http://farhanmajid.com/js/fastclick.min.js

1function FastClick(o,t){"use strict";var e;if(t=t||{},this.trackingClick=!1,this.trackingClickStart=0,this.targetElement=null,this.touchStartX=0,this.touchStartY=0,this.lastTouchIdentifier=0,this.touchBoundary=t.touchBoundary||10,this.layer=o,this.tapDelay=t.tapDelay||200,!FastClick.notNeeded(o)){for(var i=["onMouse","onClick","onTouchStart","onTouchMove","onTouchEnd","onTouchCancel"],n=this,r=0,s=i.length;r<s;r++)n[i[r]]=function(t,e){return function(){return t.apply(e,arguments)}}(n[i[r]],n);deviceIsAndroid&&(o.addEventListener("mouseover",this.onMouse,!0),o.addEventListener("mousedown",this.onMouse,!0),o.addEventListener("mouseup",this.onMouse,!0)),o.addEventListener("click",this.onClick,!0),o.addEventListener("touchstart",this.onTouchStart,!1),o.addEventListener("touchmove",this.onTouchMove,!1),o.addEventListener("touchend",this.onTouchEnd,!1),o.addEventListener("touchcancel",this.onTouchCancel,!1),Event.prototype.stopImmediatePropagation||(o.removeEventListener=function(t,e,i){var n=Node.prototype.removeEventListener;"click"===t?n.call(o,t,e.hijacked||e,i):n.call(o,t,e,i)},o.addEventListener=function(t,e,i){var n=Node.prototype.addEventListener;"click"===t?n.call(o,t,e.hijacked||(e.hijacked=function(t){t.propagationStopped||e(t)}),i):n.call(o,t,e,i)}),"function"==typeof o.onclick&&(e=o.onclick,o.addEventListener("click",function(t){e(t)},!1),o.onclick=null)}}var deviceIsAndroid=0<navigator.userAgent.indexOf("Android"),deviceIsIOS=/iP(ad|hone|od)/.test(navigator.userAgent),deviceIsIOS4=deviceIsIOS&&/OS 4_\d(_\d)?/.test(navigator.userAgent),deviceIsIOSWithBadTarget=deviceIsIOS&&/OS ([6-9]|\d{2})_\d/.test(navigator.userAgent),deviceIsBlackBerry10=0<navigator.userAgent.indexOf("BB10");FastClick.prototype.needsClick=function(t){"use strict";switch(t.nodeName.toLowerCase()){case"button":case"select":case"textarea":if(t.disabled)return!0;break;case"input":if(deviceIsIOS&&"file"===t.type||t.disabled)return!0;break;case"label":case"video":return!0}return/\bneedsclick\b/.test(t.className)},FastClick.prototype.needsFocus=function(t){"use strict";switch(t.nodeName.toLowerCase()){case"textarea":return!0;case"select":return!deviceIsAndroid;case"input":switch(t.type){case"button":case"checkbox":case"file":case"image":case"radio":case"submit":return!1}return!t.disabled&&!t.readOnly;default:return/\bneedsfocus\b/.test(t.className)}},FastClick.prototype.sendClick=function(t,e){"use strict";var i;document.activeElement&&document.activeElement!==t&&document.activeElement.blur(),i=e.changedTouches[0],(e=document.createEvent("MouseEvents")).initMouseEvent(this.determineEventType(t),!0,!0,window,1,i.screenX,i.screenY,i.clientX,i.clientY,!1,!1,!1,!1,0,null),e.forwardedTouchEvent=!0,t.dispatchEvent(e)},FastClick.prototype.determineEventType=function(t){"use strict";return deviceIsAndroid&&"select"===t.tagName.toLowerCase()?"mousedown":"click"},FastClick.prototype.focus=function(t){"use strict";var e;deviceIsIOS&&t.setSelectionRange&&0!==t.type.indexOf("date")&&"time"!==t.type?(e=t.value.length,t.setSelectionRange(e,e)):t.focus()},FastClick.prototype.updateScrollParent=function(t){"use strict";var e,i=t.fastClickScrollParent;if(!i||!i.contains(t)){e=t;do{if(e.scrollHeight>e.offsetHeight){i=e,t.fastClickScrollParent=e;break}}while(e=e.parentElement)}i&&(i.fastClickLastScrollTop=i.scrollTop)},FastClick.prototype.getTargetElementFromEventTarget=function(t){"use strict";return t.nodeType===Node.TEXT_NODE?t.parentNode:t},FastClick.prototype.onTouchStart=function(t){"use strict";var e,i,n;if(1<t.targetTouches.length)return!0;if(e=this.getTargetElementFromEventTarget(t.target),i=t.targetTouches[0],deviceIsIOS){if((n=window.getSelection()).rangeCount&&!n.isCollapsed)return!0;if(!deviceIsIOS4){if(i.identifier===this.lastTouchIdentifier)return t.preventDefault(),!1;this.lastTouchIdentifier=i.identifier,this.updateScrollParent(e)}}return this.trackingClick=!0,this.trackingClickStart=t.timeStamp,this.targetElement=e,this.touchStartX=i.pageX,this.touchStartY=i.pageY,t.timeStamp-this.lastClickTime<this.tapDelay&&t.preventDefault(),!0},FastClick.prototype.touchHasMoved=function(t){"use strict";var e=t.changedTouches[0],t=this.touchBoundary;return Math.abs(e.pageX-this.touchStartX)>t||Math.abs(e.pageY-this.touchStartY)>t},FastClick.prototype.onTouchMove=function(t){"use strict";return this.trackingClick&&(this.targetElement===this.getTargetElementFromEventTarget(t.target)&&!this.touchHasMoved(t)||(this.trackingClick=!1,this.targetElement=null)),!0},FastClick.prototype.findControl=function(t){"use strict";return void 0!==t.control?t.control:t.htmlFor?document.getElementById(t.htmlFor):t.querySelector("button, input

1:not([type=hidden]), keygen, meter, output, progress, select, textarea")},FastClick.prototype.onTouchEnd=function(t){"use strict";var e,i,n,o,r=this.targetElement;if(!this.trackingClick)return!0;if(t.timeStamp-this.lastClickTime<this.tapDelay)return this.cancelNextClick=!0;if(this.cancelNextClick=!1,this.lastClickTime=t.timeStamp,e=this.trackingClickStart,this.trackingClick=!1,this.trackingClickStart=0,deviceIsIOSWithBadTarget&&(o=t.changedTouches[0],(r=document.elementFromPoint(o.pageX-window.pageXOffset,o.pageY-window.pageYOffset)||r).fastClickScrollParent=this.targetElement.fastClickScrollParent),"label"===(i=r.tagName.toLowerCase())){if(o=this.findControl(r)){if(this.focus(r),deviceIsAndroid)return!1;r=o}}else if(this.needsFocus(r))return 100<t.timeStamp-e||deviceIsIOS&&window.top!==window&&"input"===i?this.targetElement=null:(this.focus(r),this.sendClick(r,t),deviceIsIOS&&"select"===i||(this.targetElement=null,t.preventDefault())),!1;return!(!deviceIsIOS||deviceIsIOS4||!(n=r.fastClickScrollParent)||n.fastClickLastScrollTop===n.scrollTop)||(this.needsClick(r)||(t.preventDefault(),this.sendClick(r,t)),!1)},FastClick.prototype.onTouchCancel=function(){"use strict";this.trackingClick=!1,this.targetElement=null},FastClick.prototype.onMouse=function(t){"use strict";return!this.targetElement||(!!t.forwardedTouchEvent||(!t.cancelable||(!(!this.needsClick(this.targetElement)||this.cancelNextClick)||(t.stopImmediatePropagation?t.stopImmediatePropagation():t.propagationStopped=!0,t.stopPropagation(),t.preventDefault(),!1))))},FastClick.prototype.onClick=function(t){"use strict";return this.trackingClick?(this.targetElement=null,!(this.trackingClick=!1)):"submit"===t.target.type&&0===t.detail||((t=this.onMouse(t))||(this.targetElement=null),t)},FastClick.prototype.destroy=function(){"use strict";var t=this.layer;deviceIsAndroid&&(t.removeEventListener("mouseover",this.onMouse,!0),t.removeEventListener("mousedown",this.onMouse,!0),t.removeEventListener("mouseup",this.onMouse,!0)),t.removeEventListener("click",this.onClick,!0),t.removeEventListener("touchstart",this.onTouchStart,!1),t.removeEventListener("touchmove",this.onTouchMove,!1),t.removeEventListener("touchend",this.onTouchEnd,!1),t.removeEventListener("touchcancel",this.onTouchCancel,!1)},FastClick.notNeeded=function(t){"use strict";var e,i,n;if(void 0===window.ontouchstart)return!0;if(i=+(/Chrome\/([0-9]+)/.exec(navigator.userAgent)||[,0])[1]){if(!deviceIsAndroid)return!0;if(e=document.querySelector("meta[name=viewport]")){if(-1!==e.content.indexOf("user-scalable=no"))return!0;if(31<i&&document.documentElement.scrollWidth<=window.outerWidth)return!0}}if(deviceIsBlackBerry10&&10<=(n=navigator.userAgent.match(/Version\/([0-9]*)\.([0-9]*)/))[1]&&3<=n[2]&&(e=document.querySelector("meta[name=viewport]"))){if(-1!==e.content.indexOf("user-scalable=no"))return!0;if(document.documentElement.scrollWidth<=window.outerWidth)return!0}return"none"===t.style.msTouchAction},FastClick.attach=function(t,e){"use strict";return new FastClick(t,e)},"function"==typeof define&&"object"==typeof define.amd&&define.amd?define(function(){"use strict";return FastClick}):"undefined"!=typeof module&&module.exports?(module.exports=FastClick.attach,module.exports.FastClick=FastClick):window.FastClick=FastClick;