="fullwidth-table"> + <tbody> + <tr> + <td rowspan="2">Support</td> + <td>Gecko</td> + <td>Presto</td> + <td>WebKit</td> + <td>Trident</td> + </tr> + <tr> + <td>Not implemented</td> + <td>Not implemented</td> + <td>Not implemented</td> + <td>IE4, IE5, IE6, IE7 (Removed in IE8)</td> + </tr> + <tr> + <td>Normative document</td> + <td colspan="4"><a class="external" href="http://msdn.microsoft.com/en-us/library/ms533703%28VS.85%29.aspx">Microsoft's Data Binding: dataFld Property (MSDN)</a></td> + </tr> + </tbody> + </table> + </dd> + <dt>{{htmlattrdef("datasrc")}} {{Non-standard_inline}}</dt> + <dd>This attribute indicates the ID of the data source object that supplies the data that is bound to this element. + <div class="note"> + <p><strong>Usage note: </strong>This attribute is non-standard and <strong>should not be used by authors</strong>. To achieve its effect, use scripting and a mechanism such as <a href="/en-US/docs/nsIXMLHttpRequest" title="XMLHttpRequest">XMLHttpRequest</a> to populate the page dynamically.</p> + </div> + + <table class="fullwidth-table"> + <tbody> + <tr> + <td rowspan="2">Support</td> + <td>Gecko</td> + <td>Presto</td> + <td>WebKit</td> + <td>Trident</td> + </tr> + <tr> + <td>Not implemented</td> + <td>Not implemented</td> + <td>Not implemented</td> + <td>IE4, IE5, IE6, IE7 (Removed in IE8)</td> + </tr> + <tr> + <td>Normative document</td> + <td colspan="4"><a class="external" href="http://msdn.microsoft.com/en-us/library/ms533709(VS.85).aspx" title="http://msdn.microsoft.com/en-us/library/ms533709(VS.85).aspx">Microsoft's Data Binding: dataSrc Property (MSDN)</a></td> + </tr> + </tbody> + </table> + </dd> + <dt>{{htmlattrdef("methods")}} {{Non-standard_inline}}</dt> + <dd>The value of this attribute provides information about the functions that might be performed on an object. The values generally are given by the HTTP protocol when it is used, but it might (for similar reasons as for the title attribute) be useful to include advisory information in advance in the link. For example, the browser might choose a different rendering of a link as a function of the methods specified; something that is searchable might get a different icon, or an outside link might render with an indication of leaving the current site. This attribute is not well understood nor supported, even by the defining browser, Internet Explorer 4. <a class="external" href="http://msdn.microsoft.com/en-us/library/ms534168(VS.85).aspx">Methods Property (MSDN)</a></dd> +</dl> + +<dl> + <dt>{{htmlattrdef("urn")}} {{Non-standard_inline}}</dt> + <dd>This supposedly Microsoft-supported attribute relates a uniform resource name (URN) with the link. While it is based on standards work years back, the meaning of URNs is still not well defined, so this attribute is meaningless. <a class="external" href="http://msdn.microsoft.com/en-us/library/ms534710(VS.85).aspx">urn Property (MSDN)</a></dd> +</dl> + +<h2 id="উদাহরণ">উদাহরণ </h2> + +<h3 id="বহিঃ_ঠিকানায়_সংযোগ">বহিঃ ঠিকানায় সংযোগ </h3> + +<pre class="brush: html"><!-- anchor linking to external file --> +<a href="http://www.mozilla.com/"> +External Link +</a> +</pre> + +<h4 id="Result" name="Result">Result</h4> + +<p><a class="external" href="http://www.mozilla.com/">External Link</a></p> + +<h3 id="Creating_a_clickable_image">Creating a clickable image</h3> + +<p>This small example use an image to link to the MDN home page. The home page will open in a new browsing context, that is a new page or a new tab.</p> + +<pre class="brush: html"><a href="https://developer.mozilla.org/en-US/" target="_blank"> + <img src="https://mdn.mozillademos.org/files/6851/mdn_logo.png" alt="MDN logo" /> +</a> +</pre> + +<h4 id="Result" name="Result">Result</h4> + +<figure> +<p>{{EmbedLiveSample("Creating_a_clickable_image", "320", "64")}}</p> +</figure> + +<h3 id="Creating_an_email_link">Creating an email link</h3> + +<p>It's common to create buttons or links that will open in the user's email program to allow them to send a new message. This is done by using a <code>mailto</code> link. Here's a simple example:</p> + +<pre class="brush: html"><a href="mailto:nowhere@mozilla.org">Send email to nowhere</a></pre> + +<p>This results in a link that looks like this: <a href="mailto:nowhere@mozilla.org">Send email to nowhere</a>.</p> + +<p>For additional details about the <code>mailto</code> URL scheme, such as how to include the subject, body, or other predetermined content, see <a href="/en-US/docs/Web/Guide/HTML/Email_links">Email links</a> or {{RFC(6068)}}.</p> + +<h3 id="Using_the_download_attribute_to_save_a_canvas_as_a_PNG">Using the download attribute to save a canvas as a PNG</h3> + +<p>If you want to allow a user to download an HTML Canvas as an image you can create a link with a download attribute and the canvas data as a file URL:</p> + +<pre class="brush: js"><strong style="color: #000066; font-weight: bold;">var</strong> link <span style="color: #339933;">=</span> document.<span style="color: #660066;">createElement</span><span style="color: #009900;">(</span><span style="color: #3366CC;">'a'</span><span style="color: #009900;">)</span><span style="color: #339933;">;</span> +link.<span style="color: #660066;">innerHTML</span> <span style="color: #339933;">=</span> <span style="color: #3366CC;">'download image'</span><span style="color: #339933;">;</span> + +link.<span style="color: #660066;">addEventListener</span><span style="color: #009900;">(</span><span style="color: #3366CC;">'click'</span><span style="color: #339933;">,</span> <strong style="color: #000066; font-weight: bold;">function</strong><span style="color: #009900;">(</span>ev<span style="color: #009900;">)</span> <span style="color: #009900;">{</span> + link.<span style="color: #660066;">href</span> <span style="color: #339933;">=</span> canvas.<span style="color: #660066;">toDataURL</span><span style="color: #009900;">(</span><span style="color: #009900;">)</span><span style="color: #339933;">;</span> + link.<span style="color: #660066;">download</span> <span style="color: #339933;">=</span> <span style="color: #3366CC;">"mypainting.png"</span><span style="color: #339933;">;</span> +<span style="color: #009900;">}</span><span style="color: #339933;">,</span> <strong style="color: #003366; font-weight: bold;">false</strong><span style="color: #009900;">)</span><span style="color: #339933;">;</span> + +document.<span style="color: #660066;">body</span>.<span style="color: #660066;">appendChild</span><span style="color: #009900;">(</span>link<span style="color: #009900;">)</span><span style="color: #339933;">;</span></pre> + +<p>You can see this in action <a href="http://jsfiddle.net/codepo8/V6ufG/2/">http://jsfiddle.net/codepo8/V6ufG/2/</a></p> + +<h2 id="Specifications" name="Specifications">স্পেসিফিকেশন</h2> + +<table class="standard-table"> + <thead> + <tr> + <th scope="col">Specification</th> + <th scope="col">Status</th> + <th scope="col">Comment</th> + </tr> + </thead> + <tbody> + <tr> + <td>{{SpecName('Referrer Policy', '#referrer-policy-delivery-referrer-attribute', 'referrer attribute')}}</td> + <td>{{Spec2('Referrer Policy')}}</td> + <td>Added the <code>referrer</code> attribute.</td> + </tr> + <tr> + <td>{{SpecName('HTML WHATWG', 'text-level-semantics.html#the-a-element', '<a>')}}</td> + <td>{{Spec2('HTML WHATWG')}}</td> + <td> </td> + </tr> + <tr> + <td>{{SpecName('HTML5 W3C', 'text-level-semantics.html#the-a-element', '<a>')}}</td> + <td>{{Spec2('HTML5 W3C')}}</td> + <td> </td> + </tr> + <tr> + <td>{{SpecName('HTML4.01', 'struct/links.html#h-12.2', '<a>')}}</td> + <td>{{Spec2('HTML4.01')}}</td> + <td> </td> + </tr> + </tbody> +</table> + +<h2 id="ব্রাউসার_কম্পিটিয়েবিলিটি">ব্রাউসার কম্পিটিয়েবিলিটি</h2> + +<p>{{CompatibilityTable}}</p> + +<div id="compat-desktop"> +<table class="compat-table"> + <tbody> + <tr> + <th>Feature</th> + <th>Chrome</th> + <th>Firefox (Gecko)</th> + <th>Internet Explorer</th> + <th>Opera</th> + <th>Safari</th> + </tr> + <tr> + <td>Basic support</td> + <td>{{CompatVersionUnknown}}</td> + <td>{{CompatGeckoDesktop("1.0")}} [1]</td> + <td>{{CompatVersionUnknown}}</td> + <td>{{CompatVersionUnknown}}</td> + <td>{{CompatVersionUnknown}}</td> + </tr> + <tr> + <td><code>href="#top"</code></td> + <td>{{CompatVersionUnknown}}</td> + <td>{{CompatGeckoDesktop("10.0")}}</td> + <td>{{CompatVersionUnknown}}</td> + <td>{{CompatVersionUnknown}}</td> + <td>{{CompatVersionUnknown}}</td> + </tr> + <tr> + <td>download</td> + <td>{{CompatChrome("14")}}</td> + <td>{{CompatGeckoDesktop("20.0")}}</td> + <td>Edge 13</td> + <td>{{CompatOpera("15")}}</td> + <td>{{CompatNo}}</td> + </tr> + <tr> + <td><code>ping</code></td> + <td>{{CompatVersionUnknown}}</td> + <td>{{CompatNo}} [2]</td> + <td>{{CompatNo}}</td> + <td>{{CompatVersionUnknown}}</td> + <td>{{CompatNo}}</td> + </tr> + <tr> + <td><code>referrerpolicy</code></td> + <td>{{CompatChrome(46.0)}} [3] </td> + <td>{{CompatGeckoDesktop("45")}} [4]</td> + <td>{{CompatNo}}</td> + <td>{{CompatNo}}</td> + <td>{{CompatNo}}</td> + </tr> + </tbody> +</table> +</div> + +<div id="compat-mobile"> +<table class="compat-table"> + <tbody> + <tr> + <th>Feature</th> + <th>Android</th> + <th>Android Webview</th> + <th>Firefox Mobile (Gecko)</th> + <th>IE Mobile</th> + <th>Opera Mobile</th> + <th>Safari Mobile</th> + <th>Chrome for Android</th> + </tr> + <tr> + <td>Basic support</td> + <td>{{CompatVersionUnknown}}</td> + <td>{{CompatVersionUnknown}}</td> + <td>{{CompatGeckoMobile("1.0")}} [1]</td> + <td>{{CompatVersionUnknown}}</td> + <td>{{CompatVersionUnknown}}</td> + <td>{{CompatVersionUnknown}}</td> + <td>{{CompatVersionUnknown}}</td> + </tr> + <tr> + <td><code>href="#top"</code></td> + <td>{{CompatVersionUnknown}}</td> + <td>{{CompatUnknown}}</td> + <td>{{CompatGeckoMobile("10.0")}}</td> + <td>{{CompatVersionUnknown}}</td> + <td>{{CompatVersionUnknown}}</td> + <td>{{CompatVersionUnknown}}</td> + <td>{{CompatUnknown}}</td> + </tr> + <tr> + <td>download</td> + <td>{{CompatVersionUnknown}}</td> + <td>{{CompatUnknown}}</td> + <td>{{CompatGeckoMobile("20.0")}}</td> + <td>{{CompatNo}}</td> + <td>{{CompatUnknown}}</td> + <td>{{CompatNo}}</td> + <td>{{CompatUnknown}}</td> + </tr> + <tr> + <td><code>ping</code></td> + <td>{{CompatUnknown}}</td> + <td>{{CompatUnknown}}</td> + <td>{{CompatNo}} [2]</td> + <td>{{CompatUnknown}}</td> + <td>{{CompatUnknown}}</td> + <td>{{CompatUnknown}}</td> + <td>{{CompatUnknown}}</td> + </tr> + <tr> + <td><code>referrerpolicy</code></td> + <td>{{CompatNo}}</td> + <td>{{CompatChrome(46.0)}} [3]</td> + <td>{{CompatGeckoMobile("45.0")}} [4]</td> + <td>{{CompatNo}}</td> + <td>{{CompatNo}}</td> + <td>{{CompatNo}}</td> + <td>{{CompatChrome(46.0)}} [3]</td> + </tr> + </tbody> +</table> +</div> + +<p>[1] Starting from Gecko 41 {{geckoRelease("41.0")}}, {{HTMLElement("a")}} without <code>href</code> attribute is no more classified as interactive content. Clicking it inside {{HTMLElement("label")}} will activate labelled content ({{bug(1167816)}}).</p> + +<p>[2] <a href="http://kb.mozillazine.org/Browser.send_pings">Disabled by default</a></p> + +<p>[3] Implemented behind a flag.</p> + +<p>[4] From Firefox 42 to Firefox 44, the attribute was called <code>referrer</code>.</p> + +<h2 id="ক্লিক_করুন_ও_ফোকাস_করুন">ক্লিক করুন ও ফোকাস করুন </h2> + +<p>Whether clicking on an {{HTMLElement("a")}} causes it to (by default) become focused varies by browser and OS.</p> + +<table> + <caption>Does clicking on an {{HTMLElement("a")}} give it the focus?</caption> + <tbody> + <tr> + <td>Desktop Browsers</td> + <th>Windows 8.1</th> + <th>OS X 10.9</th> + </tr> + <tr> + <th>Firefox 30.0</th> + <td style="background-color: LawnGreen;">Yes</td> + <td style="background-color: LawnGreen;">Yes</td> + </tr> + <tr> + <th>Chrome ≥39<br> + (<a href="https://code.google.com/p/chromium/issues/detail?id=388666" title="Issue 388666: Focus anchor (A) elements on mousedown">Chromium bug 388666</a>)</th> + <td style="background-color: LawnGreen;">Yes</td> + <td style="background-color: LawnGreen;">Yes</td> + </tr> + <tr> + <th>Safari 7.0.5</th> + <td style="background-color: silver;">N/A</td> + <td style="background-color: yellow;">Only when it has a <code>tabindex</code></td> + </tr> + <tr> + <th>Internet Explorer 11</th> + <td style="background-color: LawnGreen;">Yes</td> + <td style="background-color: silver;">N/A</td> + </tr> + <tr> + <th>Presto (Opera 12)</th> + <td style="background-color: LawnGreen;">Yes</td> + <td style="background-color: LawnGreen;">Yes</td> + </tr> + </tbody> +</table> + +<table> + <caption>Does tapping on an {{HTMLElement("a")}} give it the focus?</caption> + <tbody> + <tr> + <td>Mobile Browsers</td> + <th>iOS 7.1.2</th> + <th>Android 4.4.4</th> + </tr> + <tr> + <th>Safari Mobile</th> + <td style="background-color: yellow;">Only when it has a <code>tabindex</code></td> + <td style="background-color: silver;">N/A</td> + </tr> + <tr> + <th>Chrome 35</th> + <td>???</td> + <td style="background-color: yellow;">Only when it has a <code>tabindex</code></td> + </tr> + </tbody> +</table> + +<h2 id="পাদটীকা">পাদটীকা</h2> + +<p>The following are reserved browser key bindings for the two major browsers and should not be used as values to accesskey: a, c, e, f, g, h, v, left arrow, and right arrow.</p> + +<p>HTML 3.2 defines only <strong>name</strong>, <strong>href</strong>, <strong>rel</strong>, <strong>rev</strong>, and <strong>title</strong>.</p> + +<p>The <strong>target</strong> attribute is not defined in browsers that do not support frames, such as Netscape 1 generation browsers. Furthermore, target is not allowed under strict variants of <a href="/en-US/docs/XHTML" title="XHTML">XHTML</a> but is limited to frameset or transitional forms.</p> + +<h3 id="জাভাস্ক্রিপ্ট_রিকোমেন্ডিশন">জাভাস্ক্রিপ্ট রিকোমেন্ডিশন </h3> + +<p>It is often the case that an anchor tag is used with the <code>onclick</code> event. In order to prevent the page from refreshing, <strong>href</strong> is often set to either "#" or "javascript:void(0)". Both of these values can lead to some unexpected errors when copying links and opening links in a new tab and/or window. Be aware of this for usability reasons, and when users do use anchor tags and you prevent default behavior.</p> + +<h2 id="আরও_দেখুন">আরও দেখুন </h2> + +<ul> + <li>Other elements conveying <a href="/en-US/docs/HTML/Text_level_semantics_conveying_elements" title="HTML/Text level semantics conveying elements">text-level semantics</a>: {{HTMLElement("abbr")}}, {{HTMLElement("em")}}, {{HTMLElement("strong")}}, {{HTMLElement("small")}}, {{HTMLElement("cite")}}, {{HTMLElement("q")}}, {{HTMLElement("dfn")}}, {{HTMLElement("time")}}, {{HTMLElement("code")}}, {{HTMLElement("var")}}, {{HTMLElement("samp")}}, {{HTMLElement("kbd")}}, {{HTMLElement("sub")}}, {{HTMLElement("sup")}}, {{HTMLElement("b")}}, {{HTMLElement("i")}}, {{HTMLElement("mark")}}, {{HTMLElement("ruby")}}, {{HTMLElement("rp")}}, {{HTMLElement("rt")}}, {{HTMLElement("bdo")}}, {{HTMLElement("span")}}, {{HTMLElement("br")}}, {{HTMLElement("wbr")}}.</li> +</ul> + +<div>{{HTMLRef}}</div> |