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170 lines
No EOL
6.2 KiB
HTML
170 lines
No EOL
6.2 KiB
HTML
<!DOCTYPE html>
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<html lang='en'><head><meta http-equiv='content-type' content='text/html; charset=UTF-8' /></head><body>
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<div class="ui-page">
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<div class="ui-header">
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<h1>.hover()</h1>
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</div>
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<fieldset class="toc">
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<legend>Contents:</legend>
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<ul class="toc-list">
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<li>
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<a href="#hover1">hover( handlerIn(eventObject), handlerOut(eventObject) ) </a><ul><li>.hover( handlerIn(eventObject), handlerOut(eventObject) )
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</li></ul>
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</li>
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<li>
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<a href="#hover2">hover( handlerInOut(eventObject) ) </a><ul><li>.hover( handlerInOut(eventObject) )
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</li></ul>
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</li>
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</ul>
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</fieldset>
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<div class="entry method" id="hover1">
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<h2 class="jq-clearfix roundTop section-title">
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<span class="name">.hover( handlerIn(eventObject), handlerOut(eventObject) )</span> <span class="returns">Returns: <a class="return" href="http://docs.jquery.com/Types#jQuery">jQuery</a></span>
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</h2>
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<div class=" entry-details">
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<p class="desc"><strong>Description: </strong>Bind two handlers to the matched elements, to be executed when the mouse pointer enters and leaves the elements.</p>
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<ul class="signatures"><li class="signature" id="hover-handlerIneventObject-handlerOuteventObject">
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<h4 class="name">
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<span class="versionAdded">version added: <a href="/category/version/1.0/">1.0</a></span>.hover( handlerIn(eventObject), handlerOut(eventObject) )</h4>
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<p class="arguement"><strong>handlerIn(eventObject)</strong>A function to execute when the mouse pointer enters the element.</p>
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<p class="arguement"><strong>handlerOut(eventObject)</strong>A function to execute when the mouse pointer leaves the element.</p>
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</li></ul>
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<div class="longdesc">
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<p>The <code>.hover()</code> method binds handlers for both <code>mouseenter</code> and <code>mouseleave</code> events. We can use it to simply apply behavior to an element during the time the mouse is within the element.</p>
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<p>Calling <code>$(selector).hover(handlerIn, handlerOut)</code> is shorthand for:</p>
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<pre>$(selector).mouseenter(handlerIn).mouseleave(handlerOut);</pre>
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<p>See the discussions for <code><a href="/mouseenter">.mouseenter()</a></code> and <code><a href="/mouseleave">.mouseleave()</a></code> for more details.</p>
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</div>
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<h3>Examples:</h3>
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<div id="entry-examples" class="entry-examples">
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<div id="example-0">
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<h4>Example: <span class="desc">To add a special style to list items that are being hovered over, try:</span>
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</h4>
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<pre><code class="example demo-code"><!DOCTYPE html>
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<html>
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<head>
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<style>
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ul { margin-left:20px; color:blue; }
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li { cursor:default; }
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span { color:red; }
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</style>
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<script src="http://code.jquery.com/jquery-latest.js"></script>
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</head>
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<body>
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<ul>
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<li>Milk</li>
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<li>Bread</li>
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<li class='fade'>Chips</li>
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<li class='fade'>Socks</li>
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</ul>
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<script>
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$("li").hover(
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function () {
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$(this).append($("<span> ***</span>"));
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},
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function () {
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$(this).find("span:last").remove();
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}
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);
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//li with fade class
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$("li.fade").hover(function(){$(this).fadeOut(100);$(this).fadeIn(500);});
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</script>
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</body>
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</html></code></pre>
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<h4>Demo:</h4>
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<div class="demo code-demo"></div>
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</div>
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<div id="example-1">
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<h4>Example: <span class="desc">To add a special style to table cells that are being hovered over, try:</span>
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</h4>
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<pre><code class="example">$("td").hover(
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function () {
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$(this).addClass("hover");
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},
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function () {
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$(this).removeClass("hover");
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}
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);</code></pre>
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</div>
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<div id="example-2">
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<h4>Example: <span class="desc">To unbind the above example use:</span>
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</h4>
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<pre><code class="example">$("td").unbind('mouseenter mouseleave');</code></pre>
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</div>
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</div>
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</div>
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</div>
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<div class="ui-content ui-body ui-body-c" id="hover2">
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<h2 class="jq-clearfix roundTop section-title">
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<span class="name">.hover( handlerInOut(eventObject) )</span> <span class="returns">Returns: <a class="return" href="http://docs.jquery.com/Types#jQuery">jQuery</a></span>
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</h2>
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<div class=" entry-details">
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<p class="desc"><strong>Description: </strong>Bind a single handler to the matched elements, to be executed when the mouse pointer enters or leaves the elements.</p>
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<ul class="signatures"><li class="signature" id="hover-handlerInOuteventObject">
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<h4 class="name">
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<span class="versionAdded">version added: <a href="/category/version/1.4/">1.4</a></span>.hover( handlerInOut(eventObject) )</h4>
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<p class="arguement"><strong>handlerInOut(eventObject)</strong>A function to execute when the mouse pointer enters or leaves the element.</p>
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</li></ul>
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<div class="longdesc">
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<p>The <code>.hover()</code> method, when passed a single function, will execute that handler for both <code>mouseenter</code> and <code>mouseleave</code> events. This allows the user to use jQuery's various toggle methods within the handler.</p>
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<p>Calling <code>$(selector).hover(handlerInOut)</code> is shorthand for:</p>
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<pre>$(selector).bind("mouseenter mouseleave",handlerInOut);</pre>
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<p>See the discussions for <code><a href="/mouseenter">.mouseenter()</a></code> and <code><a href="/mouseleave">.mouseleave()</a></code> for more details.</p>
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</div>
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<h3>Example:</h3>
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<div id="entry-examples" class="entry-examples"><div id="example-0">
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<h4><span class="desc">Slide the next sibling LI up or down on hover, and toggle a class.</span></h4>
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<pre><code class="example demo-code"><!DOCTYPE html>
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<html>
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<head>
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<style>
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ul { margin-left:20px; color:blue; }
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li { cursor:default; }
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li.active { background:black;color:white; }
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span { color:red; }
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</style>
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<script src="http://code.jquery.com/jquery-latest.js"></script>
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</head>
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<body>
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<ul>
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<li>Milk</li>
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<li>White</li>
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<li>Carrots</li>
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<li>Orange</li>
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<li>Broccoli</li>
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<li>Green</li>
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</ul>
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<script>
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$("li")
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.filter(":odd")
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.hide()
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.end()
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.filter(":even")
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.hover(
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function () {
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$(this).toggleClass("active")
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.next().stop(true, true).slideToggle();
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}
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);
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</script>
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</body>
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</html></code></pre>
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<h4>Demo:</h4>
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<div class="demo code-demo"></div>
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</div></div>
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</div>
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</div>
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</div>
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</body></html> |