我想请求无限滚动附加的每个帖子（按 ID）的 Like Button 状态。
<li class="post text" id="{PostID}">
Tumblr 文档提供了这种检查单个帖子的“赞”按钮状态的方法：
Tumblr.LikeButton.get_status_by_page(n)
说明：请求新一页帖子后调用此函数。将刚刚加载的页码作为整数。
最后，这里是无限滚动脚本（由 Cody Sherman 修改的 Proto.jp）：
$(document).ready(function() {
var tumblrAutoPager = {
url: "http://proto.jp/",
ver: "0.1.7",
rF: true,
gP: {},
pp: null,
ppId: "",
LN: location.hostname,
init: function() {
if ($("autopagerize_icon") || navigator.userAgent.indexOf('iPhone') != -1) return;
var tAP = tumblrAutoPager;
var p = 1;
var lh = location.href;
var lhp = lh.lastIndexOf("/page/");
var lht = lh.lastIndexOf("/tagged/");
if (lhp != -1) {
p = parseInt(lh.slice(lhp + 6));
tAP.LN = lh.slice(7, lhp);
} else if (lht != -1) {
tAP.LN = lh.slice(7);
if (tAP.LN.slice(tAP.LN.length - 1) == "/") tAP.LN = tAP.LN.slice(0, tAP.LN.length - 1);
} else if ("http://" + tAP.LN + "/" != lh) {
return;
};
var gPFncs = [];
gPFncs[0] = function(aE) {
var r = [];
for (var i = 0, l = aE.length; i < l; i++) {
if (aE[i].className == "autopagerize_page_element") {
r = gCE(aE[i]);
break;
}
}
return r;
};
gPFncs[1] = function(aE) {
var r = [];
for (var i = 0, l = aE.length; i < l; i++) {
var arr = aE[i].className ? aE[i].className.split(" ") : null;
if (arr) {
for (var j = 0; j < arr.length; j++) {
arr[j] == "post" ? r.push(aE[i]) : null;
}
}
}
return r;
};
gPFncs[2] = function(aE) {
var r = [];
var tmpId = tAP.ppId ? [tAP.ppId] : ["posts", "main", "container", "content", "apDiv2", "wrapper", "projects"];
for (var i = 0, l = aE.length; i < l; i++) {
for (var j = 0; j < tmpId.length; j++) {
if (aE[i].id == tmpId[j]) {
r = gCE(aE[i]);
tAP.ppId = aE[i].id;
break;
}
}
}
return r;
};
for (var i = 0; i < gPFncs.length; i++) {
var getElems = gPFncs[i](document.body.getElementsByTagName('*'));
if (getElems.length) {
tAP.gP = gPFncs[i];
tAP.pp = getElems[0].parentNode;
break;
}
}
function gCE(pElem) {
var r = [];
for (var i = 0, l = pElem.childNodes.length; i < l; i++) {
r.push(pElem.childNodes.item(i))
}
return r;
}
if (!tAP.pp) {
return;
}
sendRequest.README = {
license: 'Public Domain',
url: 'http://jsgt.org/lib/ajax/ref.htm',
version: 0.516,
author: 'Toshiro Takahashi'
};
function chkAjaBrowser() {
var A, B = navigator.userAgent;
this.bw = {
safari: ((A = B.split('AppleWebKit/')[1]) ? A.split('(')[0].split('.')[0] : 0) >= 124,
konqueror: ((A = B.split('Konqueror/')[1]) ? A.split(';')[0] : 0) >= 3.3,
mozes: ((A = B.split('Gecko/')[1]) ? A.split(' ')[0] : 0) >= 20011128,
opera: ( !! window.opera) && ((typeof XMLHttpRequest) == 'function'),
msie: ( !! window.ActiveXObject) ? ( !! createHttpRequest()) : false
};
return (this.bw.safari || this.bw.konqueror || this.bw.mozes || this.bw.opera || this.bw.msie)
}
function createHttpRequest() {
if (window.XMLHttpRequest) {
return new XMLHttpRequest()
} else {
if (window.ActiveXObject) {
try {
return new ActiveXObject('Msxml2.XMLHTTP')
} catch (B) {
try {
return new ActiveXObject('Microsoft.XMLHTTP')
} catch (A) {
return null
}
}
} else {
return null
}
}
};
function sendRequest(E, R, C, D, F, G, S, A) {
var Q = C.toUpperCase() == 'GET',
H = createHttpRequest();
if (H == null) {
return null
}
if ((G) ? G : false) {
D += ((D.indexOf('?') == -1) ? '?' : '&') + 't=' + (new Date()).getTime()
}
var P = new chkAjaBrowser(),
L = P.bw.opera,
I = P.bw.safari,
N = P.bw.konqueror,
M = P.bw.mozes;
if (typeof E == 'object') {
var J = E.onload;
var O = E.onbeforsetheader
} else {
var J = E;
var O = null
}
if (L || I || M) {
H.onload = function() {
J(H);
H.abort()
}
} else {
H.onreadystatechange = function() {
if (H.readyState == 4) {
J(H);
H.abort()
}
}
}
R = K(R, D);
if (Q) {
D += ((D.indexOf('?') == -1) ? '?' : (R == '') ? '' : '&') + R
}
H.open(C, D, F, S, A);
if ( !! O) {
O(H)
}
B(H);
H.send(R);
function B(T) {
if (!L || typeof T.setRequestHeader == 'function') {
T.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded; charset=UTF-8')
}
return T
}
function K(X, V) {
var Z = [];
if (typeof X == 'object') {
for (var W in X) {
Y(W, X[W])
}
} else {
if (typeof X == 'string') {
if (X == '') {
return ''
}
if (X.charAt(0) == '&') {
X = X.substring(1, X.length)
}
var T = X.split('&');
for (var W = 0; W < T.length; W++) {
var U = T[W].split('=');
Y(U[0], U[1])
}
}
}
function Y(b, a) {
Z.push(encodeURIComponent(b) + '=' + encodeURIComponent(a))
}
return Z.join('&')
}
return H
}
function addNextPage(oj) {
if (oj.status == 404) {
tAP.remainFlg = false;
return;
}
var d = document.createElement("div");
d.innerHTML = oj.responseText;
var posts = tAP.gP(d.getElementsByTagName("*"));
if (posts.length < 2) {
tAP.rF = false;
return;
}
d = document.createElement("div");
d.className = "tumblrAutoPager_page_info";
tAP.pp.appendChild(d);
for (var i = 0; i < posts.length; i++) {
tAP.pp.appendChild(posts[i]);
}
var footer = $("footer");
footer ? footer.parentNode.appendChild(footer) : null;
tAP.rF = true;
}
watch_scroll();
function watch_scroll() {
var d = document.compatMode == "BackCompat" ? document.body : document.documentElement;
var r = d.scrollHeight - d.clientHeight - (d.scrollTop || document.body.scrollTop);
if (r < d.clientHeight * 2 && tAP.rF) {
tAP.rF = false;
p++;
sendRequest(addNextPage, "", "GET", "http://" + tAP.LN + "/page/" + p, true);
}
setTimeout(arguments.callee, 200);
};
function $(id) {
return document.getElementById(id)
}
},
switchAutoPage: function() {
this.rF = !this.rF;
var aE = document.getElementsByTagName('*');
for (var i = 0, l = aE.length; i < l; i++) {
if (aE[i].className == "tAP_switch") {
aE[i].firstChild.nodeValue = this.rF ? "AutoPage[OFF]" : "AutoPage[ON]";
}
}
}
};
window.addEventListener ? window.addEventListener('load', tumblrAutoPager.init, false) : window.attachEvent ? window.attachEvent("onload", tumblrAutoPager.init) : window.onload = tumblrAutoPager.init;
});
非常感谢任何见解。谢谢！