https://meetup-buch.de/assets/jarallax/jarallax.js

1/*!
2 * Name    : Just Another Parallax [Jarallax]
3 * Version : 1.10.6
4 * Author  : nK <https://nkdev.info>
5 * GitHub  : https://github.com/nk-o/jarallax
6 */
7/******/
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18var b=this;b.instanceID=H++;b.$item=l;b.defaults={type:"scroll",speed:.5,imgSrc:null,imgElement:".jarallax-img",imgSize:"cover",imgPosition:"50% 50%",imgRepeat:"no-repeat",keepImg:!1,elementInViewport:null,zIndex:-100,disableParallax:!1,disableVideo:!1,automaticResize:!0,videoSrc:null,videoStartTime:0,videoEndTime:0,videoVolume:0,videoPlayOnlyVisible:!0,onScroll:null,onInit:null,onDestroy:null,onCoverImage:null};var h=b.$item.getAttribute("data-jarallax"),d=JSON.parse(h||"{}");h&&console.warn("Detected usage of deprecated data-jarallax JSON options, you should use pure data-attribute options. See info here - https://github.com/nk-o/jarallax/issues/53");
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26G&&this.css(this.image.$container,{opacity:.9999});this.image.$container.setAttribute("id","jarallax-container-"+this.instanceID);this.$item.appendChild(this.image.$container);this.image.useImgTag?e=this.extend({"object-fit":this.options.imgSize,"object-position":this.options.imgPosition,"font-family":"object-fit: "+this.options.imgSize+"; object-position: "+this.options.imgPosition+";","max-width":"none"},a,e):(this.image.$item=document.createElement("div"),this.image.src&&(e=this.extend({"background-position":this.options.imgPosition,
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27h&&"none"!==h&&(a=1,this.image.position=
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29value:function(){var a=this;r.forEach(function(e,b){e.instanceID===a.instanceID&&r.splice(b,1)})}},{key:"destroy",value:function(){this.removeFromParallaxList();var a=this.$item.getAttribute("data-jarallax-original-styles");this.$item.removeAttribute("data-jarallax-original-styles");a?this.$item.setAttribute("style",a):this.$item.removeAttribute("style");if(this.image.useImgTag){var e=this.image.$item.getAttribute("data-jarallax-original-styles");this.image.$item.removeAttribute("data-jarallax-original-styles");
30e?this.image.$item.setAttribute("style",a):this.image.$item.removeAttribute("style");this.image.$itemParent&&this.image.$itemParent.appendChild(this.image.$item)}this.$clipStyles&&this.$clipStyles.parentNode.removeChild(this.$clipStyles);this.image.$container&&this.image.$container.parentNode.removeChild(this.image.$container);this.options.onDestroy&&this.options.onDestroy.call(this);delete this.$item.jarallax}},{key:"clipContainer",value:function(){if("fixed"===this.image.position){var a=this.image.$container.getBoundingClientRect(),
31e=a.width,a=a.height;this.$clipStyles||(this.$clipStyles=document.createElement("style"),this.$clipStyles.setAttribute("type","text/css"),this.$clipStyles.setAttribute("id","jarallax-clip-"+this.instanceID),(document.head||document.getElementsByTagName("head")[0]).appendChild(this.$clipStyles));e="#jarallax-container-"+this.instanceID+" {\n           clip: rect(0 "+e+"px "+a+"px 0);\n           clip: rect(0, "+e+"px, "+a+"px, 0);\n        }";this.$clipStyles.styleSheet?this.$clipStyles.styleSheet.cssText=
32e:this.$clipStyles.innerHTML=e}}},{key:"coverImage",value:function(){var a=this.image.$container.getBoundingClientRect(),e=a.height,b=this.options.speed,h="scroll"===this.options.type||"scroll-opacity"===this.options.type,c=0,d=e,f=0;h&&(0>b?(c=b*Math.max(e,k),k<e&&(c-=b*(e-k))):c=b*(e+k),d=1<b?Math.abs(c-k):0>b?c/b+Math.abs(c):d+(k-e)*(1-b),c/=2);this.parallaxScrollDistance=c;f=h?(k-d)/2:(e-d)/2;this.css(this.image.$item,{height:d+"px",marginTop:f+"px",left:"fixed"===this.image.position?a.left+"px":
33"0",width:a.width+"px"});this.options.onCoverImage&&this.options.onCoverImage.call(this);return{image:{height:d,marginTop:f},container:a}}},{key:"isVisible",value:function(){return this.isElementInViewport||!1}},{key:"onScroll",value:function(a){var e=this.$item.getBoundingClientRect(),b=e.top,c=e.height,d={},f=e;this.options.elementInViewport&&(f=this.options.elementInViewport.getBoundingClientRect());this.isElementInViewport=0<=f.bottom&&0<=f.right&&f.top<=k&&f.left<=v;if(a||this.isElementInViewport){a=
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35c+") translate3d(0,0,0)";if("scroll"===this.options.type||"scroll-opacity"===this.options.type)c=this.parallaxScrollDistance*q,"absolute"===this.image.position&&(c-=b),d.transform="translate3d(0,"+c+"px,0)";this.css(this.image.$item,d);this.options.onScroll&&this.options.onScroll.call(this,{section:e,beforeTop:a,beforeTopEnd:f,afterTop:g,beforeBottom:C,beforeBottomEnd:n,afterBottom:p,visiblePercent:m,fromViewportCenter:q})}}},{key:"onResize",value:function(){this.coverImage();this.clipContainer()}}]);
36return a}();

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