Earlier some months ago blogger released threaded comment system in blogger. after that also blogger released Google+ Comments in blogger, but some bloggers still uses and loved threaded comments system in their blog, but i noticed that Reply button is not working in some custom blogger templates,If you have faced any similar issues in your custom blogger template then here is simple JavaScript code that you need to replace it with different JavaScript code in your blogs HTML. So follow the below introduce carefully to solve that issue .
Also Read:-New ! Use Google+ Comments in Blogger
Firstly go to blogger—>template—>html editor and search for <b:includable id=’threaded_comment_js’ var=’post’> and replace it and script with below JavaScript.
<b:includable id='threaded_comment_js' var='post'> <script async='async' expr:src='data:post.commentSrc' type='text/javascript'/> <script type='text/javascript'> (function() { var items = <data:post.commentJso/>; var msgs = <data:post.commentMsgs/>; var config = <data:post.commentConfig/>; // <![CDATA[ var cursor = null; if (items && items.length > 0) { cursor = parseInt(items[items.length - 1].timestamp) + 1; } var bodyFromEntry = function(entry) { if (entry.gd$extendedProperty) { for (var k in entry.gd$extendedProperty) { if (entry.gd$extendedProperty[k].name == 'blogger.contentRemoved') { return '<span class="deleted-comment">' + entry.content.$t + '</span>'; } } } return entry.content.$t; } var parse = function(data) { cursor = null; var comments = []; if (data && data.feed && data.feed.entry) { for (var i = 0, entry; entry = data.feed.entry[i]; i++) { var comment = {}; // comment ID, parsed out of the original id format var id = /blog-(\d+).post-(\d+)/.exec(entry.id.$t); comment.id = id ? id[2] : null; comment.body = bodyFromEntry(entry); comment.timestamp = Date.parse(entry.published.$t) + ''; if (entry.author && entry.author.constructor === Array) { var auth = entry.author[0]; if (auth) { comment.author = { name: (auth.name ? auth.name.$t : undefined), profileUrl: (auth.uri ? auth.uri.$t : undefined), avatarUrl: (auth.gd$image ? auth.gd$image.src : undefined) }; } } if (entry.link) { if (entry.link[2]) { comment.link = comment.permalink = entry.link[2].href; } if (entry.link[3]) { var pid = /.*comments\/default\/(\d+)\?.*/.exec(entry.link[3].href); if (pid && pid[1]) { comment.parentId = pid[1]; } } } comment.deleteclass = 'item-control blog-admin'; if (entry.gd$extendedProperty) { for (var k in entry.gd$extendedProperty) { if (entry.gd$extendedProperty[k].name == 'blogger.itemClass') { comment.deleteclass += ' ' + entry.gd$extendedProperty[k].value; } } } comments.push(comment); } } return comments; }; var paginator = function(callback) { if (hasMore()) { var url = config.feed + '?alt=json&v=2&orderby=published&reverse=false&max-results=50'; if (cursor) { url += '&published-min=' + new Date(cursor).toISOString(); } window.bloggercomments = function(data) { var parsed = parse(data); cursor = parsed.length < 50 ? null : parseInt(parsed[parsed.length - 1].timestamp) + 1 callback(parsed); window.bloggercomments = null; } url += '&callback=bloggercomments'; var script = document.createElement('script'); script.type = 'text/javascript'; script.src = url; document.getElementsByTagName('head')[0].appendChild(script); } }; var hasMore = function() { return !!cursor; }; var getMeta = function(key, comment) { if ('iswriter' == key) { var matches = !!comment.author && comment.author.name == config.authorName && comment.author.profileUrl == config.authorUrl; return matches ? 'true' : ''; } else if ('deletelink' == key) { return config.baseUri + '/delete-comment.g?blogID=' + config.blogId + '&postID=' + comment.id; } else if ('deleteclass' == key) { return comment.deleteclass; } return ''; }; var replybox = null; var replyUrlParts = null; var replyParent = undefined; var onReply = function(commentId, domId) { if (replybox == null) { // lazily cache replybox, and adjust to suit this style: replybox = document.getElementById('comment-editor'); if (replybox != null) { replybox.height = '250px'; replybox.style.display = 'block'; replyUrlParts = replybox.src.split('#'); } } if (replybox && (commentId !== replyParent)) { document.getElementById(domId).insertBefore(replybox, null); replybox.src = replyUrlParts[0] + (commentId ? '&parentID=' + commentId : '') + '#' + replyUrlParts[1]; replyParent = commentId; } }; var hash = (window.location.hash || '#').substring(1); var startThread, targetComment; if (/^comment-form_/.test(hash)) { startThread = hash.substring('comment-form_'.length); } else if (/^c[0-9]+$/.test(hash)) { targetComment = hash.substring(1); } // Configure commenting API: var configJso = { 'maxDepth': config.maxThreadDepth }; var provider = { 'id': config.postId, 'data': items, 'loadNext': paginator, 'hasMore': hasMore, 'getMeta': getMeta, 'onReply': onReply, 'rendered': true, 'initComment': targetComment, 'initReplyThread': startThread, 'config': configJso, 'messages': msgs }; var render = function() { if (window.goog && window.goog.comments) { var holder = document.getElementById('comment-holder'); window.goog.comments.render(holder, provider); } }; // render now, or queue to render when library loads: if (window.goog && window.goog.comments) { render(); } else { window.goog = window.goog || {}; window.goog.comments = window.goog.comments || {}; window.goog.comments.loadQueue = window.goog.comments.loadQueue || []; window.goog.comments.loadQueue.push(render); } })(); // ]]> </script> </b:includable>
So, Finally Save your template and see the result :)