1/*! 2 * hoverIntent v1.8.1 // 2014.08.11 // jQuery v1.9.1+ 3 * http://cherne.net/brian/resources/jquery.hoverIntent.html 4 * 5 * You may use hoverIntent under the terms of the MIT license. Basically that 6 * means you are free to use hoverIntent as long as this header is left intact. 7 * Copyright 2007, 2014 Brian Cherne 8 */ 9 10/* hoverIntent is similar to jQuery's built-in "hover" method except that 11 * instead of firing the handlerIn function immediately, hoverIntent checks 12 * to see if the user's mouse has slowed down (beneath the sensitivity 13 * threshold) before firing the event. The handlerOut function is only 14 * called after a matching handlerIn. 15 * 16 * // basic usage ... just like .hover() 17 * .hoverIntent( handlerIn, handlerOut ) 18 * .hoverIntent( handlerInOut ) 19 * 20 * // basic usage ... with event delegation! 21 * .hoverIntent( handlerIn, handlerOut, selector ) 22 * .hoverIntent( handlerInOut, selector ) 23 * 24 * // using a basic configuration object 25 * .hoverIntent( config ) 26 * 27 * @param handlerIn function OR configuration object 28 * @param handlerOut function OR selector for delegation OR undefined 29 * @param selector selector OR undefined 30 * @author Brian Cherne <brian(at)cherne(dot)net> 31 */ 32!function(e){e.fn.hoverIntent=function(t,n,o){var r={interval:100,sensitivity:6,timeout:0};r="object"==typeof t?e.extend(r,t):e.isFunction(n)?e.extend(r,{over:t,out:n,selector:o}):e.extend(r,{over:t,out:t,selector:n});var v,i,u,s,h=function(e){v=e.pageX,i=e.pageY},I=function(t,n){return n.hoverIntent_t=clearTimeout(n.hoverIntent_t),Math.sqrt((u-v)*(u-v)+(s-i)*(s-i))<r.sensitivity?(e(n).off("mousemove.hoverIntent",h),n.hoverIntent_s=!0,r.over.apply(n,[t])):(u=v,s=i,n.hoverIntent_t=setTimeout(function(){I(t,n)},r.interval),void 0)},a=function(e,t){return t.hoverIntent_t=clearTimeout(t.hoverIntent_t),t.hoverIntent_s=!1,r.out.apply(t,[e])},c=function(t){var n=e.extend({},t),o=this;o.hoverIntent_t&&(o.hoverIntent_t=clearTimeout(o.hoverIntent_t)),"mouseenter"===t.type?(u=n.pageX,s=n.pageY,e(o).on("mousemove.hoverIntent",h),o.hoverIntent_s||(o.hoverIntent_t=setTimeout(function(){I(n,o)},r.interval))):(e(o).off("mousemove.hoverIntent",h),o.hoverIntent_s&&(o.hoverIntent_t=setTimeout(function(){a(n,o)},r.timeout)))};return this.on({"mouseenter.hoverIntent":c,"mouseleave.hoverIntent":c},r.selector)}}(jQuery);
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