$)'))
}
//给需要的样式值后面加上'px'单位，除了cssNumber里面的指定的那些
function maybeAddPx(name, value) {
return (typeof value == "number" && !cssNumber[dasherize(name)]) ? value + "px" : value
}
//获取节点的默认display属性
function defaultDisplay(nodeName) {
var element, display
if (!elementDisplay[nodeName]) { //缓存里不存在
element = document.createElement(nodeName)
document.body.appendChild(element)
display = getComputedStyle(element, '').getPropertyValue("display")
element.parentNode.removeChild(element)
display == "none" && (display = "block") //当display等于none时，设置其值为block,搞不懂为毛要这样
elementDisplay[nodeName] = display //缓存元素的默认display属性
}
return elementDisplay[nodeName]
}
//获取指定元素的子节点(不包含文本节点),Firefox不支持children，所以只能通过筛选childNodes
function children(element) {
return 'children' in element ? slice.call(element.children) : $.map(element.childNodes, function(node) {
if (node.nodeType == 1) return node
})
}
// `$.zepto.fragment` takes a html string and an optional tag name
// to generate DOM nodes nodes from the given html string.
// The generated DOM nodes are returned as an array.
// This function can be overriden in plugins for example to make
// it compatible with browsers that don't support the DOM fully.
zepto.fragment = function(html, name, properties) {
//将类似<div class="test"/>替换成<div class="test"></div>,算是一种修复吧
if (html.replace) html = html.replace(tagExpanderRE, "<$1></$2>")
//给name取标签名
if (name === undefined) name = fragmentRE.test(html) && RegExp.$1
//设置容器标签名，如果不是tr,tbody,thead,tfoot,td,th，则容器标签名为div
if (!(name in containers)) name = '*'
var nodes, dom, container = containers[name] //创建容器
container.innerHTML = '' + html //将html代码片断放入容器
//取容器的子节点，这样就直接把字符串转成DOM节点了
dom = $.each(slice.call(container.childNodes), function() {
container.removeChild(this) //逐个删除
})
//如果properties是对象, 则将其当作属性来给添加进来的节点进行设置
if (isPlainObject(properties)) {
nodes = $(dom) //将dom转成zepto对象，为了方便下面调用zepto上的方法
//遍历对象，设置属性
$.each(properties, function(key, value) {
//如果设置的是'val', 'css', 'html', 'text', 'data', 'width', 'height', 'offset'，则调用zepto上相对应的方法
if (methodAttributes.indexOf(key) > -1) nodes[key](value)
else nodes.attr(key, value)
})
}
//返回将字符串转成的DOM节点后的数组，比如'<li></li><li></li><li></li>'转成[li,li,li]
return dom
}
// `$.zepto.Z` swaps out the prototype of the given `dom` array
// of nodes with `$.fn` and thus supplying all the Zepto functions
// to the array. Note that `__proto__` is not supported on Internet
// Explorer. This method can be overriden in plugins.
zepto.Z = function(dom, selector) {
dom = dom
关键词：zepto是啥