每行代码什么意思,跪求,菜鸟一枚,求详细,谢谢各位大哥大姐!
function Ob(o) {//取得一个对象
var o = document.getElementById(o) ? document.getElementById(o) : o;
return o;
}
function Hd(o) {//隐藏某个对象
Ob(o).style.display = "none";
}
function Sw(o) {//显示某个对象
Ob(o).style.display = "";
}
function ExCls(o, a, b, n) {
var o = Ob(o);
for (i = 0; i < n; i++) { o = o.parentNode; }
o.className = o.className == a ? b : a;
}
function CNLTreeMenu(id, TagName0) {
this.id = id;
this.TagName0 = TagName0 == "" ? "li" : TagName0;
this.AllNodes = Ob(this.id).getElementsByTagName(TagName0); //根据标签名称获取结点元素liebiao
this.InitCss = function (ClassName0, ClassName1, ClassName2, ImgUrl) {
this.ClassName0 = ClassName0;
this.ClassName1 = ClassName1;
this.ClassName2 = ClassName2;
this.ImgUrl = ImgUrl || "css/s.gif";
this.ImgBlankA = "<img src=\"css/s.gif\" class=\"s\" onclick=\"ExCls(this,'" + ClassName0 + "','" + ClassName1 + "',1);\" alt=\"展开/折叠\" />";
this.ImgBlankB = "<img src=\"css/s.gif\" class=\"s\" />";
for (i = 0; i < this.AllNodes.length; i++) {
this.AllNodes[i].className == "" ? this.AllNodes[i].className = ClassName1 : "";
this.AllNodes[i].innerHTML = (this.AllNodes[i].className == ClassName2 ? this.ImgBlankB : this.ImgBlankA) + this.AllNodes[i].innerHTML;
}
}
this.SetNodes = function (n) {
var sClsName = n == 0 ? this.ClassName0 : this.ClassName1;
for (i = 0; i < this.AllNodes.length; i++) {
this.AllNodes[i].className == this.ClassName2 ? "" : this.AllNodes[i].className = sClsName;
}
}
}
function Ob(o) {//取得一个对象
var o = document.getElementById(o) ? document.getElementById(o) : o;
return o;
}
function Hd(o) {//隐藏某个对象
Ob(o).style.display = "none";
}
function Sw(o) {//显示某个对象
Ob(o).style.display = "";
}
function ExCls(o, a, b, n) {
var o = Ob(o);
for (i = 0; i < n; i++) { o = o.parentNode; }
o.className = o.className == a ? b : a;
}
function CNLTreeMenu(id, TagName0) {
this.id = id;
this.TagName0 = TagName0 == "" ? "li" : TagName0;
this.AllNodes = Ob(this.id).getElementsByTagName(TagName0); //根据标签名称获取结点元素liebiao
this.InitCss = function (ClassName0, ClassName1, ClassName2, ImgUrl) {
this.ClassName0 = ClassName0;
this.ClassName1 = ClassName1;
this.ClassName2 = ClassName2;
this.ImgUrl = ImgUrl || "css/s.gif";
this.ImgBlankA = "<img src=\"css/s.gif\" class=\"s\" onclick=\"ExCls(this,'" + ClassName0 + "','" + ClassName1 + "',1);\" alt=\"展开/折叠\" />";
this.ImgBlankB = "<img src=\"css/s.gif\" class=\"s\" />";
for (i = 0; i < this.AllNodes.length; i++) {
this.AllNodes[i].className == "" ? this.AllNodes[i].className = ClassName1 : "";
this.AllNodes[i].innerHTML = (this.AllNodes[i].className == ClassName2 ? this.ImgBlankB : this.ImgBlankA) + this.AllNodes[i].innerHTML;
}
}
this.SetNodes = function (n) {
var sClsName = n == 0 ? this.ClassName0 : this.ClassName1;
for (i = 0; i < this.AllNodes.length; i++) {
this.AllNodes[i].className == this.ClassName2 ? "" : this.AllNodes[i].className = sClsName;
}
}
}
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