document.body
while (parent && !rootNodeRE.test(parent.nodeName) && $(parent).css("position") == "static")
parent = parent.offsetParent
return parent
})
}
}
// for now
$.fn.detach = $.fn.remove
// Generate the `width` and `height` functions
;
['width', 'height'].forEach(function(dimension) {
$.fn[dimension] = function(value) {
var offset, el = this[0],
//将width,hegiht转成Width,Height，用于取window或者document的width和height
Dimension = dimension.replace(/./, function(m) {
return m[0].toUpperCase()
})
//没有参数为获取，获取window的width和height用innerWidth,innerHeight
if (value === undefined) return isWindow(el) ? el['inner' + Dimension] :
//获取document的width和height时，用offsetWidth,offsetHeight
isDocument(el) ? el.documentElement['offset' + Dimension] : (offset = this.offset()) && offset[dimension]
else return this.each(function(idx) {
el = $(this)
el.css(dimension, funcArg(this, value, idx, el[dimension]()))
})
}
})
function traverseNode(node, fun) {
fun(node)
for (var key in node.childNodes) traverseNode(node.childNodes[key], fun)
}
// Generate the `after`, `prepend`, `before`, `append`,
// `insertAfter`, `insertBefore`, `appendTo`, and `prependTo` methods.
adjacencyOperators.forEach(function(operator, operatorIndex) {
var inside = operatorIndex % 2 //=> prepend, append
$.fn[operator] = function() {
// arguments can be nodes, arrays of nodes, Zepto objects and HTML strings
var argType, nodes = $.map(arguments, function(arg) {
argType = type(arg)
return argType == "object"
关键词：zepto是啥