before-after.min.js

!function(a){function b(b,c,d){b.on("mousedown.ba-events touchstart.ba-events",function(e){b.addClass("ba-draggable"),c.addClass("ba-resizable");var f=e.pageX?e.pageX:e.originalEvent.touches[0].pageX,g=b.outerWidth(),h=b.offset().left+g-f,i=d.offset().left,j=d.outerWidth();minLeft=i+10,maxLeft=i+j-g-10,b.parents().on("mousemove.ba-events touchmove.ba-events",function(b){var c=b.pageX?b.pageX:b.originalEvent.touches[0].pageX;leftValue=c+h-g,leftValue<minLeft?leftValue=minLeft:leftValue>maxLeft&&(leftValue=maxLeft),widthValue=100*(leftValue+g/2-i)/j+"%",a(".ba-draggable").css("left",widthValue),a(".ba-resizable").css("width",widthValue)}).on("mouseup.ba-events touchend.ba-events touchcancel.ba-events",function(){b.removeClass("ba-draggable"),c.removeClass("ba-resizable"),a(this).off(".ba-events")}),e.preventDefault()})}a.fn.beforeAfter=function(){var c=this,d=c.width()+"px";c.find(".resize img").css("width",d),b(c.find(".handle"),c.find(".resize"),c),a(window).resize(function(){var a=c.width()+"px";c.find(".resize img").css("width",a)});return this}}(jQuery);