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    <p>The reason it shakes constantly is that the plugin is set up to create an element that shakes intermittently.... for ever. The shake is produced with <strong><a href="https://developer.mozilla.org/en/DOM/window.setInterval" rel="nofollow noreferrer">setInterval</a></strong>. setInterval is also used to trigger the intermittent periods of shaking.</p> <p>Working from <strong><a href="http://andreaslagerkvist.com/jquery/vibrate/" rel="nofollow noreferrer">the plugin by Andreas Lagerkvist you linked to</a></strong>, just remove the never ending intermittent shakes by removing the setInterval() call to doVibration(). Then you can set how long you want it to vibrate on a hover (you don't want it to vibrate the <strong>entire</strong> time someone hovers... do you? that'd be annoying)</p> <p>Put what you want to vibrate in a div and trigger the vibration with a <strong><a href="http://api.jquery.com/hover/" rel="nofollow noreferrer">.hover()</a></strong>. The advantage of hover is that it vibrate on both mouseenter and mouseleave if the user stops their mouse over the div. </p> <pre><code>$('#jquery-vibrate-example').hover(function() {$(this).vibrate();}); </code></pre> <p>If you only want it to vibrate once just use <strong><a href="http://api.jquery.com/mouseenter/" rel="nofollow noreferrer">.mouseenter()</a></strong></p> <pre><code>$('#jquery-vibrate-example').mouseenter(function() {$(this).vibrate();}); </code></pre> <h2><strong><a href="http://jsfiddle.net/gkw8n/" rel="nofollow noreferrer">jsFiddle example</a></strong></h2> <p><br/></p> <p>When you call <code>.vibrate()</code> you can pass the speed, duration, and spread (I removed frequency) in as parts of an object literal to fine tune the vibration: <code>$(this).vibrate({"speed":100,"duration":800,"spread":5});</code> for example. The larger the <code>speed</code> the slower it shakes, since <code>speed</code> is used directly in the <code>setInterval()</code> of the shaking. The other two are self explanatory:</p> <pre><code>jQuery.fn.vibrate = function (conf) { var config = jQuery.extend({ speed: 30, duration: 1000, spread: 3 }, conf); return this.each(function () { var t = jQuery(this); var vibrate = function () { var topPos = Math.floor(Math.random() * config.spread) - ((config.spread - 1) / 2); var leftPos = Math.floor(Math.random() * config.spread) - ((config.spread - 1) / 2); var rotate = Math.floor(Math.random() * config.spread) - ((config.spread - 1) / 2); t.css({ position: 'relative', left: leftPos + 'px', top: topPos + 'px', WebkitTransform: 'rotate(' + rotate + 'deg)' // cheers to erik@birdy.nu for the rotation-idea }); }; var doVibration = function () { var vibrationInterval = setInterval(vibrate, config.speed); var stopVibration = function () { clearInterval(vibrationInterval); t.css({ position: 'static', WebkitTransform: 'rotate(0deg)' }); }; setTimeout(stopVibration, config.duration); }; doVibration(); }); }; </code></pre> <hr> <p><strong>Note:</strong> The plugin changes the positioning of your shaking item to <code>relative</code>... so you'll get funny results if you apply it to an originally <code>absolute</code>ly positioned element.</p>
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    1. COHere's [a variation of this example](http://jsfiddle.net/gkw8n/307/) with multiple nested vibrating elements. It produces a very interesting effect, which resembles vibrating curtains.
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      1. USAnderson Green
    2. CO@AndersonGreen - Nice! I like it.
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