var app = angular.module('plunker', ['ui.bootstrap']);

app.controller('MainCtrl', function($scope) {
  
});
<!DOCTYPE html>
<html ng-app="plunker">

  <head>
    <meta charset="utf-8" />
    <title>AngularJS Plunker</title>

    <!-- Styles -->
    <link href="//netdna.bootstrapcdn.com/bootstrap/3.1.1/css/bootstrap.min.css" rel="stylesheet">
    
    <!-- Scripts -->
    <script src="https://code.angularjs.org/1.2.20/angular.js"></script>
    <!-- <script src="//angular-ui.github.io/bootstrap/ui-bootstrap-tpls-0.11.0.js"></script>-->
    <script src="ui-bootstrap-custom-tpls-0.10.0.js"></script>
    <script src="app.js"></script>
    
  </head>

  <body ng-controller="MainCtrl">
    <div class="container text-center">
      <h2>Tooltips in Angular</h2>
      <button type="button" class="btn btn-default" 
          data-toggle="tooltip" 
          tooltip="Tooltip on left"
          tooltip-placement="left" >
         Tooltip on left
      </button>
          
    </div>

    
  </body>

</html>
/*
 * angular-ui-bootstrap
 * http://angular-ui.github.io/bootstrap/

 * Version: 0.10.0 - 2014-01-14
 * License: MIT
 */
angular.module("ui.bootstrap",["ui.bootstrap.tpls","ui.bootstrap.position","ui.bootstrap.bindHtml","ui.bootstrap.tooltip"]),angular.module("ui.bootstrap.tpls",["template/tooltip/tooltip-html-unsafe-popup.html","template/tooltip/tooltip-popup.html"]),angular.module("ui.bootstrap.position",[]).factory("$position",["$document","$window",function(a,b){function c(a,c){return a.currentStyle?a.currentStyle[c]:b.getComputedStyle?b.getComputedStyle(a)[c]:a.style[c]}function d(a){return"static"===(c(a,"position")||"static")}var e=function(b){for(var c=a[0],e=b.offsetParent||c;e&&e!==c&&d(e);)e=e.offsetParent;return e||c};return{position:function(b){var c=this.offset(b),d={top:0,left:0},f=e(b[0]);f!=a[0]&&(d=this.offset(angular.element(f)),d.top+=f.clientTop-f.scrollTop,d.left+=f.clientLeft-f.scrollLeft);var g=b[0].getBoundingClientRect();return{width:g.width||b.prop("offsetWidth"),height:g.height||b.prop("offsetHeight"),top:c.top-d.top,left:c.left-d.left}},offset:function(c){var d=c[0].getBoundingClientRect();return{width:d.width||c.prop("offsetWidth"),height:d.height||c.prop("offsetHeight"),top:d.top+(b.pageYOffset||a[0].body.scrollTop||a[0].documentElement.scrollTop),left:d.left+(b.pageXOffset||a[0].body.scrollLeft||a[0].documentElement.scrollLeft)}}}}]),angular.module("ui.bootstrap.bindHtml",[]).directive("bindHtmlUnsafe",function(){return function(a,b,c){b.addClass("ng-binding").data("$binding",c.bindHtmlUnsafe),a.$watch(c.bindHtmlUnsafe,function(a){b.html(a||"")})}}),angular.module("ui.bootstrap.tooltip",["ui.bootstrap.position","ui.bootstrap.bindHtml"]).provider("$tooltip",function(){function a(a){var b=/[A-Z]/g,c="-";return a.replace(b,function(a,b){return(b?c:"")+a.toLowerCase()})}var b={placement:"top",animation:!0,popupDelay:0},c={mouseenter:"mouseleave",click:"click",focus:"blur"},d={};this.options=function(a){angular.extend(d,a)},this.setTriggers=function(a){angular.extend(c,a)},this.$get=["$window","$compile","$timeout","$parse","$document","$position","$interpolate",function(e,f,g,h,i,j,k){return function(e,l,m){function n(a){var b=a||o.trigger||m,d=c[b]||b;return{show:b,hide:d}}var o=angular.extend({},b,d),p=a(e),q=k.startSymbol(),r=k.endSymbol(),s="<div "+p+"-popup "+'title="'+q+"tt_title"+r+'" '+'content="'+q+"tt_content"+r+'" '+'placement="'+q+"tt_placement"+r+'" '+'animation="tt_animation" '+'is-open="tt_isOpen"'+">"+"</div>";return{restrict:"EA",scope:!0,compile:function(){var a=f(s);return function(b,c,d){function f(){b.tt_isOpen?m():k()}function k(){(!z||b.$eval(d[l+"Enable"]))&&(b.tt_popupDelay?(v=g(p,b.tt_popupDelay,!1),v.then(function(a){a()})):p()())}function m(){b.$apply(function(){q()})}function p(){return b.tt_content?(r(),u&&g.cancel(u),t.css({top:0,left:0,display:"block"}),w?i.find("body").append(t):c.after(t),A(),b.tt_isOpen=!0,b.$digest(),A):angular.noop}function q(){b.tt_isOpen=!1,g.cancel(v),b.tt_animation?u=g(s,500):s()}function r(){t&&s(),t=a(b,function(){}),b.$digest()}function s(){t&&(t.remove(),t=null)}var t,u,v,w=angular.isDefined(o.appendToBody)?o.appendToBody:!1,x=n(void 0),y=!1,z=angular.isDefined(d[l+"Enable"]),A=function(){var a,d,e,f;switch(a=w?j.offset(c):j.position(c),d=t.prop("offsetWidth"),e=t.prop("offsetHeight"),b.tt_placement){case"right":f={top:a.top+a.height/2-e/2,left:a.left+a.width};break;case"bottom":f={top:a.top+a.height,left:a.left+a.width/2-d/2};break;case"left":f={top:a.top+a.height/2-e/2,left:a.left-d};break;default:f={top:a.top-e,left:a.left+a.width/2-d/2}}f.top+="px",f.left+="px",t.css(f)};b.tt_isOpen=!1,d.$observe(e,function(a){b.tt_content=a,!a&&b.tt_isOpen&&q()}),d.$observe(l+"Title",function(a){b.tt_title=a}),d.$observe(l+"Placement",function(a){b.tt_placement=angular.isDefined(a)?a:o.placement}),d.$observe(l+"PopupDelay",function(a){var c=parseInt(a,10);b.tt_popupDelay=isNaN(c)?o.popupDelay:c});var B=function(){y&&(c.unbind(x.show,k),c.unbind(x.hide,m))};d.$observe(l+"Trigger",function(a){B(),x=n(a),x.show===x.hide?c.bind(x.show,f):(c.bind(x.show,k),c.bind(x.hide,m)),y=!0});var C=b.$eval(d[l+"Animation"]);b.tt_animation=angular.isDefined(C)?!!C:o.animation,d.$observe(l+"AppendToBody",function(a){w=angular.isDefined(a)?h(a)(b):w}),w&&b.$on("$locationChangeSuccess",function(){b.tt_isOpen&&q()}),b.$on("$destroy",function(){g.cancel(u),g.cancel(v),B(),s()})}}}}}]}).directive("tooltipPopup",function(){return{restrict:"EA",replace:!0,scope:{content:"@",placement:"@",animation:"&",isOpen:"&"},templateUrl:"template/tooltip/tooltip-popup.html"}}).directive("tooltip",["$tooltip",function(a){return a("tooltip","tooltip","mouseenter")}]).directive("tooltipHtmlUnsafePopup",function(){return{restrict:"EA",replace:!0,scope:{content:"@",placement:"@",animation:"&",isOpen:"&"},templateUrl:"template/tooltip/tooltip-html-unsafe-popup.html"}}).directive("tooltipHtmlUnsafe",["$tooltip",function(a){return a("tooltipHtmlUnsafe","tooltip","mouseenter")}]),angular.module("template/tooltip/tooltip-html-unsafe-popup.html",[]).run(["$templateCache",function(a){a.put("template/tooltip/tooltip-html-unsafe-popup.html",'<div class="tooltip {{placement}}" ng-class="{ in: isOpen(), fade: animation() }">\n  <div class="tooltip-arrow"></div>\n  <div class="tooltip-inner" bind-html-unsafe="content"></div>\n</div>\n')}]),angular.module("template/tooltip/tooltip-popup.html",[]).run(["$templateCache",function(a){a.put("template/tooltip/tooltip-popup.html",'<div class="tooltip {{placement}}" ng-class="{ in: isOpen(), fade: animation() }">\n  <div class="tooltip-arrow"></div>\n  <div class="tooltip-inner" ng-bind="content"></div>\n</div>\n')}]);