$(".pop").popover({ trigger: "manual" , html: true, animation:false})
  .on("mouseenter", function () {
    var _this = this;
    $(this).popover("show");
    $(".popover").on("mouseleave", function () {
      $(_this).popover('hide');
    });
  }).on("mouseleave", function () {
    var _this = this;
    setTimeout(function () {
      if (!$(".popover:hover").length) {
        $(_this).popover("hide");
      }
    }, 300);
});

var DelayTooltip = function (element, options) {
  this.init('delayTooltip', element, options);
  this.initDelayTooltip();
};
DelayTooltip.DEFAULTS = $.extend({}, $.fn.tooltip.Constructor.DEFAULTS, {
  trigger: 'hover',
  delay: {hide: 300}
});
DelayTooltip.prototype.delayTooltipEnter = function(){
    this.hoverState = 'in';
  };
  DelayTooltip.prototype.delayTooltipLeave = function(){
    this.hoverState = 'out';
    this.leave(this);
  };
 DelayTooltip.prototype.initDelayTooltip = function(){
   this.tip()
     .on('mouseenter.' + this.type, $.proxy(this.delayTooltipEnter, this))
     .on('mouseleave.' + this.type, $.proxy(this.delayTooltipLeave, this));
 };

(function ($) {
 'use strict';
 var DelayTooltip = function (element, options) {
  this.init('delayTooltip', element, options);
  this.initDelayTooltip();
 };
 if (!$.fn.tooltip) throw new Error('Popover requires tooltip.js');
 DelayTooltip.VERSION = '0.1';
 DelayTooltip.DEFAULTS = $.extend({}, $.fn.tooltip.Constructor.DEFAULTS, {
  trigger: 'hover',
  delay: {hide: 300}
 });
 DelayTooltip.prototype = $.extend({}, $.fn.tooltip.Constructor.prototype);
 DelayTooltip.prototype.constructor = DelayTooltip;
 DelayTooltip.prototype.getDefaults = function () {
  return DelayTooltip.DEFAULTS;
 };
  DelayTooltip.prototype.delayTooltipEnter = function(){
    this.hoverState = 'in';
  };
  DelayTooltip.prototype.delayTooltipLeave = function(){
    this.hoverState = 'out';
    this.leave(this);
  };
 DelayTooltip.prototype.initDelayTooltip = function(){
   this.tip()
     .on('mouseenter.' + this.type, $.proxy(this.delayTooltipEnter, this))
     .on('mouseleave.' + this.type, $.proxy(this.delayTooltipLeave, this));
 };
 function Plugin(option) {
  return this.each(function () {
   var $this  = $(this);
   var data  = $this.data('bs.delayTooltip');
   var options = typeof option == 'object' && option;
   if (!data && /destroy|hide/.test(option)) return;
   if (!data) $this.data('bs.delayTooltip', (data = new DelayTooltip(this, options)));
   if (typeof option == 'string') data[option]();
  });
 }
 var old = $.fn.delayTooltip;
 $.fn.delayTooltip       = Plugin;
 $.fn.delayTooltip.Constructor = DelayTooltip;
 $.fn.delayTooltip.noConflict = function () {
  $.fn.delayTooltip = old;
  return this;
 };
})(jQuery);

<div id="tooltip">bs tooltip:你能点击链接？</div>
<hr>
<div id="delayTooltip">delay tooltip：尝试点击链接</div>
<hr>
<div id="delayTooltipInHtml" data-html="true" data-placement="bottom" data-toggle="delayTooltip">delay tooltip:利用html标签实现</div>

(function(global, $){
  var page = function(){
  };
  page.prototype.bootstrap = function(){
    var html = 'Weclome to my blog <a target="_blank" href="greengerong.github.io">破狼博客</a>!<input type="text" placeholder="input some thing"/>';
    $('#tooltip').tooltip( {
      html: true,
      placement: 'top',
      title: html
    });
    $('#delayTooltip').delayTooltip( {
      html: true,
      placement: 'bottom',
      title: html
    });
 $('#delayTooltipInHtml').attr('title', html).delayTooltip();
 return this;
};
   global.Page = page;
})(this, jQuery);
$(function(){
  'use strict';
 var page = new window.Page().bootstrap();
  //
});