" ? wrapper.lastChild.firstChild : wrapper.lastChild
if (target && target.tagName === "TABLE" && tag !== "tbody") {
//IE6-7处理
--> ,
// --> ,
// -->
for (els = target.childNodes, i = 0; el = els[i++]; ) {
if (el.tagName === "TBODY" && !el.innerHTML) {
target.removeChild(el)
break
}
}
}
els = wrapper.getElementsByTagName("br")
var n = els.length
while (el = els[--n]) {
if (el.className === "msNoScope") {
el.parentNode.removeChild(el)
}
}
for (els = wrapper.all, i = 0; el = els[i++]; ) { //fix VML
if (isVML(el)) {
fixVML(el)
}
}
}
//移除我们为了符合套嵌关系而添加的标签
for (i = wrap[0]; i--; wrapper = wrapper.lastChild) {
}
while (firstChild = wrapper.firstChild) { // 将wrapper上的节点转移到文档碎片上!
fragment.appendChild(firstChild)
}
return fragment
}
function isVML(src) {
var nodeName = src.nodeName
return nodeName.toLowerCase() === nodeName && src.scopeName && src.outerText === ""
}
function fixVML(node) {
if (node.currentStyle.behavior !== "url(#default#VML)") {
node.style.behavior = "url(#default#VML)"
node.style.display = "inline-block"
node.style.zoom = 1 //hasLayout
}
}
avalon.innerHTML = function (node, html) {
if (!W3C && (!rcreate.test(html) && !rnest.test(html))) {
try {
node.innerHTML = html
return
} catch (e) {
}
}
var a = this.parseHTML(html)
this.clearHTML(node).appendChild(a)
}
avalon.clearHTML = function (node) {
node.textContent = ""
while (node.firstChild) {
node.removeChild(node.firstChild)
}
return node
}
/*********************************************************************
* avalon的原型方法定义区 *
**********************************************************************/
function hyphen(target) {
//转换为连字符线风格
return target.replace(/([a-z\d])([A-Z]+)/g, "$1-$2").toLowerCase()
}
function camelize(target) {
//提前判断,提高getStyle等的效率
if (!target || target.indexOf("-") < 0 && target.indexOf("_") < 0) {
return target
}
//转换为驼峰风格
return target.replace(/[-_][^-_]/g, function (match) {
return match.charAt(1).toUpperCase()
})
}
var fakeClassListMethods = {
_toString: function () {
var node = this.node
var cls = node.className
var str = typeof cls === "string" ? cls : cls.baseVal
return str.split(/\s+/).join(" ")
},
_contains: function (cls) {
return (" " + this + " ").indexOf(" " + cls + " ") > -1
},
_add: function (cls) {
if (!this.contains(cls)) {
this._set(this + " " + cls)
}
},
_remove: function (cls) {
this._set((" " + this + " ").replace(" " + cls + " ", " "))
},
__set: function (cls) {
cls = cls.trim()
var node = this.node
if (rsvg.test(node)) {
//SVG元素的className是一个对象 SVGAnimatedString { baseVal="", animVal=""},只能通过set/getAttribute操作
node.setAttribute("class", cls)
} else {
node.className = cls
}
} //toggle存在版本差异,因此不使用它
}
function fakeClassList(node) {
if (!("classList" in node)) {
node.classList = {
node: node
}
for (var k in fakeClassListMethods) {
node.classList[k.slice(1)] = fakeClassListMethods[k]
}
}
return node.classList
}
"add,remove".replace(rword, function (method) {
avalon.fn[method + "Class"] = function (cls) {
var el = this[0]
//https://developer.mozilla.org/zh-CN/docs/Mozilla/Firefox/Releases/26
if (cls && typeof cls === "string" && el && el.nodeType === 1) {
cls.replace(/\S+/g, function (c) {
fakeClassList(el)[method](c)
})
}
return this
}
})
avalon.fn.mix({
hasClass: function (cls) {
var el = this[0] || {}
return el.nodeType === 1 && fakeClassList(el).contains(cls)
},
toggleClass: function (value, stateVal) {
var className, i = 0
var classNames = String(value).split(/\s+/)
var isBool = typeof stateVal === "boolean"
while ((className = classNames[i++])) {
var state = isBool ? stateVal : !this.hasClass(className)
this[state ? "addClass" : "removeClass"](className)
}
return this
},
attr: function (name, value) {
if (arguments.length === 2) {
this[0].setAttribute(name, value)
return this
} else {
return this[0].getAttribute(name)
}
},
data: function (name, value) {
name = "data-" + hyphen(name || "")
switch (arguments.length) {
case 2:
this.attr(name, value)
return this
case 1:
var val = this.attr(name)
return parseData(val)
case 0:
var ret = {}
ap.forEach.call(this[0].attributes, function (attr) {
if (attr) {
name = attr.name
if (!name.indexOf("data-")) {
name = camelize(name.slice(5))
ret[name] = parseData(attr.value)
}
}
})
return ret
}
},
removeData: function (name) {
name = "data-" + hyphen(name)
this[0].removeAttribute(name)
return this
},
css: function (name, value) {
if (avalon.isPlainObject(name)) {
for (var i in name) {
avalon.css(this, i, name[i])
}
} else {
var ret = avalon.css(this, name, value)
}
return ret !== void 0 ? ret : this
},
position: function () {
var offsetParent, offset,
elem = this[0],
parentOffset = {
top: 0,
left: 0
}
if (!elem) {
return
}
if (this.css("position") === "fixed") {
offset = elem.getBoundingClientRect()
} else {
offsetParent = this.offsetParent() //得到真正的offsetParent
offset = this.offset() // 得到正确的offsetParent
if (offsetParent[0].tagName !== "HTML") {
parentOffset = offsetParent.offset()
}
parentOffset.top += avalon.css(offsetParent[0], "borderTopWidth", true)
parentOffset.left += avalon.css(offsetParent[0], "borderLeftWidth", true)
// Subtract offsetParent scroll positions
parentOffset.top -= offsetParent.scrollTop()
parentOffset.left -= offsetParent.scrollLeft()
}
return {
top: offset.top - parentOffset.top - avalon.css(elem, "marginTop", true),
left: offset.left - parentOffset.left - avalon.css(elem, "marginLeft", true)
}
},
offsetParent: function () {
var offsetParent = this[0].offsetParent
while (offsetParent && avalon.css(offsetParent, "position") === "static") {
offsetParent = offsetParent.offsetParent;
}
return avalon(offsetParent || root)
},
bind: function (type, fn, phase) {
if (this[0]) { //此方法不会链
return avalon.bind(this[0], type, fn, phase)
}
},
unbind: function (type, fn, phase) {
if (this[0]) {
avalon.unbind(this[0], type, fn, phase)
}
return this
},
val: function (value) {
var node = this[0]
if (node && node.nodeType === 1) {
var get = arguments.length === 0
var access = get ? ":get" : ":set"
var fn = valHooks[getValType(node) + access]
if (fn) {
var val = fn(node, value)
} else if (get) {
return (node.value || "").replace(/\r/g, "")
} else {
node.value = value
}
}
return get ? val : this
}
})
function parseData(data) {
try {
if (typeof data === "object")
return data
data = data === "true" ? true :
data === "false" ? false :
data === "null" ? null : +data + "" === data ? +data : rbrace.test(data) ? avalon.parseJSON(data) : data
} catch (e) {
}
return data
}
var rbrace = /(?:\{[\s\S]*\}|\[[\s\S]*\])$/,
rvalidchars = /^[\],:{}\s]*$/,
rvalidbraces = /(?:^|:|,)(?:\s*\[)+/g,
rvalidescape = /\\(?:["\\\/bfnrt]|u[\da-fA-F]{4})/g,
rvalidtokens = /"[^"\\\r\n]*"|true|false|null|-?(?:\d+\.|)\d+(?:[eE][+-]?\d+|)/g
avalon.parseJSON = window.JSON ? JSON.parse : function (data) {
if (typeof data === "string") {
data = data.trim();
if (data) {
if (rvalidchars.test(data.replace(rvalidescape, "@")
.replace(rvalidtokens, "]")
.replace(rvalidbraces, ""))) {
return (new Function("return " + data))() // jshint ignore:line
}
}
avalon.error("Invalid JSON: " + data)
}
return data
}
avalon.fireDom = function (elem, type, opts) {
if (DOC.createEvent) {
var hackEvent = DOC.createEvent("Events");
hackEvent.initEvent(type, true, true)
avalon.mix(hackEvent, opts)
elem.dispatchEvent(hackEvent)
} else {
try {
hackEvent = DOC.createEventObject()
avalon.mix(hackEvent, opts)
elem.fireEvent("on" + type, hackEvent)
} catch (e) {//IE6-8触发事件必须保证在DOM树中,否则报"SCRIPT16389: 未指明的错误"
}
}
}
//生成avalon.fn.scrollLeft, avalon.fn.scrollTop方法
avalon.each({
scrollLeft: "pageXOffset",
scrollTop: "pageYOffset"
}, function (method, prop) {
avalon.fn[method] = function (val) {
var node = this[0] || {}, win = getWindow(node),
top = method === "scrollTop"
if (!arguments.length) {
return win ? (prop in win) ? win[prop] : root[method] : node[method]
} else {
if (win) {
win.scrollTo(!top ? val : avalon(win).scrollLeft(), top ? val : avalon(win).scrollTop())
} else {
node[method] = val
}
}
}
})
function getWindow(node) {
return node.window && node.document ? node : node.nodeType === 9 ? node.defaultView || node.parentWindow : false;
}
//=============================css相关=======================
var cssHooks = avalon.cssHooks = {}
var prefixes = ["", "-webkit-", "-o-", "-moz-", "-ms-"]
var cssMap = {
"float": W3C ? "cssFloat" : "styleFloat"
}
avalon.cssNumber = oneObject("animationIterationCount,columnCount,order,flex,flexGrow,flexShrink,fillOpacity,fontWeight,lineHeight,opacity,orphans,widows,zIndex,zoom")
avalon.cssName = function (name, host, camelCase) {
if (cssMap[name]) {
return cssMap[name]
}
host = host || root.style
for (var i = 0, n = prefixes.length; i < n; i++) {
camelCase = camelize(prefixes[i] + name)
if (camelCase in host) {
return (cssMap[name] = camelCase)
}
}
return null
}
cssHooks["@:set"] = function (node, name, value) {
try { //node.style.width = NaN;node.style.width = "xxxxxxx";node.style.width = undefine 在旧式IE下会抛异常
node.style[name] = value
} catch (e) {
}
}
if (window.getComputedStyle) {
cssHooks["@:get"] = function (node, name) {
if (!node || !node.style) {
throw new Error("getComputedStyle要求传入一个节点 " + node)
}
var ret, styles = getComputedStyle(node, null)
if (styles) {
ret = name === "filter" ? styles.getPropertyValue(name) : styles[name]
if (ret === "") {
ret = node.style[name] //其他浏览器需要我们手动取内联样式
}
}
return ret
}
cssHooks["opacity:get"] = function (node) {
var ret = cssHooks["@:get"](node, "opacity")
return ret === "" ? "1" : ret
}
} else {
var rnumnonpx = /^-?(?:\d*\.)?\d+(?!px)[^\d\s]+$/i
var rposition = /^(top|right|bottom|left)$/
var ralpha = /alpha\([^)]*\)/i
var ie8 = !!window.XDomainRequest
var salpha = "DXImageTransform.Microsoft.Alpha"
var border = {
thin: ie8 ? '1px' : '2px',
medium: ie8 ? '3px' : '4px',
thick: ie8 ? '5px' : '6px'
}
cssHooks["@:get"] = function (node, name) {
//取得精确值,不过它有可能是带em,pc,mm,pt,%等单位
var currentStyle = node.currentStyle
var ret = currentStyle[name]
if ((rnumnonpx.test(ret) && !rposition.test(ret))) {
//①,保存原有的style.left, runtimeStyle.left,
var style = node.style,
left = style.left,
rsLeft = node.runtimeStyle.left
//②由于③处的style.left = xxx会影响到currentStyle.left,
//因此把它currentStyle.left放到runtimeStyle.left,
//runtimeStyle.left拥有最高优先级,不会style.left影响
node.runtimeStyle.left = currentStyle.left
//③将精确值赋给到style.left,然后通过IE的另一个私有属性 style.pixelLeft
//得到单位为px的结果;fontSize的分支见http://bugs.jquery.com/ticket/760
style.left = name === 'fontSize' ? '1em' : (ret || 0)
ret = style.pixelLeft + "px"
//④还原 style.left,runtimeStyle.left
style.left = left
node.runtimeStyle.left = rsLeft
}
if (ret === "medium") {
name = name.replace("Width", "Style")
//border width 默认值为medium,即使其为0"
if (currentStyle[name] === "none") {
ret = "0px"
}
}
return ret === "" ? "auto" : border[ret] || ret
}
cssHooks["opacity:set"] = function (node, name, value) {
var style = node.style
var opacity = isFinite(value) && value <= 1 ? "alpha(opacity=" + value * 100 + ")" : ""
var filter = style.filter || "";
style.zoom = 1
//不能使用以下方式设置透明度
//node.filters.alpha.opacity = value * 100
style.filter = (ralpha.test(filter) ?
filter.replace(ralpha, opacity) :
filter + " " + opacity).trim()
if (!style.filter) {
style.removeAttribute("filter")
}
}
cssHooks["opacity:get"] = function (node) {
//这是最快的获取IE透明值的方式,不需要动用正则了!
var alpha = node.filters.alpha || node.filters[salpha],
op = alpha && alpha.enabled ? alpha.opacity : 100
return (op / 100) + "" //确保返回的是字符串
}
}
"top,left".replace(rword, function (name) {
cssHooks[name + ":get"] = function (node) {
var computed = cssHooks["@:get"](node, name)
return /px$/.test(computed) ? computed :
avalon(node).position()[name] + "px"
}
})
var cssShow = {
position: "absolute",
visibility: "hidden",
display: "block"
}
var rdisplayswap = /^(none|table(?!-c[ea]).+)/
function showHidden(node, array) {
//http://www.cnblogs.com/rubylouvre/archive/2012/10/27/2742529.html
if (node.offsetWidth <= 0) { //opera.offsetWidth可能小于0
if (rdisplayswap.test(cssHooks["@:get"](node, "display"))) {
var obj = {
node: node
}
for (var name in cssShow) {
obj[name] = node.style[name]
node.style[name] = cssShow[name]
}
array.push(obj)
}
var parent = node.parentNode
if (parent && parent.nodeType === 1) {
showHidden(parent, array)
}
}
}
"Width,Height".replace(rword, function (name) { //fix 481
var method = name.toLowerCase(),
clientProp = "client" + name,
scrollProp = "scroll" + name,
offsetProp = "offset" + name
cssHooks[method + ":get"] = function (node, which, override) {
var boxSizing = -4
if (typeof override === "number") {
boxSizing = override
}
which = name === "Width" ? ["Left", "Right"] : ["Top", "Bottom"]
var ret = node[offsetProp] // border-box 0
if (boxSizing === 2) { // margin-box 2
return ret + avalon.css(node, "margin" + which[0], true) + avalon.css(node, "margin" + which[1], true)
}
if (boxSizing < 0) { // padding-box -2
ret = ret - avalon.css(node, "border" + which[0] + "Width", true) - avalon.css(node, "border" + which[1] + "Width", true)
}
if (boxSizing === -4) { // content-box -4
ret = ret - avalon.css(node, "padding" + which[0], true) - avalon.css(node, "padding" + which[1], true)
}
return ret
}
cssHooks[method + "&get"] = function (node) {
var hidden = [];
showHidden(node, hidden);
var val = cssHooks[method + ":get"](node)
for (var i = 0, obj; obj = hidden[i++]; ) {
node = obj.node
for (var n in obj) {
if (typeof obj[n] === "string") {
node.style[n] = obj[n]
}
}
}
return val;
}
avalon.fn[method] = function (value) { //会忽视其display
var node = this[0]
if (arguments.length === 0) {
if (node.setTimeout) { //取得窗口尺寸,IE9后可以用node.innerWidth /innerHeight代替
return node["inner" + name] || node.document.documentElement[clientProp] ||
node.document.body[clientProp]//IE6下前两个分别为undefine,0
}
if (node.nodeType === 9) { //取得页面尺寸
var doc = node.documentElement
//FF chrome html.scrollHeight< body.scrollHeight
//IE 标准模式 : html.scrollHeight> body.scrollHeight
//IE 怪异模式 : html.scrollHeight 最大等于可视窗口多一点?
return Math.max(node.body[scrollProp], doc[scrollProp], node.body[offsetProp], doc[offsetProp], doc[clientProp])
}
return cssHooks[method + "&get"](node)
} else {
return this.css(method, value)
}
}
avalon.fn["inner" + name] = function () {
return cssHooks[method + ":get"](this[0], void 0, -2)
}
avalon.fn["outer" + name] = function (includeMargin) {
return cssHooks[method + ":get"](this[0], void 0, includeMargin === true ? 2 : 0)
}
})
avalon.fn.offset = function () { //取得距离页面左右角的坐标
var node = this[0],
box = {
left: 0,
top: 0
}
if (!node || !node.tagName || !node.ownerDocument) {
return box
}
var doc = node.ownerDocument,
body = doc.body,
root = doc.documentElement,
win = doc.defaultView || doc.parentWindow
if (!avalon.contains(root, node)) {
return box
}
//http://hkom.blog1.fc2.com/?mode=m&no=750 body的偏移量是不包含margin的
//我们可以通过getBoundingClientRect来获得元素相对于client的rect.
//http://msdn.microsoft.com/en-us/library/ms536433.aspx
if (node.getBoundingClientRect) {
box = node.getBoundingClientRect() // BlackBerry 5, iOS 3 (original iPhone)
}
//chrome/IE6: body.scrollTop, firefox/other: root.scrollTop
var clientTop = root.clientTop || body.clientTop,
clientLeft = root.clientLeft || body.clientLeft,
scrollTop = Math.max(win.pageYOffset || 0, root.scrollTop, body.scrollTop),
scrollLeft = Math.max(win.pageXOffset || 0, root.scrollLeft, body.scrollLeft)
// 把滚动距离加到left,top中去。
// IE一些版本中会自动为HTML元素加上2px的border,我们需要去掉它
// http://msdn.microsoft.com/en-us/library/ms533564(VS.85).aspx
return {
top: box.top + scrollTop - clientTop,
left: box.left + scrollLeft - clientLeft
}
}
//==================================val相关============================
function getValType(elem) {
var ret = elem.tagName.toLowerCase()
return ret === "input" && /checkbox|radio/.test(elem.type) ? "checked" : ret
}
var roption = /^