diff --git a/src/compiler/parser.ts b/src/compiler/parser.ts
index b6ba02b987c..3ad2cb72507 100644
--- a/src/compiler/parser.ts
+++ b/src/compiler/parser.ts
@@ -3960,7 +3960,7 @@ namespace ts {
                     shorthandDeclaration.equalsToken = equalsToken;
                     shorthandDeclaration.objectAssignmentInitializer = allowInAnd(parseAssignmentExpressionOrHigher);
                 }
-                return finishNode(shorthandDeclaration);
+                return addJSDocComment(finishNode(shorthandDeclaration));
             }
             else {
                 const propertyAssignment = <PropertyAssignment>createNode(SyntaxKind.PropertyAssignment, fullStart);
@@ -3969,7 +3969,7 @@ namespace ts {
                 propertyAssignment.questionToken = questionToken;
                 parseExpected(SyntaxKind.ColonToken);
                 propertyAssignment.initializer = allowInAnd(parseAssignmentExpressionOrHigher);
-                return finishNode(propertyAssignment);
+                return addJSDocComment(finishNode(propertyAssignment));
             }
         }
 
diff --git a/src/compiler/utilities.ts b/src/compiler/utilities.ts
index 02b8385d0ff..f794bc81f39 100644
--- a/src/compiler/utilities.ts
+++ b/src/compiler/utilities.ts
@@ -1220,6 +1220,11 @@ namespace ts {
             if (isSourceOfAssignmentExpressionStatement) {
                 return node.parent.parent.jsDocComment;
             }
+
+            const isPropertyAssignmentExpression = node.parent && node.parent.kind === SyntaxKind.PropertyAssignment;
+            if (isPropertyAssignmentExpression) {
+                return node.parent.jsDocComment;
+            }
         }
 
         return undefined;
diff --git a/tests/cases/fourslash/jsDocFunctionSignatures3.ts b/tests/cases/fourslash/jsDocFunctionSignatures3.ts
new file mode 100644
index 00000000000..3679035d31d
--- /dev/null
+++ b/tests/cases/fourslash/jsDocFunctionSignatures3.ts
@@ -0,0 +1,32 @@
+///<reference path="fourslash.ts" />
+
+// @allowNonTsExtensions: true
+// @Filename: Foo.js
+
+//// var someObject = {
+////     /**
+////      * @param {string} param1 Some string param.
+////      * @param {number} parm2  Some number param.
+////      */
+////     someMethod: function(param1, param2) {
+////         console.log(param1/*1*/);
+////         return false;
+////     },
+////     /**
+////      * @param {number} p1  Some number param.
+////      */
+////     otherMethod(p1) {
+////         p1/*2*/
+////     }
+////     
+//// };
+
+goTo.marker('1');
+edit.insert('.');
+verify.memberListContains('substr', undefined, undefined, 'method');
+edit.backspace();
+
+goTo.marker('2');
+edit.insert('.');
+verify.memberListContains('toFixed', undefined, undefined, 'method');
+edit.backspace();