var app = angular.module("app", []);

 app.controller("listController", ["$scope",
   function($scope) {

$scope.export = function(){
	alert("in pdf export");
	 var pdf = new jsPDF('landscape');
   var source = "";
   
      var inputString =   "<div class='O0' style='margin-top: 0pt; margin-bottom: 0pt; margin-left: 0.38in; text-indent: -0.38in; direction: ltr; unicode-bidi: embed; word-break: normal;'>" +
       "<span style='font-size:18.0pt'>1.</span><span style='font-size:18.0pt;font-family:Arial;mso-ascii-font-family:Arial;mso-fareast-font-family:+mn-ea;mso-bidi-font-family:+mn-cs;mso-ascii-theme-font:minor-latin;mso-fareast-theme-font:minor-fareast;mso-bidi-theme-font:minor-bidi;color:#162E71;mso-color-index:1;mso-font-kerning:12.0pt;language:en-US;mso-style-textfill-type:solid;mso-style-textfill-fill-themecolor:text1;mso-style-textfill-fill-color:#162E71;mso-style-textfill-fill-alpha:100.0%'>Below are few Options</span>" +
       "</div><div class='O0' style='margin-top: 0pt; margin-bottom: 0pt; margin-left: 0.38in; text-indent: -0.38in; direction: ltr; unicode-bidi: embed; word-break: normal;'> " +
       " <span style='text-indent: -36.48px;'>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;&nbsp;</span><span style='text-indent: -36.48px; font-size: 18pt;'><span style='font-family: Arial;'>•</span></span>" +
       "<span style='text-indent: -36.48px; font-size: 18pt; font-family: Arial; color: rgb(22, 46, 113);'>Option1</span>" +
       "</div><div class='O0' style='margin-top: 0pt; margin-bottom: 0pt; margin-left: 0.38in; text-indent: -0.38in; direction: ltr; unicode-bidi: embed; word-break: normal;'>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span style='text-indent: -36.48px; font-size: 18pt;'>" +
       "<span style='font-family: Arial;'>•</span></span><span style='text-indent: -36.48px; font-size: 18pt; font-family: Arial; color: rgb(22, 46, 113);'>Option2</span></div>" +
       "<div class='O1' style='margin-top: 0pt; margin-bottom: 0pt; margin-left: 0.88in; text-indent: -0.38in; direction: ltr; unicode-bidi: embed; word-break: normal;'>";
 
	 	        specialElementHandlers = {
			           // element with id of "bypass" - jQuery style selector
			           '#bypassme': function (element, renderer) {
			               // true = "handled elsewhere, bypass text extraction"
			               return true
			           }
			       };
			       margins = {
			           top: 20,
			           bottom: 10,
			           left: 10,
			           right: 10,
			           width: '100%'
			       };
			       // all coords and widths are in jsPDF instance's declared units
			       // 'inches' in this case
			       pdf.fromHTML(
			       inputString, // HTML string or DOM elem ref.
			       margins.left, // x coord
			       margins.top, { // y coord
			           'width': '100%', // max width of content on PDF
			           'elementHandlers': specialElementHandlers
			       },

			       function (dispose) {
			           // dispose: object with X, Y of the last line add to the PDF
			           //          this allow the insertion of new lines after html
			           pdf.save('test.pdf');
    }, margins);


}
   }
 ]);
<!doctype html>
<html ng-app="app">

<head>
  <script src="//ajax.googleapis.com/ajax/libs/angularjs/1.3.4/angular.min.js"></script>
   <script src="https://cdnjs.cloudflare.com/ajax/libs/pdfmake/0.1.33/vfs_fonts.js"></script>
 <script src="https://cdnjs.cloudflare.com/ajax/libs/jspdf/1.3.4/jspdf.min.js"></script>
 <script src="script.js"></script>
</head>

<body>
  <div ng-controller="listController">
        <button ng-click="export()">export</button>
    <div id="exportthis">
      <h1>This is header</h1>
      <font color="red">Sample page</font>
   <div class="O0" style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 0.38in; text-indent: -0.38in; direction: ltr; unicode-bidi: embed; word-break: normal;"><span style="font-size:18.0pt">1.</span><span style="font-size:18.0pt;font-family:
Arial;mso-ascii-font-family:Arial;mso-fareast-font-family:+mn-ea;mso-bidi-font-family:
+mn-cs;mso-ascii-theme-font:minor-latin;mso-fareast-theme-font:minor-fareast;
mso-bidi-theme-font:minor-bidi;color:#162E71;mso-color-index:1;mso-font-kerning:
12.0pt;language:en-US;mso-style-textfill-type:solid;mso-style-textfill-fill-themecolor:
text1;mso-style-textfill-fill-color:#162E71;mso-style-textfill-fill-alpha:100.0%">Below are few Options</span></div><div class="O0" style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 0.38in; text-indent: -0.38in; direction: ltr; unicode-bidi: embed; word-break: normal;">
  <span style="text-indent: -36.48px;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;&nbsp;</span>
  <span style="text-indent: -36.48px; font-size: 18pt;">
    <span style="font-family: Arial;">•</span></span>
    <span style="text-indent: -36.48px; font-size: 18pt; font-family: Arial; color: rgb(22, 46, 113);">Option1</span></div>
    <div class="O0" style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 0.38in; text-indent: -0.38in; direction: ltr; unicode-bidi: embed; word-break: normal;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span style="text-indent: -36.48px; font-size: 18pt;"><span style="font-family: Arial;">•</span></span><span style="text-indent: -36.48px; font-size: 18pt; font-family: Arial; color: rgb(22, 46, 113);">Option2</span></div><div class="O1" style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 0.88in; text-indent: -0.38in; direction: ltr; unicode-bidi: embed; word-break: normal;">
      
  </div>
</body>

</html>