a";
// IE strips leading whitespace when .innerHTML is used
support.leadingWhitespace = div.firstChild.nodeType === 3;
// Make sure that tbody elements aren't automatically inserted
// IE will insert them into empty tables
support.tbody = !div.getElementsByTagName("tbody").length;
// Make sure that link elements get serialized correctly by innerHTML
// This requires a wrapper element in IE
support.htmlSerialize = !!div.getElementsByTagName("link").length;
// Makes sure cloning an html5 element does not cause problems
// Where outerHTML is undefined, this still works
support.html5Clone =
document.createElement("nav").cloneNode(true).outerHTML !== "<:nav>";
// Check if a disconnected checkbox will retain its checked
// value of true after appended to the DOM (IE6/7)
input.type = "checkbox";
input.checked = true;
fragment.appendChild(input);
support.appendChecked = input.checked;
// Make sure textarea (and checkbox) defaultValue is properly cloned
// Support: IE6-IE11+
div.innerHTML = "";
support.noCloneChecked = !!div.cloneNode(true).lastChild.defaultValue;
// #11217 - WebKit loses check when the name is after the checked attribute
fragment.appendChild(div);
// Support: Windows Web Apps (WWA)
// `name` and `type` must use .setAttribute for WWA (#14901)
input = document.createElement("input");
input.setAttribute("type", "radio");
input.setAttribute("checked", "checked");
input.setAttribute("name", "t");
div.appendChild(input);
// Support: Safari 5.1, iOS 5.1, Android 4.x, Android 2.3
// old WebKit doesn't clone checked state correctly in fragments
support.checkClone = div.cloneNode(true).cloneNode(true).lastChild.checked;
// Support: IE<9
// Cloned elements keep attachEvent handlers, we use addEventListener on IE9+
support.noCloneEvent = !!div.addEventListener;
// Support: IE<9
// Since attributes and properties are the same in IE,
// cleanData must set properties to undefined rather than use removeAttribute
div[jQuery.expando] = 1;
support.attributes = !div.getAttribute(jQuery.expando);
})();
// We have to close these tags to support XHTML (#13200)
var wrapMap = {
option: [1, ""],
legend: [1, ""],
area: [1, ""],
// Support: IE8
param: [1, ""],
thead: [1, "
", "
"],
tr: [2, "
", "
"],
col: [2, "
", "
"],
td: [3, "
", "
"],
// IE6-8 can't serialize link, script, style, or any html5 (NoScope) tags,
// unless wrapped in a div with non-breaking characters in front of it.
_default: support.htmlSerialize ? [0, "", ""] : [1, "X
", "
"]
};
// Support: IE8-IE9
wrapMap.optgroup = wrapMap.option;
wrapMap.tbody = wrapMap.tfoot = wrapMap.colgroup = wrapMap.caption = wrapMap.thead;
wrapMap.th = wrapMap.td;
function getAll(context, tag) {
var elems, elem,
i = 0,
found = typeof context.getElementsByTagName !== "undefined" ?
context.getElementsByTagName(tag || "*") :
typeof context.querySelectorAll !== "undefined" ?
context.querySelectorAll(tag || "*") :
undefined;
if (!found) {
for (found = [], elems = context.childNodes || context;
(elem = elems[i]) != null;
i++
) {
if (!tag || jQuery.nodeName(elem, tag)) {
found.push(elem);
} else {
jQuery.merge(found, getAll(elem, tag));
}
}
}
return tag === undefined || tag && jQuery.nodeName(context, tag) ?
jQuery.merge([context], found) :
found;
}
// Mark scripts as having already been evaluated
function setGlobalEval(elems, refElements) {
var elem,
i = 0;
for (; (elem = elems[i]) != null; i++) {
jQuery._data(
elem,
"globalEval",
!refElements || jQuery._data(refElements[i], "globalEval")
);
}
}
var rhtml = /<|&#?\w+;/,
rtbody = / from table fragments
if (!support.tbody) {
// String was a
, *may* have spurious
elem = tag === "table" && !rtbody.test(elem) ?
tmp.firstChild :
// String was a bare or
wrap[1] === "
" && !rtbody.test(elem) ?
tmp :
0;
j = elem && elem.childNodes.length;
while (j--) {
if (jQuery.nodeName((tbody = elem.childNodes[j]), "tbody") &&
!tbody.childNodes.length) {
elem.removeChild(tbody);
}
}
}
jQuery.merge(nodes, tmp.childNodes);
// Fix #12392 for WebKit and IE > 9
tmp.textContent = "";
// Fix #12392 for oldIE
while (tmp.firstChild) {
tmp.removeChild(tmp.firstChild);
}
// Remember the top-level container for proper cleanup
tmp = safe.lastChild;
}
}
}
// Fix #11356: Clear elements from fragment
if (tmp) {
safe.removeChild(tmp);
}
// Reset defaultChecked for any radios and checkboxes
// about to be appended to the DOM in IE 6/7 (#8060)
if (!support.appendChecked) {
jQuery.grep(getAll(nodes, "input"), fixDefaultChecked);
}
i = 0;
while ((elem = nodes[i++])) {
// Skip elements already in the context collection (trac-4087)
if (selection && jQuery.inArray(elem, selection) > -1) {
if (ignored) {
ignored.push(elem);
}
continue;
}
contains = jQuery.contains(elem.ownerDocument, elem);
// Append to fragment
tmp = getAll(safe.appendChild(elem), "script");
// Preserve script evaluation history
if (contains) {
setGlobalEval(tmp);
}
// Capture executables
if (scripts) {
j = 0;
while ((elem = tmp[j++])) {
if (rscriptType.test(elem.type || "")) {
scripts.push(elem);
}
}
}
}
tmp = null;
return safe;
}
(function () {
var i, eventName,
div = document.createElement("div");
// Support: IE<9 (lack submit/change bubble), Firefox (lack focus(in | out) events)
for (i in { submit: true, change: true, focusin: true }) {
eventName = "on" + i;
if (!(support[i] = eventName in window)) {
// Beware of CSP restrictions (https://developer.mozilla.org/en/Security/CSP)
div.setAttribute(eventName, "t");
support[i] = div.attributes[eventName].expando === false;
}
}
// Null elements to avoid leaks in IE.
div = null;
})();
var rformElems = /^(?:input|select|textarea)$/i,
rkeyEvent = /^key/,
rmouseEvent = /^(?:mouse|pointer|contextmenu|drag|drop)|click/,
rfocusMorph = /^(?:focusinfocus|focusoutblur)$/,
rtypenamespace = /^([^.]*)(?:\.(.+)|)/;
function returnTrue() {
return true;
}
function returnFalse() {
return false;
}
// Support: IE9
// See #13393 for more info
function safeActiveElement() {
try {
return document.activeElement;
} catch (err) { }
}
function on(elem, types, selector, data, fn, one) {
var origFn, type;
// Types can be a map of types/handlers
if (typeof types === "object") {
// ( types-Object, selector, data )
if (typeof selector !== "string") {
// ( types-Object, data )
data = data || selector;
selector = undefined;
}
for (type in types) {
on(elem, type, selector, data, types[type], one);
}
return elem;
}
if (data == null && fn == null) {
// ( types, fn )
fn = selector;
data = selector = undefined;
} else if (fn == null) {
if (typeof selector === "string") {
// ( types, selector, fn )
fn = data;
data = undefined;
} else {
// ( types, data, fn )
fn = data;
data = selector;
selector = undefined;
}
}
if (fn === false) {
fn = returnFalse;
} else if (!fn) {
return elem;
}
if (one === 1) {
origFn = fn;
fn = function (event) {
// Can use an empty set, since event contains the info
jQuery().off(event);
return origFn.apply(this, arguments);
};
// Use same guid so caller can remove using origFn
fn.guid = origFn.guid || (origFn.guid = jQuery.guid++);
}
return elem.each(function () {
jQuery.event.add(this, types, fn, data, selector);
});
}
/*
* Helper functions for managing events -- not part of the public interface.
* Props to Dean Edwards' addEvent library for many of the ideas.
*/
jQuery.event = {
global: {},
add: function (elem, types, handler, data, selector) {
var tmp, events, t, handleObjIn,
special, eventHandle, handleObj,
handlers, type, namespaces, origType,
elemData = jQuery._data(elem);
// Don't attach events to noData or text/comment nodes (but allow plain objects)
if (!elemData) {
return;
}
// Caller can pass in an object of custom data in lieu of the handler
if (handler.handler) {
handleObjIn = handler;
handler = handleObjIn.handler;
selector = handleObjIn.selector;
}
// Make sure that the handler has a unique ID, used to find/remove it later
if (!handler.guid) {
handler.guid = jQuery.guid++;
}
// Init the element's event structure and main handler, if this is the first
if (!(events = elemData.events)) {
events = elemData.events = {};
}
if (!(eventHandle = elemData.handle)) {
eventHandle = elemData.handle = function (e) {
// Discard the second event of a jQuery.event.trigger() and
// when an event is called after a page has unloaded
return typeof jQuery !== "undefined" &&
(!e || jQuery.event.triggered !== e.type) ?
jQuery.event.dispatch.apply(eventHandle.elem, arguments) :
undefined;
};
// Add elem as a property of the handle fn to prevent a memory leak
// with IE non-native events
eventHandle.elem = elem;
}
// Handle multiple events separated by a space
types = (types || "").match(rnotwhite) || [""];
t = types.length;
while (t--) {
tmp = rtypenamespace.exec(types[t]) || [];
type = origType = tmp[1];
namespaces = (tmp[2] || "").split(".").sort();
// There *must* be a type, no attaching namespace-only handlers
if (!type) {
continue;
}
// If event changes its type, use the special event handlers for the changed type
special = jQuery.event.special[type] || {};
// If selector defined, determine special event api type, otherwise given type
type = (selector ? special.delegateType : special.bindType) || type;
// Update special based on newly reset type
special = jQuery.event.special[type] || {};
// handleObj is passed to all event handlers
handleObj = jQuery.extend({
type: type,
origType: origType,
data: data,
handler: handler,
guid: handler.guid,
selector: selector,
needsContext: selector && jQuery.expr.match.needsContext.test(selector),
namespace: namespaces.join(".")
}, handleObjIn);
// Init the event handler queue if we're the first
if (!(handlers = events[type])) {
handlers = events[type] = [];
handlers.delegateCount = 0;
// Only use addEventListener/attachEvent if the special events handler returns false
if (!special.setup ||
special.setup.call(elem, data, namespaces, eventHandle) === false) {
// Bind the global event handler to the element
if (elem.addEventListener) {
elem.addEventListener(type, eventHandle, false);
} else if (elem.attachEvent) {
elem.attachEvent("on" + type, eventHandle);
}
}
}
if (special.add) {
special.add.call(elem, handleObj);
if (!handleObj.handler.guid) {
handleObj.handler.guid = handler.guid;
}
}
// Add to the element's handler list, delegates in front
if (selector) {
handlers.splice(handlers.delegateCount++, 0, handleObj);
} else {
handlers.push(handleObj);
}
// Keep track of which events have ever been used, for event optimization
jQuery.event.global[type] = true;
}
// Nullify elem to prevent memory leaks in IE
elem = null;
},
// Detach an event or set of events from an element
remove: function (elem, types, handler, selector, mappedTypes) {
var j, handleObj, tmp,
origCount, t, events,
special, handlers, type,
namespaces, origType,
elemData = jQuery.hasData(elem) && jQuery._data(elem);
if (!elemData || !(events = elemData.events)) {
return;
}
// Once for each type.namespace in types; type may be omitted
types = (types || "").match(rnotwhite) || [""];
t = types.length;
while (t--) {
tmp = rtypenamespace.exec(types[t]) || [];
type = origType = tmp[1];
namespaces = (tmp[2] || "").split(".").sort();
// Unbind all events (on this namespace, if provided) for the element
if (!type) {
for (type in events) {
jQuery.event.remove(elem, type + types[t], handler, selector, true);
}
continue;
}
special = jQuery.event.special[type] || {};
type = (selector ? special.delegateType : special.bindType) || type;
handlers = events[type] || [];
tmp = tmp[2] &&
new RegExp("(^|\\.)" + namespaces.join("\\.(?:.*\\.|)") + "(\\.|$)");
// Remove matching events
origCount = j = handlers.length;
while (j--) {
handleObj = handlers[j];
if ((mappedTypes || origType === handleObj.origType) &&
(!handler || handler.guid === handleObj.guid) &&
(!tmp || tmp.test(handleObj.namespace)) &&
(!selector || selector === handleObj.selector ||
selector === "**" && handleObj.selector)) {
handlers.splice(j, 1);
if (handleObj.selector) {
handlers.delegateCount--;
}
if (special.remove) {
special.remove.call(elem, handleObj);
}
}
}
// Remove generic event handler if we removed something and no more handlers exist
// (avoids potential for endless recursion during removal of special event handlers)
if (origCount && !handlers.length) {
if (!special.teardown ||
special.teardown.call(elem, namespaces, elemData.handle) === false) {
jQuery.removeEvent(elem, type, elemData.handle);
}
delete events[type];
}
}
// Remove the expando if it's no longer used
if (jQuery.isEmptyObject(events)) {
delete elemData.handle;
// removeData also checks for emptiness and clears the expando if empty
// so use it instead of delete
jQuery._removeData(elem, "events");
}
},
trigger: function (event, data, elem, onlyHandlers) {
var handle, ontype, cur,
bubbleType, special, tmp, i,
eventPath = [elem || document],
type = hasOwn.call(event, "type") ? event.type : event,
namespaces = hasOwn.call(event, "namespace") ? event.namespace.split(".") : [];
cur = tmp = elem = elem || document;
// Don't do events on text and comment nodes
if (elem.nodeType === 3 || elem.nodeType === 8) {
return;
}
// focus/blur morphs to focusin/out; ensure we're not firing them right now
if (rfocusMorph.test(type + jQuery.event.triggered)) {
return;
}
if (type.indexOf(".") > -1) {
// Namespaced trigger; create a regexp to match event type in handle()
namespaces = type.split(".");
type = namespaces.shift();
namespaces.sort();
}
ontype = type.indexOf(":") < 0 && "on" + type;
// Caller can pass in a jQuery.Event object, Object, or just an event type string
event = event[jQuery.expando] ?
event :
new jQuery.Event(type, typeof event === "object" && event);
// Trigger bitmask: & 1 for native handlers; & 2 for jQuery (always true)
event.isTrigger = onlyHandlers ? 2 : 3;
event.namespace = namespaces.join(".");
event.rnamespace = event.namespace ?
new RegExp("(^|\\.)" + namespaces.join("\\.(?:.*\\.|)") + "(\\.|$)") :
null;
// Clean up the event in case it is being reused
event.result = undefined;
if (!event.target) {
event.target = elem;
}
// Clone any incoming data and prepend the event, creating the handler arg list
data = data == null ?
[event] :
jQuery.makeArray(data, [event]);
// Allow special events to draw outside the lines
special = jQuery.event.special[type] || {};
if (!onlyHandlers && special.trigger && special.trigger.apply(elem, data) === false) {
return;
}
// Determine event propagation path in advance, per W3C events spec (#9951)
// Bubble up to document, then to window; watch for a global ownerDocument var (#9724)
if (!onlyHandlers && !special.noBubble && !jQuery.isWindow(elem)) {
bubbleType = special.delegateType || type;
if (!rfocusMorph.test(bubbleType + type)) {
cur = cur.parentNode;
}
for (; cur; cur = cur.parentNode) {
eventPath.push(cur);
tmp = cur;
}
// Only add window if we got to document (e.g., not plain obj or detached DOM)
if (tmp === (elem.ownerDocument || document)) {
eventPath.push(tmp.defaultView || tmp.parentWindow || window);
}
}
// Fire handlers on the event path
i = 0;
while ((cur = eventPath[i++]) && !event.isPropagationStopped()) {
event.type = i > 1 ?
bubbleType :
special.bindType || type;
// jQuery handler
handle = (jQuery._data(cur, "events") || {})[event.type] &&
jQuery._data(cur, "handle");
if (handle) {
handle.apply(cur, data);
}
// Native handler
handle = ontype && cur[ontype];
if (handle && handle.apply && acceptData(cur)) {
event.result = handle.apply(cur, data);
if (event.result === false) {
event.preventDefault();
}
}
}
event.type = type;
// If nobody prevented the default action, do it now
if (!onlyHandlers && !event.isDefaultPrevented()) {
if (
(!special._default ||
special._default.apply(eventPath.pop(), data) === false
) && acceptData(elem)
) {
// Call a native DOM method on the target with the same name name as the event.
// Can't use an .isFunction() check here because IE6/7 fails that test.
// Don't do default actions on window, that's where global variables be (#6170)
if (ontype && elem[type] && !jQuery.isWindow(elem)) {
// Don't re-trigger an onFOO event when we call its FOO() method
tmp = elem[ontype];
if (tmp) {
elem[ontype] = null;
}
// Prevent re-triggering of the same event, since we already bubbled it above
jQuery.event.triggered = type;
try {
elem[type]();
} catch (e) {
// IE<9 dies on focus/blur to hidden element (#1486,#12518)
// only reproducible on winXP IE8 native, not IE9 in IE8 mode
}
jQuery.event.triggered = undefined;
if (tmp) {
elem[ontype] = tmp;
}
}
}
}
return event.result;
},
dispatch: function (event) {
// Make a writable jQuery.Event from the native event object
event = jQuery.event.fix(event);
var i, j, ret, matched, handleObj,
handlerQueue = [],
args = slice.call(arguments),
handlers = (jQuery._data(this, "events") || {})[event.type] || [],
special = jQuery.event.special[event.type] || {};
// Use the fix-ed jQuery.Event rather than the (read-only) native event
args[0] = event;
event.delegateTarget = this;
// Call the preDispatch hook for the mapped type, and let it bail if desired
if (special.preDispatch && special.preDispatch.call(this, event) === false) {
return;
}
// Determine handlers
handlerQueue = jQuery.event.handlers.call(this, event, handlers);
// Run delegates first; they may want to stop propagation beneath us
i = 0;
while ((matched = handlerQueue[i++]) && !event.isPropagationStopped()) {
event.currentTarget = matched.elem;
j = 0;
while ((handleObj = matched.handlers[j++]) &&
!event.isImmediatePropagationStopped()) {
// Triggered event must either 1) have no namespace, or 2) have namespace(s)
// a subset or equal to those in the bound event (both can have no namespace).
if (!event.rnamespace || event.rnamespace.test(handleObj.namespace)) {
event.handleObj = handleObj;
event.data = handleObj.data;
ret = ((jQuery.event.special[handleObj.origType] || {}).handle ||
handleObj.handler).apply(matched.elem, args);
if (ret !== undefined) {
if ((event.result = ret) === false) {
event.preventDefault();
event.stopPropagation();
}
}
}
}
}
// Call the postDispatch hook for the mapped type
if (special.postDispatch) {
special.postDispatch.call(this, event);
}
return event.result;
},
handlers: function (event, handlers) {
var i, matches, sel, handleObj,
handlerQueue = [],
delegateCount = handlers.delegateCount,
cur = event.target;
// Support (at least): Chrome, IE9
// Find delegate handlers
// Black-hole SVG