HTML5仿微信聊天界面实例代码有哪些？

<!--BEGIN 打赏-->
<div class="js_dialog" id="J_Dialog_dashang" style="display: none;">
  <!--<div class="weui-mask"></div>-->
  <div class="weui-dialog">
    <i class="weui-xclose"></i>
    <div class="weui-dialog__bd">
      <!-- //打赏模板区-->
      <div class="ws__popup-template">
        <h2 class="hdTit">为喜欢的节目打赏</h2>
        <div class="item flexbox">
          <input class="ipt-txt align-l flex1" type="text" name="dschooseProgram" placeholder="选择打赏节目" readonly />
        </div>
        <div class="item item-area">
          <textarea class="describe" name="content" placeholder="输入打赏语，30字以内（选填）"></textarea>
        </div>
        <div class="item item-gift" id="J__chooseGift">
          <div class="gift flexbox selected" data-gift="001">
            <label class="txt"><span>豪车</span><em class="time">霸屏50秒</em></label>
            <span class="amount">￥<em>12</em> <i class="chkbox"></i></span>
          </div>
          <div class="gift flexbox" data-gift="002">
            <label class="txt"><span>动人玫瑰</span><em class="time">霸屏20秒</em></label>
            <span class="amount">￥<em>8</em> <i class="chkbox"></i></span>
          </div>
        </div>
      </div>
    </div>
    <div class="weui-dialog__ft">
      <a href="javascript:;" class="weui-dialog__btn weui-dialog__btn_primary" style="background: #ff4400; border-radius: 4px; color: #fff;">支付 <span>￥<em class="moneyNum">12</em></span> 打赏</a>
    </div>
  </div>
</div>
<!--END 打赏-->

/* ——聊天编辑器区域 */
var $editor = $(".J__editorText"), editor = $editor[0];
var $face = $(".emotion-area dd img");
$face.on("click", function(e){
  if($(this).hasClass("face")){ //图像
    var img = $(this)[0].cloneNode(true);
    editor.focus();
    setTimeout(function(){
      var range, node;
      if(document.selection && document.selection.createRange){
        document.selection.createRange().pasteHTML(img);
      }else if(window.getSelection && window.getSelection().getRangeAt){
        range = window.getSelection().getRangeAt(0);
        range.insertNode(img);
        range.collapse(false);
        var sel = window.getSelection();
        sel.removeAllRanges();
        sel.addRange(range);
      }
    }, 16);
  }else if($(this).hasClass("del")){ //删除
    editor.focus();
    range = window.getSelection().getRangeAt(0);
    range.collapse(false);
    var sel = window.getSelection();
    sel.removeAllRanges();
    sel.addRange(range);
    document.execCommand("delete");
  }
});
//...格式化编辑器包含标签
editor.addEventListener("focus", function(evt) {
  surrounds()
}, true);
editor.addEventListener("input", function(evt) {
  surrounds();
}, false);
function surrounds() {
  setTimeout(function () { //chrome
    var sel = window.getSelection();
    var anchorNode = sel.anchorNode;
    if (!anchorNode) return;
    if (sel.anchorNode === editor ||
      (sel.anchorNode.nodeType === 3 && sel.anchorNode.parentNode === editor)) {
      var range = sel.getRangeAt(0);
      var p = document.createElement("p");
      range.surroundContents(p);
      range.selectNodeContents(p);
      range.insertNode(document.createElement("br")); //chrome
      sel.collapse(p, 0);
      (function clearBr() {
        var elems = [].slice.call(editor.children);
        for (var i = 0, len = elems.length; i < len; i++) {
          var el = elems[i];
          if (el.tagName.toLowerCase() == "br") {
            editor.removeChild(el);
          }
        }
        elems.length = 0;
      })();
    }
  }, 0);
}
//...滚动到聊天内容底部
function scrollToBottom(){
  $('.ws__chatMsg-panel').animate({scrollTop: $("#J__chatMsgList").height()}, 300);
}