(1) From the Layout menu, choose "Add a Gadget"
(2) Choose the "HTML/Javascript" Gadget
(3) Input the Title and enter the HTML in the Content box
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<div id="bp_toc"></div>
<script>
// ---------------------------------------------------
// BLOGTOC
// ---------------------------------------------------
// BlogToc creates a clickable Table Of Contents for
// Blogger Blogs.
// It uses the JSON post feed, and create a ToC of it.
// The ToC can be sorted by title or by date, both
// ascending and descending, and can be filtered by
// label.
// ---------------------------------------------------
// Author: Beautiful Beta
// Url: http://beautifulbeta.blogspot.com
// Version: 2
// Date: 2007-04-12
// ---------------------------------------------------
// Modified by Aneesh
// www.bloggerplugins.org
// Date : 02-08-2011
// ---------------------------------------------------
// Modified by waihungmm
// Date : 2013-08-21
var postTitle = new Array(); // array of posttitles
var postUrl = new Array(); // array of posturls
var postDate = new Array(); // array of post publish dates
var postSum = new Array(); // array of post summaries
var postLabels = new Array(); // array of post labels
// global variables
var sortBy = "titleasc"; // default value for sorting ToC
var tocLoaded = false; // true if feed is read and ToC can be displayed
var numChars = 250; // number of characters in post summary
var postFilter = ''; // default filter value
var tocdiv = document.getElementById("bp_toc"); //the toc container
var totalEntires =0; //Entries grabbed till now
var totalPosts =0; //Total number of posts in the blog.
// main callback function
function loadtoc(json) {
function getPostData() {
// this functions reads all postdata from the json-feed and stores it in arrays
if ("entry" in json.feed) {
var numEntries = json.feed.entry.length;
totalEntires = totalEntires + numEntries;
totalPosts=json.feed.openSearch$totalResults.$t
// main loop gets all the entries from the feed
for (var i = 0; i < numEntries; i++) {
// get the entry from the feed
var entry = json.feed.entry[i];
// get the posttitle from the entry
var posttitle = entry.title.$t;
// get the post date from the entry
var postdate = entry.published.$t.substring(0,10);
// get the post url from the entry
var posturl;
for (var k = 0; k < entry.link.length; k++) {
if (entry.link[k].rel == 'alternate') {
posturl = entry.link[k].href;
break;
}
}
// get the post contents from the entry
// strip all html-characters, and reduce it to a summary
if ("content" in entry) {
var postcontent = entry.content.$t;}
else
if ("summary" in entry) {
var postcontent = entry.summary.$t;}
else var postcontent = "";
// strip off all html-tags
var re = /<\S[^>]*>/g;
postcontent = postcontent.replace(re, "");
// reduce postcontent to numchar characters, and then cut it off at the last whole word
if (postcontent.length > numChars) {
postcontent = postcontent.substring(0,numChars);
var quoteEnd = postcontent.lastIndexOf(" ");
postcontent = postcontent.substring(0,quoteEnd) + '...';
}
// get the post labels from the entry
var pll = '';
if ("category" in entry) {
for (var k = 0; k < entry.category.length; k++) {
pll += '<a href="javascript:filterPosts(\'' + entry.category[k].term + '\');" title="Click here to select all posts with label \'' + entry.category[k].term + '\'">' + entry.category[k].term + '</a>, ';
}
var l = pll.lastIndexOf(',');
if (l != -1) { pll = pll.substring(0,l); }
}
// add the post data to the arrays
postTitle.push(posttitle);
postDate.push(postdate);
postUrl.push(posturl);
postSum.push(postcontent);
postLabels.push(pll);
}
}
if(totalEntires==totalPosts) {tocLoaded=true;showToc();}
} // end of getPostData
// start of showtoc function body
// get the number of entries that are in the feed
// numEntries = json.feed.entry.length;
// get the postdata from the feed
getPostData();
// sort the arrays
sortPosts(sortBy);
tocLoaded = true;
showToc(); // newly added
}
// filter and sort functions
function filterPosts(filter) {
// This function changes the filter
// and displays the filtered list of posts
// document.getElementById("bp_toc").scrollTop = document.getElementById("bp_toc").offsetTop;;
postFilter = filter;
displayToc(postFilter);
} // end filterPosts
function allPosts() {
// This function resets the filter
// and displays all posts
postFilter = '';
displayToc(postFilter);
} // end allPosts
function sortPosts(sortBy) {
// This function is a simple bubble-sort routine
// that sorts the posts
function swapPosts(x,y) {
// Swaps 2 ToC-entries by swapping all array-elements
var temp = postTitle[x];
postTitle[x] = postTitle[y];
postTitle[y] = temp;
var temp = postDate[x];
postDate[x] = postDate[y];
postDate[y] = temp;
var temp = postUrl[x];
postUrl[x] = postUrl[y];
postUrl[y] = temp;
var temp = postSum[x];
postSum[x] = postSum[y];
postSum[y] = temp;
var temp = postLabels[x];
postLabels[x] = postLabels[y];
postLabels[y] = temp;
} // end swapPosts
for (var i=0; i < postTitle.length-1; i++) {
for (var j=i+1; j<postTitle.length; j++) {
if (sortBy == "titleasc") { if (postTitle[i] > postTitle[j]) { swapPosts(i,j); } }
if (sortBy == "titledesc") { if (postTitle[i] < postTitle[j]) { swapPosts(i,j); } }
if (sortBy == "dateoldest") { if (postDate[i] > postDate[j]) { swapPosts(i,j); } }
if (sortBy == "datenewest") { if (postDate[i] < postDate[j]) { swapPosts(i,j); } }
}
}
} // end sortPosts
// displaying the toc
function displayToc(filter) {
// this function creates a three-column table and adds it to the screen
var numDisplayed = 0;
var tocTable = '';
tocTable += '<table>';
tocTable += '</tr>';
for (var i = 0; i < postTitle.length; i++) {
tocTable += '<tr><td class="toc-entry-col1"><a href="' + postUrl[i] + '" target=_blank>' + postTitle[i] + '</a></td></tr>';
numDisplayed++;
}
tocTable += '</table>';
tocdiv.innerHTML = tocTable;
} // end of displayToc
function showToc() {
if (tocLoaded) {
displayToc(postFilter);
var toclink = document.getElementById("toclink");
}
else { alert("Just wait... TOC is loading"); }
}
</script>
<script src="http://your_blog_name.blogspot.com/feeds/posts/default?alt=json-in-script&max-results=999&callback=loadtoc"></script>
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(4) The result will be as follows
(5) This is the final output:
