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pano_museum
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pano_museum
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public
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static
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lib
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scrollbar
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perfect-scrollbar.min.js

perfect-scrollbar.min.js 18 KB
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123456 
  1. /*!
    2. 

  2.  * perfect-scrollbar v1.4.0
    3. 

  3.  * (c) 2018 Hyunje Jun
    4. 

  4.  * @license MIT
    5. 

  5.  */
    6. 

  6. !function(t,e){"object"==typeof exports&&"undefined"!=typeof module?module.exports=e():"function"==typeof define&&define.amd?define(e):t.PerfectScrollbar=e()}(this,function(){"use strict";function v(t){return getComputedStyle(t)}function d(t,e){for(var i in e){var l=e[i];"number"==typeof l&&(l+="px"),t.style[i]=l}return t}function f(t){var e=document.createElement("div");return e.className=t,e}var i="undefined"!=typeof Element&&(Element.prototype.matches||Element.prototype.webkitMatchesSelector||Element.prototype.mozMatchesSelector||Element.prototype.msMatchesSelector);function s(t,e){if(!i)throw new Error("No element matching method supported");return i.call(t,e)}function r(t){t.remove?t.remove():t.parentNode&&t.parentNode.removeChild(t)}function n(t,e){return Array.prototype.filter.call(t.children,function(t){return s(t,e)})}var m={main:"ps",element:{thumb:function(t){return"ps__thumb-"+t},rail:function(t){return"ps__rail-"+t},consuming:"ps__child--consume"},state:{focus:"ps--focus",clicking:"ps--clicking",active:function(t){return"ps--active-"+t},scrolling:function(t){return"ps--scrolling-"+t}}},o={x:null,y:null};function Y(t,e){var i=t.element.classList,l=m.state.scrolling(e);i.contains(l)?clearTimeout(o[e]):i.add(l)}function X(t,e){o[e]=setTimeout(function(){return t.isAlive&&t.element.classList.remove(m.state.scrolling(e))},t.settings.scrollingThreshold)}var l=function(t){this.element=t,this.handlers={}},t={isEmpty:{configurable:!0}};l.prototype.bind=function(t,e){void 0===this.handlers[t]&&(this.handlers[t]=[]),this.handlers[t].push(e),this.element.addEventListener(t,e,!1)},l.prototype.unbind=function(e,i){var l=this;this.handlers[e]=this.handlers[e].filter(function(t){return!(!i||t===i)||(l.element.removeEventListener(e,t,!1),!1)})},l.prototype.unbindAll=function(){for(var t in this.handlers)this.unbind(t)},t.isEmpty.get=function(){var e=this;return Object.keys(this.handlers).every(function(t){return 0===e.handlers[t].length})},Object.defineProperties(l.prototype,t);var p=function(){this.eventElements=[]};function b(t){if("function"==typeof window.CustomEvent)return new CustomEvent(t);var e=document.createEvent("CustomEvent");return e.initCustomEvent(t,!1,!1,void 0),e}p.prototype.eventElement=function(e){var t=this.eventElements.filter(function(t){return t.element===e})[0];return t||(t=new l(e),this.eventElements.push(t)),t},p.prototype.bind=function(t,e,i){this.eventElement(t).bind(e,i)},p.prototype.unbind=function(t,e,i){var l=this.eventElement(t);l.unbind(e,i),l.isEmpty&&this.eventElements.splice(this.eventElements.indexOf(l),1)},p.prototype.unbindAll=function(){this.eventElements.forEach(function(t){return t.unbindAll()}),this.eventElements=[]},p.prototype.once=function(t,e,i){var l=this.eventElement(t),r=function(t){l.unbind(e,r),i(t)};l.bind(e,r)};var e=function(t,e,i,l,r){var n;if(void 0===l&&(l=!0),void 0===r&&(r=!1),"top"===e)n=["contentHeight","containerHeight","scrollTop","y","up","down"];else{if("left"!==e)throw new Error("A proper axis should be provided");n=["contentWidth","containerWidth","scrollLeft","x","left","right"]}!function(t,e,i,l,r){var n=i[0],o=i[1],s=i[2],a=i[3],c=i[4],h=i[5];void 0===l&&(l=!0);void 0===r&&(r=!1);var u=t.element;t.reach[a]=null,u[s]<1&&(t.reach[a]="start");u[s]>t[n]-t[o]-1&&(t.reach[a]="end");e&&(u.dispatchEvent(b("ps-scroll-"+a)),e<0?u.dispatchEvent(b("ps-scroll-"+c)):0<e&&u.dispatchEvent(b("ps-scroll-"+h)),l&&(Y(d=t,f=a),X(d,f)));var d,f;t.reach[a]&&(e||r)&&u.dispatchEvent(b("ps-"+a+"-reach-"+t.reach[a]))}(t,i,n,l,r)};function g(t){return parseInt(t,10)||0}var w={isWebKit:"undefined"!=typeof document&&"WebkitAppearance"in document.documentElement.style,supportsTouch:"undefined"!=typeof window&&("ontouchstart"in window||window.DocumentTouch&&document instanceof window.DocumentTouch),supportsIePointer:"undefined"!=typeof navigator&&navigator.msMaxTouchPoints,isChrome:"undefined"!=typeof navigator&&/Chrome/i.test(navigator&&navigator.userAgent)},y=function(t){var e=t.element,i=Math.floor(e.scrollTop),l=e.getBoundingClientRect();t.containerWidth=Math.ceil(l.width),t.containerHeight=Math.ceil(l.height),t.contentWidth=e.scrollWidth,t.contentHeight=e.scrollHeight,e.contains(t.scrollbarXRail)||(n(e,m.element.rail("x")).forEach(function(t){return r(t)}),e.appendChild(t.scrollbarXRail)),e.contains(t.scrollbarYRail)||(n(e,m.element.rail("y")).forEach(function(t){return r(t)}),e.appendChild(t.scrollbarYRail)),!t.settings.suppressScrollX&&t.containerWidth+t.settings.scrollXMarginOffset<t.contentWidth?(t.scrollbarXActive=!0,t.railXWidth=t.containerWidth-t.railXMarginWidth,t.railXRatio=t.containerWidth/t.railXWidth,t.scrollbarXWidth=a(t,g(t.railXWidth*t.containerWidth/t.contentWidth)),t.scrollbarXLeft=g((t.negativeScrollAdjustment+e.scrollLeft)*(t.railXWidth-t.scrollbarXWidth)/(t.contentWidth-t.containerWidth))):t.scrollbarXActive=!1,!t.settings.suppressScrollY&&t.containerHeight+t.settings.scrollYMarginOffset<t.contentHeight?(t.scrollbarYActive=!0,t.railYHeight=t.containerHeight-t.railYMarginHeight,t.railYRatio=t.containerHeight/t.railYHeight,t.scrollbarYHeight=a(t,g(t.railYHeight*t.containerHeight/t.contentHeight)),t.scrollbarYTop=g(i*(t.railYHeight-t.scrollbarYHeight)/(t.contentHeight-t.containerHeight))):t.scrollbarYActive=!1,t.scrollbarXLeft>=t.railXWidth-t.scrollbarXWidth&&(t.scrollbarXLeft=t.railXWidth-t.scrollbarXWidth),t.scrollbarYTop>=t.railYHeight-t.scrollbarYHeight&&(t.scrollbarYTop=t.railYHeight-t.scrollbarYHeight),function(t,e){var i={width:e.railXWidth},l=Math.floor(t.scrollTop);e.isRtl?i.left=e.negativeScrollAdjustment+t.scrollLeft+e.containerWidth-e.contentWidth:i.left=t.scrollLeft;e.isScrollbarXUsingBottom?i.bottom=e.scrollbarXBottom-l:i.top=e.scrollbarXTop+l;d(e.scrollbarXRail,i);var r={top:l,height:e.railYHeight};e.isScrollbarYUsingRight?e.isRtl?r.right=e.contentWidth-(e.negativeScrollAdjustment+t.scrollLeft)-e.scrollbarYRight-e.scrollbarYOuterWidth:r.right=e.scrollbarYRight-t.scrollLeft:e.isRtl?r.left=e.negativeScrollAdjustment+t.scrollLeft+2*e.containerWidth-e.contentWidth-e.scrollbarYLeft-e.scrollbarYOuterWidth:r.left=e.scrollbarYLeft+t.scrollLeft;d(e.scrollbarYRail,r),d(e.scrollbarX,{left:e.scrollbarXLeft,width:e.scrollbarXWidth-e.railBorderXWidth}),d(e.scrollbarY,{top:e.scrollbarYTop,height:e.scrollbarYHeight-e.railBorderYWidth})}(e,t),t.scrollbarXActive?e.classList.add(m.state.active("x")):(e.classList.remove(m.state.active("x")),t.scrollbarXWidth=0,t.scrollbarXLeft=0,e.scrollLeft=0),t.scrollbarYActive?e.classList.add(m.state.active("y")):(e.classList.remove(m.state.active("y")),t.scrollbarYHeight=0,t.scrollbarYTop=0,e.scrollTop=0)};function a(t,e){return t.settings.minScrollbarLength&&(e=Math.max(e,t.settings.minScrollbarLength)),t.settings.maxScrollbarLength&&(e=Math.min(e,t.settings.maxScrollbarLength)),e}function c(e,t){var i=t[0],l=t[1],r=t[2],n=t[3],o=t[4],s=t[5],a=t[6],c=t[7],h=t[8],u=e.element,d=null,f=null,p=null;function b(t){u[a]=d+p*(t[r]-f),Y(e,c),y(e),t.stopPropagation(),t.preventDefault()}function g(){X(e,c),e[h].classList.remove(m.state.clicking),e.event.unbind(e.ownerDocument,"mousemove",b)}e.event.bind(e[o],"mousedown",function(t){d=u[a],f=t[r],p=(e[l]-e[i])/(e[n]-e[s]),e.event.bind(e.ownerDocument,"mousemove",b),e.event.once(e.ownerDocument,"mouseup",g),e[h].classList.add(m.state.clicking),t.stopPropagation(),t.preventDefault()})}var W={"click-rail":function(i){i.event.bind(i.scrollbarY,"mousedown",function(t){return t.stopPropagation()}),i.event.bind(i.scrollbarYRail,"mousedown",function(t){var e=t.pageY-window.pageYOffset-i.scrollbarYRail.getBoundingClientRect().top>i.scrollbarYTop?1:-1;i.element.scrollTop+=e*i.containerHeight,y(i),t.stopPropagation()}),i.event.bind(i.scrollbarX,"mousedown",function(t){return t.stopPropagation()}),i.event.bind(i.scrollbarXRail,"mousedown",function(t){var e=t.pageX-window.pageXOffset-i.scrollbarXRail.getBoundingClientRect().left>i.scrollbarXLeft?1:-1;i.element.scrollLeft+=e*i.containerWidth,y(i),t.stopPropagation()})},"drag-thumb":function(t){c(t,["containerWidth","contentWidth","pageX","railXWidth","scrollbarX","scrollbarXWidth","scrollLeft","x","scrollbarXRail"]),c(t,["containerHeight","contentHeight","pageY","railYHeight","scrollbarY","scrollbarYHeight","scrollTop","y","scrollbarYRail"])},keyboard:function(n){var o=n.element;n.event.bind(n.ownerDocument,"keydown",function(t){if(!(t.isDefaultPrevented&&t.isDefaultPrevented()||t.defaultPrevented)&&(s(o,":hover")||s(n.scrollbarX,":focus")||s(n.scrollbarY,":focus"))){var e,i=document.activeElement?document.activeElement:n.ownerDocument.activeElement;if(i){if("IFRAME"===i.tagName)i=i.contentDocument.activeElement;else for(;i.shadowRoot;)i=i.shadowRoot.activeElement;if(s(e=i,"input,[contenteditable]")||s(e,"select,[contenteditable]")||s(e,"textarea,[contenteditable]")||s(e,"button,[contenteditable]"))return}var l=0,r=0;switch(t.which){case 37:l=t.metaKey?-n.contentWidth:t.altKey?-n.containerWidth:-30;break;case 38:r=t.metaKey?n.contentHeight:t.altKey?n.containerHeight:30;break;case 39:l=t.metaKey?n.contentWidth:t.altKey?n.containerWidth:30;break;case 40:r=t.metaKey?-n.contentHeight:t.altKey?-n.containerHeight:-30;break;case 32:r=t.shiftKey?n.containerHeight:-n.containerHeight;break;case 33:r=n.containerHeight;break;case 34:r=-n.containerHeight;break;case 36:r=n.contentHeight;break;case 35:r=-n.contentHeight;break;default:return}n.settings.suppressScrollX&&0!==l||n.settings.suppressScrollY&&0!==r||(o.scrollTop-=r,o.scrollLeft+=l,y(n),function(t,e){var i=Math.floor(o.scrollTop);if(0===t){if(!n.scrollbarYActive)return!1;if(0===i&&0<e||i>=n.contentHeight-n.containerHeight&&e<0)return!n.settings.wheelPropagation}var l=o.scrollLeft;if(0===e){if(!n.scrollbarXActive)return!1;if(0===l&&t<0||l>=n.contentWidth-n.containerWidth&&0<t)return!n.settings.wheelPropagation}return!0}(l,r)&&t.preventDefault())}})},wheel:function(b){var g=b.element;function t(t){var e,i,l,r=(i=(e=t).deltaX,l=-1*e.deltaY,void 0!==i&&void 0!==l||(i=-1*e.wheelDeltaX/6,l=e.wheelDeltaY/6),e.deltaMode&&1===e.deltaMode&&(i*=10,l*=10),i!=i&&l!=l&&(i=0,l=e.wheelDelta),e.shiftKey?[-l,-i]:[i,l]),n=r[0],o=r[1];if(!function(t,e,i){if(!w.isWebKit&&g.querySelector("select:focus"))return!0;if(!g.contains(t))return!1;for(var l=t;l&&l!==g;){if(l.classList.contains(m.element.consuming))return!0;var r=v(l);if([r.overflow,r.overflowX,r.overflowY].join("").match(/(scroll|auto)/)){var n=l.scrollHeight-l.clientHeight;if(0<n&&!(0===l.scrollTop&&0<i||l.scrollTop===n&&i<0))return!0;var o=l.scrollWidth-l.clientWidth;if(0<o&&!(0===l.scrollLeft&&e<0||l.scrollLeft===o&&0<e))return!0}l=l.parentNode}return!1}(t.target,n,o)){var s,a,c,h,u,d,f,p=!1;b.settings.useBothWheelAxes?b.scrollbarYActive&&!b.scrollbarXActive?(o?g.scrollTop-=o*b.settings.wheelSpeed:g.scrollTop+=n*b.settings.wheelSpeed,p=!0):b.scrollbarXActive&&!b.scrollbarYActive&&(n?g.scrollLeft+=n*b.settings.wheelSpeed:g.scrollLeft-=o*b.settings.wheelSpeed,p=!0):(g.scrollTop-=o*b.settings.wheelSpeed,g.scrollLeft+=n*b.settings.wheelSpeed),y(b),(p=p||(s=n,a=o,c=Math.floor(g.scrollTop),h=0===g.scrollTop,u=c+g.offsetHeight===g.scrollHeight,d=0===g.scrollLeft,f=g.scrollLeft+g.offsetWidth===g.scrollWidth,!(Math.abs(a)>Math.abs(s)?h||u:d||f)||!b.settings.wheelPropagation))&&!t.ctrlKey&&(t.stopPropagation(),t.preventDefault())}}void 0!==window.onwheel?b.event.bind(g,"wheel",t):void 0!==window.onmousewheel&&b.event.bind(g,"mousewheel",t)},touch:function(s){if(w.supportsTouch||w.supportsIePointer){var a=s.element,c={},h=0,u={},i=null;w.supportsTouch?(s.event.bind(a,"touchstart",t),s.event.bind(a,"touchmove",e),s.event.bind(a,"touchend",l)):w.supportsIePointer&&(window.PointerEvent?(s.event.bind(a,"pointerdown",t),s.event.bind(a,"pointermove",e),s.event.bind(a,"pointerup",l)):window.MSPointerEvent&&(s.event.bind(a,"MSPointerDown",t),s.event.bind(a,"MSPointerMove",e),s.event.bind(a,"MSPointerUp",l)))}function d(t,e){a.scrollTop-=e,a.scrollLeft-=t,y(s)}function f(t){return t.targetTouches?t.targetTouches[0]:t}function p(t){return!(t.pointerType&&"pen"===t.pointerType&&0===t.buttons||(!t.targetTouches||1!==t.targetTouches.length)&&(!t.pointerType||"mouse"===t.pointerType||t.pointerType===t.MSPOINTER_TYPE_MOUSE))}function t(t){if(p(t)){var e=f(t);c.pageX=e.pageX,c.pageY=e.pageY,h=(new Date).getTime(),null!==i&&clearInterval(i)}}function e(t){if(p(t)){var e=f(t),i={pageX:e.pageX,pageY:e.pageY},l=i.pageX-c.pageX,r=i.pageY-c.pageY;if(function(t,e,i){if(!a.contains(t))return!1;for(var l=t;l&&l!==a;){if(l.classList.contains(m.element.consuming))return!0;var r=v(l);if([r.overflow,r.overflowX,r.overflowY].join("").match(/(scroll|auto)/)){var n=l.scrollHeight-l.clientHeight;if(0<n&&!(0===l.scrollTop&&0<i||l.scrollTop===n&&i<0))return!0;var o=l.scrollLeft-l.clientWidth;if(0<o&&!(0===l.scrollLeft&&e<0||l.scrollLeft===o&&0<e))return!0}l=l.parentNode}return!1}(t.target,l,r))return;d(l,r),c=i;var n=(new Date).getTime(),o=n-h;0<o&&(u.x=l/o,u.y=r/o,h=n),function(t,e){var i=Math.floor(a.scrollTop),l=a.scrollLeft,r=Math.abs(t),n=Math.abs(e);if(r<n){if(e<0&&i===s.contentHeight-s.containerHeight||0<e&&0===i)return 0===window.scrollY&&0<e&&w.isChrome}else if(n<r&&(t<0&&l===s.contentWidth-s.containerWidth||0<t&&0===l))return!0;return!0}(l,r)&&t.preventDefault()}}function l(){s.settings.swipeEasing&&(clearInterval(i),i=setInterval(function(){s.isInitialized?clearInterval(i):u.x||u.y?Math.abs(u.x)<.01&&Math.abs(u.y)<.01?clearInterval(i):(d(30*u.x,30*u.y),u.x*=.8,u.y*=.8):clearInterval(i)},10))}}},h=function(t,e){var i=this;if(void 0===e&&(e={}),"string"==typeof t&&(t=document.querySelector(t)),!t||!t.nodeName)throw new Error("no element is specified to initialize PerfectScrollbar");for(var l in(this.element=t).classList.add(m.main),this.settings={handlers:["click-rail","drag-thumb","keyboard","wheel","touch"],maxScrollbarLength:null,minScrollbarLength:null,scrollingThreshold:1e3,scrollXMarginOffset:0,scrollYMarginOffset:0,suppressScrollX:!1,suppressScrollY:!1,swipeEasing:!0,useBothWheelAxes:!1,wheelPropagation:!0,wheelSpeed:1},e)i.settings[l]=e[l];this.containerWidth=null,this.containerHeight=null,this.contentWidth=null,this.contentHeight=null;var r,n,o=function(){return t.classList.add(m.state.focus)},s=function(){return t.classList.remove(m.state.focus)};this.isRtl="rtl"===v(t).direction,this.isNegativeScroll=(n=t.scrollLeft,t.scrollLeft=-1,r=t.scrollLeft<0,t.scrollLeft=n,r),this.negativeScrollAdjustment=this.isNegativeScroll?t.scrollWidth-t.clientWidth:0,this.event=new p,this.ownerDocument=t.ownerDocument||document,this.scrollbarXRail=f(m.element.rail("x")),t.appendChild(this.scrollbarXRail),this.scrollbarX=f(m.element.thumb("x")),this.scrollbarXRail.appendChild(this.scrollbarX),this.scrollbarX.setAttribute("tabindex",0),this.event.bind(this.scrollbarX,"focus",o),this.event.bind(this.scrollbarX,"blur",s),this.scrollbarXActive=null,this.scrollbarXWidth=null,this.scrollbarXLeft=null;var a=v(this.scrollbarXRail);this.scrollbarXBottom=parseInt(a.bottom,10),isNaN(this.scrollbarXBottom)?(this.isScrollbarXUsingBottom=!1,this.scrollbarXTop=g(a.top)):this.isScrollbarXUsingBottom=!0,this.railBorderXWidth=g(a.borderLeftWidth)+g(a.borderRightWidth),d(this.scrollbarXRail,{display:"block"}),this.railXMarginWidth=g(a.marginLeft)+g(a.marginRight),d(this.scrollbarXRail,{display:""}),this.railXWidth=null,this.railXRatio=null,this.scrollbarYRail=f(m.element.rail("y")),t.appendChild(this.scrollbarYRail),this.scrollbarY=f(m.element.thumb("y")),this.scrollbarYRail.appendChild(this.scrollbarY),this.scrollbarY.setAttribute("tabindex",0),this.event.bind(this.scrollbarY,"focus",o),this.event.bind(this.scrollbarY,"blur",s),this.scrollbarYActive=null,this.scrollbarYHeight=null,this.scrollbarYTop=null;var c,h,u=v(this.scrollbarYRail);this.scrollbarYRight=parseInt(u.right,10),isNaN(this.scrollbarYRight)?(this.isScrollbarYUsingRight=!1,this.scrollbarYLeft=g(u.left)):this.isScrollbarYUsingRight=!0,this.scrollbarYOuterWidth=this.isRtl?(c=this.scrollbarY,g((h=v(c)).width)+g(h.paddingLeft)+g(h.paddingRight)+g(h.borderLeftWidth)+g(h.borderRightWidth)):null,this.railBorderYWidth=g(u.borderTopWidth)+g(u.borderBottomWidth),d(this.scrollbarYRail,{display:"block"}),this.railYMarginHeight=g(u.marginTop)+g(u.marginBottom),d(this.scrollbarYRail,{display:""}),this.railYHeight=null,this.railYRatio=null,this.reach={x:t.scrollLeft<=0?"start":t.scrollLeft>=this.contentWidth-this.containerWidth?"end":null,y:t.scrollTop<=0?"start":t.scrollTop>=this.contentHeight-this.containerHeight?"end":null},this.isAlive=!0,this.settings.handlers.forEach(function(t){return W[t](i)}),this.lastScrollTop=Math.floor(t.scrollTop),this.lastScrollLeft=t.scrollLeft,this.event.bind(this.element,"scroll",function(t){return i.onScroll(t)}),y(this)};return h.prototype.update=function(){this.isAlive&&(this.negativeScrollAdjustment=this.isNegativeScroll?this.element.scrollWidth-this.element.clientWidth:0,d(this.scrollbarXRail,{display:"block"}),d(this.scrollbarYRail,{display:"block"}),this.railXMarginWidth=g(v(this.scrollbarXRail).marginLeft)+g(v(this.scrollbarXRail).marginRight),this.railYMarginHeight=g(v(this.scrollbarYRail).marginTop)+g(v(this.scrollbarYRail).marginBottom),d(this.scrollbarXRail,{display:"none"}),d(this.scrollbarYRail,{display:"none"}),y(this),e(this,"top",0,!1,!0),e(this,"left",0,!1,!0),d(this.scrollbarXRail,{display:""}),d(this.scrollbarYRail,{display:""}))},h.prototype.onScroll=function(t){this.isAlive&&(y(this),e(this,"top",this.element.scrollTop-this.lastScrollTop),e(this,"left",this.element.scrollLeft-this.lastScrollLeft),this.lastScrollTop=Math.floor(this.element.scrollTop),this.lastScrollLeft=this.element.scrollLeft)},h.prototype.destroy=function(){this.isAlive&&(this.event.unbindAll(),r(this.scrollbarX),r(this.scrollbarY),r(this.scrollbarXRail),r(this.scrollbarYRail),this.removePsClasses(),this.element=null,this.scrollbarX=null,this.scrollbarY=null,this.scrollbarXRail=null,this.scrollbarYRail=null,this.isAlive=!1)},h.prototype.removePsClasses=function(){this.element.className=this.element.className.split(" ").filter(function(t){return!t.match(/^ps([-_].+|)$/)}).join(" ")},h});
    7.