diff --git a/.eslintrc.json b/.eslintrc.json
index cb9c786..3a97d05 100644
--- a/.eslintrc.json
+++ b/.eslintrc.json
@@ -1,10 +1,10 @@
 {
   "parserOptions": {
-    "ecmaVersion": 5
+    "ecmaVersion": 6,
+    "sourceType": "module"
   },
   "extends": "eslint:recommended",
   "env": {
-    "commonjs": true,
     "browser": true
   },
   "rules": {
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 063845e..06ed895 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -13,10 +13,12 @@ jobs:
       - uses: actions/checkout@v2
 
       - uses: purescript-contrib/setup-purescript@main
+        with:
+          purescript: "unstable"
 
-      - uses: actions/setup-node@v1
+      - uses: actions/setup-node@v2
         with:
-          node-version: "10"
+          node-version: "14"
 
       - name: Install dependencies
         run: |
diff --git a/CHANGELOG.md b/CHANGELOG.md
index f819a2d..261cac6 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,6 +5,7 @@ Notable changes to this project are documented in this file. The format is based
 ## [Unreleased]
 
 Breaking changes:
+- Migrate FFI to ES modules (#51 by @JordanMartinez)
 
 New features:
 
diff --git a/bower.json b/bower.json
index bd5bfbb..6da150a 100644
--- a/bower.json
+++ b/bower.json
@@ -15,6 +15,6 @@
     "package.json"
   ],
   "dependencies": {
-    "purescript-web-events": "^3.0.0"
+    "purescript-web-events": "master"
   }
 }
diff --git a/package.json b/package.json
index 1c67b54..4ea39f9 100644
--- a/package.json
+++ b/package.json
@@ -6,8 +6,8 @@
   },
   "devDependencies": {
     "eslint": "^7.15.0",
-    "pulp": "^15.0.0",
-    "purescript-psa": "^0.8.0",
+    "pulp": "16.0.0-0",
+    "purescript-psa": "^0.8.2",
     "rimraf": "^3.0.2"
   }
 }
diff --git a/src/Web/DOM/CharacterData.js b/src/Web/DOM/CharacterData.js
index 92639e7..35bdb8b 100644
--- a/src/Web/DOM/CharacterData.js
+++ b/src/Web/DOM/CharacterData.js
@@ -1,18 +1,16 @@
-"use strict";
-
-exports.data_ = function (t) {
+export function data_(t) {
   return function () {
     return t.data;
   };
-};
+}
 
-exports.length = function (t) {
+export function length(t) {
   return function () {
     return t.length;
   };
-};
+}
 
-exports.substringData = function (offset) {
+export function substringData(offset) {
   return function (count) {
     return function (cd) {
       return function () {
@@ -20,17 +18,17 @@ exports.substringData = function (offset) {
       };
     };
   };
-};
+}
 
-exports.appendData = function (data) {
+export function appendData(data) {
   return function (cd) {
     return function () {
       cd.appendData(data);
     };
   };
-};
+}
 
-exports.insertData = function (offset) {
+export function insertData(offset) {
   return function (data) {
     return function (cd) {
       return function () {
@@ -38,9 +36,9 @@ exports.insertData = function (offset) {
       };
     };
   };
-};
+}
 
-exports.deleteData = function (offset) {
+export function deleteData(offset) {
   return function (count) {
     return function (cd) {
       return function () {
@@ -48,9 +46,9 @@ exports.deleteData = function (offset) {
       };
     };
   };
-};
+}
 
-exports.replaceData = function (offset) {
+export function replaceData(offset) {
   return function (count) {
     return function (data) {
       return function (cd) {
@@ -60,4 +58,4 @@ exports.replaceData = function (offset) {
       };
     };
   };
-};
+}
diff --git a/src/Web/DOM/ChildNode.js b/src/Web/DOM/ChildNode.js
index 494815e..01d7933 100644
--- a/src/Web/DOM/ChildNode.js
+++ b/src/Web/DOM/ChildNode.js
@@ -1,7 +1,5 @@
-"use strict";
-
-exports.remove = function (node) {
+export function remove(node) {
   return function () {
     return node.remove();
   };
-};
+}
diff --git a/src/Web/DOM/DOMTokenList.js b/src/Web/DOM/DOMTokenList.js
index a8fe4fb..78b6ba8 100644
--- a/src/Web/DOM/DOMTokenList.js
+++ b/src/Web/DOM/DOMTokenList.js
@@ -1,38 +1,36 @@
-"use strict";
-
-exports.add = function(list) {
+export function add(list) {
   return function(token) {
     return function() {
       return list.add(token);
     };
   };
-};
+}
 
-exports.remove = function(list) {
+export function remove(list) {
   return function(token) {
     return function() {
       return list.remove(token);
     };
   };
-};
+}
 
-exports.contains = function(list) {
+export function contains(list) {
   return function(token) {
     return function() {
       return list.contains(token);
     };
   };
-};
+}
 
-exports.toggle = function(list) {
+export function toggle(list) {
   return function(token) {
     return function() {
       return list.toggle(token);
     };
   };
-};
+}
 
-exports.toggleForce = function(list) {
+export function toggleForce(list) {
   return function(token) {
     return function(force) {
       return function() {
@@ -40,12 +38,12 @@ exports.toggleForce = function(list) {
       };
     };
   };
-};
+}
 
-exports._item = function(list) {
+export function _item(list) {
   return function(index) {
     return function() {
       return list.item(index);
     };
   };
-};
+}
diff --git a/src/Web/DOM/Document.js b/src/Web/DOM/Document.js
index 733d713..405f97b 100644
--- a/src/Web/DOM/Document.js
+++ b/src/Web/DOM/Document.js
@@ -1,5 +1,3 @@
-"use strict";
-
 var getEffProp = function (name) {
   return function (doc) {
     return function () {
@@ -8,25 +6,24 @@ var getEffProp = function (name) {
   };
 };
 
-exports.url = getEffProp("URL");
-exports.documentURI = getEffProp("documentURI");
-exports.origin = getEffProp("origin");
-exports.compatMode = getEffProp("compatMode");
-exports.characterSet = getEffProp("characterSet");
-exports.contentType = getEffProp("contentType");
-
-exports._doctype = getEffProp("doctype");
-exports._documentElement = getEffProp("documentElement");
+export const url = getEffProp("URL");
+export const documentURI = getEffProp("documentURI");
+export const origin = getEffProp("origin");
+export const compatMode = getEffProp("compatMode");
+export const characterSet = getEffProp("characterSet");
+export const contentType = getEffProp("contentType");
+export const _doctype = getEffProp("doctype");
+export const _documentElement = getEffProp("documentElement");
 
-exports.getElementsByTagName = function (localName) {
+export function getElementsByTagName(localName) {
   return function (doc) {
     return function () {
       return doc.getElementsByTagName(localName);
     };
   };
-};
+}
 
-exports._getElementsByTagNameNS = function (ns) {
+export function _getElementsByTagNameNS(ns) {
   return function (localName) {
     return function (doc) {
       return function () {
@@ -34,25 +31,25 @@ exports._getElementsByTagNameNS = function (ns) {
       };
     };
   };
-};
+}
 
-exports.getElementsByClassName = function (classNames) {
+export function getElementsByClassName(classNames) {
   return function (doc) {
     return function () {
       return doc.getElementsByClassName(classNames);
     };
   };
-};
+}
 
-exports.createElement = function (localName) {
+export function createElement(localName) {
   return function (doc) {
     return function () {
       return doc.createElement(localName);
     };
   };
-};
+}
 
-exports._createElementNS = function (ns) {
+export function _createElementNS(ns) {
   return function (qualifiedName) {
     return function (doc) {
       return function () {
@@ -60,31 +57,31 @@ exports._createElementNS = function (ns) {
       };
     };
   };
-};
+}
 
-exports.createDocumentFragment = function (doc) {
+export function createDocumentFragment(doc) {
   return function () {
     return doc.createDocumentFragment();
   };
-};
+}
 
-exports.createTextNode = function (data) {
+export function createTextNode(data) {
   return function (doc) {
     return function () {
       return doc.createTextNode(data);
     };
   };
-};
+}
 
-exports.createComment = function (data) {
+export function createComment(data) {
   return function (doc) {
     return function () {
       return doc.createComment(data);
     };
   };
-};
+}
 
-exports.createProcessingInstruction = function (target) {
+export function createProcessingInstruction(target) {
   return function (data) {
     return function (doc) {
       return function () {
@@ -92,9 +89,9 @@ exports.createProcessingInstruction = function (target) {
       };
     };
   };
-};
+}
 
-exports.importNode = function (node) {
+export function importNode(node) {
   return function (deep) {
     return function (doc) {
       return function () {
@@ -102,12 +99,12 @@ exports.importNode = function (node) {
       };
     };
   };
-};
+}
 
-exports.adoptNode = function (node) {
+export function adoptNode(node) {
   return function (doc) {
     return function () {
       return doc.adoptNode(node);
     };
   };
-};
+}
diff --git a/src/Web/DOM/DocumentType.js b/src/Web/DOM/DocumentType.js
index 890ad58..deed260 100644
--- a/src/Web/DOM/DocumentType.js
+++ b/src/Web/DOM/DocumentType.js
@@ -1,11 +1,9 @@
-"use strict";
-
 var getProp = function (name) {
   return function (doctype) {
     return doctype[name];
   };
 };
 
-exports.name = getProp("name");
-exports.publicId = getProp("publicId");
-exports.systemId = getProp("systemId");
+export const name = getProp("name");
+export const publicId = getProp("publicId");
+export const systemId = getProp("systemId");
diff --git a/src/Web/DOM/Element.js b/src/Web/DOM/Element.js
index d8ee8eb..96b1dde 100644
--- a/src/Web/DOM/Element.js
+++ b/src/Web/DOM/Element.js
@@ -1,59 +1,57 @@
-"use strict";
-
 var getProp = function (name) {
   return function (doctype) {
     return doctype[name];
   };
 };
 
-exports._namespaceURI = getProp("namespaceURI");
-exports._prefix = getProp("prefix");
-exports.localName = getProp("localName");
-exports.tagName = getProp("tagName");
+export const _namespaceURI = getProp("namespaceURI");
+export const _prefix = getProp("prefix");
+export const localName = getProp("localName");
+export const tagName = getProp("tagName");
 
-exports.id = function (node) {
+export function id(node) {
   return function () {
     return node.id;
   };
-};
+}
 
-exports.setId = function (id) {
+export function setId(id) {
   return function (node) {
     return function () {
       node.id = id;
     };
   };
-};
+}
 
-exports.className = function (node) {
+export function className(node) {
   return function () {
     return node.className;
   };
-};
+}
 
-exports.classList = function (element) {
+export function classList(element) {
   return function () {
     return element.classList;
   };
-};
+}
 
-exports.setClassName = function (className) {
+export function setClassName(className) {
   return function (node) {
     return function () {
       node.className = className;
     };
   };
-};
+}
 
-exports.getElementsByTagName = function (localName) {
+export function getElementsByTagName(localName) {
   return function (doc) {
     return function () {
       return doc.getElementsByTagName(localName);
     };
   };
-};
+}
 
-exports._getElementsByTagNameNS = function (ns) {
+export function _getElementsByTagNameNS(ns) {
   return function (localName) {
     return function (doc) {
       return function () {
@@ -61,17 +59,17 @@ exports._getElementsByTagNameNS = function (ns) {
       };
     };
   };
-};
+}
 
-exports.getElementsByClassName = function (classNames) {
+export function getElementsByClassName(classNames) {
   return function (doc) {
     return function () {
       return doc.getElementsByClassName(classNames);
     };
   };
-};
+}
 
-exports.setAttribute = function (name) {
+export function setAttribute(name) {
   return function (value) {
     return function (element) {
       return function () {
@@ -79,118 +77,118 @@ exports.setAttribute = function (name) {
       };
     };
   };
-};
+}
 
-exports._getAttribute = function (name) {
+export function _getAttribute(name) {
   return function (element) {
     return function () {
       return element.getAttribute(name);
     };
   };
-};
+}
 
-exports.hasAttribute = function(name) {
+export function hasAttribute(name) {
   return function (element) {
     return function () {
       return element.hasAttribute(name);
     };
   };
-};
+}
 
-exports.removeAttribute = function (name) {
+export function removeAttribute(name) {
   return function (element) {
     return function () {
       element.removeAttribute(name);
     };
   };
-};
+}
 
-exports.matches = function (selector) {
+export function matches(selector) {
   return function(element) {
     return function () {
       return element.matches(selector);
     };
   };
-};
+}
 
-exports._closest = function (selector) {
+export function _closest(selector) {
   return function(element) {
     return function () {
       return element.closest(selector);
     };
   };
-};
+}
 
 // - CSSOM ---------------------------------------------------------------------
 
-exports.scrollTop = function (node) {
+export function scrollTop(node) {
   return function () {
     return node.scrollTop;
   };
-};
+}
 
-exports.setScrollTop = function (scrollTop) {
+export function setScrollTop(scrollTop) {
   return function (node) {
     return function () {
       node.scrollTop = scrollTop;
     };
   };
-};
+}
 
-exports.scrollLeft = function (node) {
+export function scrollLeft(node) {
   return function () {
     return node.scrollLeft;
   };
-};
+}
 
-exports.setScrollLeft = function (scrollLeft) {
+export function setScrollLeft(scrollLeft) {
   return function (node) {
     return function () {
       node.scrollLeft = scrollLeft;
     };
   };
-};
+}
 
-exports.scrollWidth = function (el) {
+export function scrollWidth(el) {
   return function () {
     return el.scrollWidth;
   };
-};
+}
 
-exports.scrollHeight = function (el) {
+export function scrollHeight(el) {
   return function () {
     return el.scrollHeight;
   };
-};
+}
 
-exports.clientTop = function (el) {
+export function clientTop(el) {
   return function () {
     return el.clientTop;
   };
-};
+}
 
-exports.clientLeft = function (el) {
+export function clientLeft(el) {
   return function () {
     return el.clientLeft;
   };
-};
+}
 
-exports.clientWidth = function (el) {
+export function clientWidth(el) {
   return function () {
     return el.clientWidth;
   };
-};
+}
 
-exports.clientHeight = function (el) {
+export function clientHeight(el) {
   return function () {
     return el.clientHeight;
   };
-};
+}
 
-exports._attachShadow = function(props) {
+export function _attachShadow(props) {
   return function (el) {
     return function() {
       return el.attachShadow(props);
     };
   };
-};
+}
diff --git a/src/Web/DOM/HTMLCollection.js b/src/Web/DOM/HTMLCollection.js
index 84a1068..46b9689 100644
--- a/src/Web/DOM/HTMLCollection.js
+++ b/src/Web/DOM/HTMLCollection.js
@@ -1,29 +1,27 @@
-"use strict";
-
-exports.length = function (list) {
+export function length(list) {
   return function () {
     return list.length;
   };
-};
+}
 
-exports.toArray = function (list) {
+export function toArray(list) {
   return function () {
     return [].slice.call(list);
   };
-};
+}
 
-exports._item = function (index) {
+export function _item(index) {
   return function (list) {
     return function () {
       return list.item(index);
     };
   };
-};
+}
 
-exports._namedItem = function (name) {
+export function _namedItem(name) {
   return function (list) {
     return function () {
       return list.namedItem(name);
     };
   };
-};
+}
diff --git a/src/Web/DOM/MutationObserver.js b/src/Web/DOM/MutationObserver.js
index 29523b5..d6330d3 100644
--- a/src/Web/DOM/MutationObserver.js
+++ b/src/Web/DOM/MutationObserver.js
@@ -1,14 +1,12 @@
-"use strict";
-
-exports.mutationObserver = function (cb) {
+export function mutationObserver(cb) {
   return function () {
     return new MutationObserver(function (mr, mo) {
       return cb(mr)(mo)();
     });
   };
-};
+}
 
-exports._observe = function (node) {
+export function _observe(node) {
   return function (config) {
     return function (mo) {
       return function () {
@@ -16,16 +14,16 @@ exports._observe = function (node) {
       };
     };
   };
-};
+}
 
-exports.disconnect = function (mo) {
+export function disconnect(mo) {
   return function () {
     return mo.disconnect();
   };
-};
+}
 
-exports.takeRecords = function (mo) {
+export function takeRecords(mo) {
   return function () {
     return mo.takeRecords();
   };
-};
+}
diff --git a/src/Web/DOM/MutationRecord.js b/src/Web/DOM/MutationRecord.js
index 8840546..e39c902 100644
--- a/src/Web/DOM/MutationRecord.js
+++ b/src/Web/DOM/MutationRecord.js
@@ -1,55 +1,53 @@
-"use strict";
-
-exports.typeString = function (mr) {
+export function typeString(mr) {
   return function () {
     return mr.type;
   };
-};
+}
 
-exports.target = function (mr) {
+export function target(mr) {
   return function () {
     return mr.target;
   };
-};
+}
 
-exports.addedNodes = function (mr) {
+export function addedNodes(mr) {
   return function () {
     return mr.addedNodes;
   };
-};
+}
 
-exports.removedNodes = function (mr) {
+export function removedNodes(mr) {
   return function () {
     return mr.removedNodes;
   };
-};
+}
 
-exports._nextSibling = function (mr) {
+export function _nextSibling(mr) {
   return function () {
     return mr.nextSibling;
   };
-};
+}
 
-exports._previousSibling = function (mr) {
+export function _previousSibling(mr) {
   return function () {
     return mr.previousSibling;
   };
-};
+}
 
-exports._attributeName = function (mr) {
+export function _attributeName(mr) {
   return function () {
     return mr.attributeName;
   };
-};
+}
 
-exports._attributeNamespace = function (mr) {
+export function _attributeNamespace(mr) {
   return function () {
     return mr.attributeNamespace;
   };
-};
+}
 
-exports._oldValue = function (mr) {
+export function _oldValue(mr) {
   return function () {
     return mr.oldValue;
   };
-};
+}
diff --git a/src/Web/DOM/Node.js b/src/Web/DOM/Node.js
index 9a35b57..166b358 100644
--- a/src/Web/DOM/Node.js
+++ b/src/Web/DOM/Node.js
@@ -1,5 +1,3 @@
-"use strict";
-
 var getEffProp = function (name) {
   return function (node) {
     return function () {
@@ -8,125 +6,117 @@ var getEffProp = function (name) {
   };
 };
 
-exports.nodeTypeIndex = function (node) {
+export function nodeTypeIndex(node) {
   return node.nodeType;
-};
+}
 
-exports.nodeName = function (node) {
+export function nodeName(node) {
   return node.nodeName;
-};
-
-exports.baseURI = getEffProp("baseURI");
+}
 
-exports._ownerDocument = getEffProp("ownerDocument");
+export const baseURI = getEffProp("baseURI");
+export const _ownerDocument = getEffProp("ownerDocument");
+export const _parentNode = getEffProp("parentNode");
+export const _parentElement = getEffProp("parentElement");
 
-exports._parentNode = getEffProp("parentNode");
-
-exports._parentElement = getEffProp("parentElement");
-
-exports.hasChildNodes = function (node) {
+export function hasChildNodes(node) {
   return function () {
     return node.hasChildNodes();
   };
-};
+}
 
-exports.childNodes = getEffProp("childNodes");
+export const childNodes = getEffProp("childNodes");
+export const _firstChild = getEffProp("firstChild");
+export const _lastChild = getEffProp("lastChild");
+export const _previousSibling = getEffProp("previousSibling");
+export const _nextSibling = getEffProp("nextSibling");
+export const _nodeValue = getEffProp("nodeValue");
 
-exports._firstChild = getEffProp("firstChild");
-
-exports._lastChild = getEffProp("lastChild");
-
-exports._previousSibling = getEffProp("previousSibling");
-
-exports._nextSibling = getEffProp("nextSibling");
-
-exports._nodeValue = getEffProp("nodeValue");
-
-exports.setNodeValue = function (value) {
+export function setNodeValue(value) {
   return function (node) {
     return function () {
       node.nodeValue = value;
     };
   };
-};
+}
 
-exports.textContent = getEffProp("textContent");
+export const textContent = getEffProp("textContent");
 
-exports.setTextContent = function (value) {
+export function setTextContent(value) {
   return function (node) {
     return function () {
       node.textContent = value;
     };
   };
-};
+}
 
-exports.normalize = function (node) {
+export function normalize(node) {
   return function () {
     node.normalize();
   };
-};
+}
 
-exports.clone = function (node) {
+export function clone(node) {
   return function () {
     return node.cloneNode(false);
   };
-};
+}
 
-exports.deepClone = function (node) {
+export function deepClone(node) {
   return function () {
     return node.cloneNode(true);
   };
-};
+}
 
-exports.isEqualNode = function (node1) {
+export function isEqualNode(node1) {
   return function (node2) {
     return function () {
       return node1.isEqualNode(node2);
     };
   };
-};
+}
 
-exports.compareDocumentPositionBits = function (node1) {
+export function compareDocumentPositionBits(node1) {
   return function (node2) {
     return function () {
       return node1.compareDocumentPosition(node2);
     };
   };
-};
+}
 
-exports.contains = function (node1) {
+export function contains(node1) {
   return function (node2) {
     return function () {
       return node1.contains(node2);
     };
   };
-};
+}
 
-exports._lookupPrefix = function (prefix) {
+export function _lookupPrefix(prefix) {
   return function (node) {
     return function () {
       return node.lookupPrefix(prefix);
     };
   };
-};
+}
 
-exports._lookupNamespaceURI = function (ns) {
+export function _lookupNamespaceURI(ns) {
   return function (node) {
     return function () {
       return node.lookupNamespaceURI(ns);
     };
   };
-};
+}
 
-exports.isDefaultNamespace = function (ns) {
+export function isDefaultNamespace(ns) {
   return function (node) {
     return function () {
       return node.isDefaultNamespace(ns);
     };
   };
-};
+}
 
-exports.insertBefore = function (node1) {
+export function insertBefore(node1) {
   return function (node2) {
     return function (parent) {
       return function () {
@@ -134,17 +124,17 @@ exports.insertBefore = function (node1) {
       };
     };
   };
-};
+}
 
-exports.appendChild = function (node) {
+export function appendChild(node) {
   return function (parent) {
     return function () {
       parent.appendChild(node);
     };
   };
-};
+}
 
-exports.replaceChild = function (newChild) {
+export function replaceChild(newChild) {
   return function (oldChild) {
     return function (parent) {
       return function () {
@@ -152,12 +142,12 @@ exports.replaceChild = function (newChild) {
       };
     };
   };
-};
+}
 
-exports.removeChild = function (node) {
+export function removeChild(node) {
   return function (parent) {
     return function () {
       parent.removeChild(node);
     };
   };
-};
+}
diff --git a/src/Web/DOM/NodeList.js b/src/Web/DOM/NodeList.js
index 5067a08..4c76cb5 100644
--- a/src/Web/DOM/NodeList.js
+++ b/src/Web/DOM/NodeList.js
@@ -1,21 +1,19 @@
-"use strict";
-
-exports.length = function (list) {
+export function length(list) {
   return function () {
     return list.length;
   };
-};
+}
 
-exports.toArray = function (list) {
+export function toArray(list) {
   return function () {
     return [].slice.call(list);
   };
-};
+}
 
-exports._item = function (index) {
+export function _item(index) {
   return function (list) {
     return function () {
       return list.item(index);
     };
   };
-};
+}
diff --git a/src/Web/DOM/NonDocumentTypeChildNode.js b/src/Web/DOM/NonDocumentTypeChildNode.js
index cf0387d..3567560 100644
--- a/src/Web/DOM/NonDocumentTypeChildNode.js
+++ b/src/Web/DOM/NonDocumentTypeChildNode.js
@@ -1,13 +1,11 @@
-"use strict";
-
-exports._previousElementSibling = function (node) {
+export function _previousElementSibling(node) {
   return function () {
     return node.previousElementSibling;
   };
-};
+}
 
-exports._nextElementSibling = function (node) {
+export function _nextElementSibling(node) {
   return function () {
     return node.nextElementSibling;
   };
-};
+}
diff --git a/src/Web/DOM/NonElementParentNode.js b/src/Web/DOM/NonElementParentNode.js
index 9ee9583..7a8763d 100644
--- a/src/Web/DOM/NonElementParentNode.js
+++ b/src/Web/DOM/NonElementParentNode.js
@@ -1,9 +1,7 @@
-"use strict";
-
-exports._getElementById = function (id) {
+export function _getElementById(id) {
   return function (node) {
     return function () {
       return node.getElementById(id);
     };
   };
-};
+}
diff --git a/src/Web/DOM/ParentNode.js b/src/Web/DOM/ParentNode.js
index db149e9..3989e0b 100644
--- a/src/Web/DOM/ParentNode.js
+++ b/src/Web/DOM/ParentNode.js
@@ -1,5 +1,3 @@
-"use strict";
-
 var getEffProp = function (name) {
   return function (node) {
     return function () {
@@ -8,26 +6,23 @@ var getEffProp = function (name) {
   };
 };
 
-exports.children = getEffProp("children");
-
-exports._firstElementChild = getEffProp("firstElementChild");
-
-exports._lastElementChild = getEffProp("lastElementChild");
+export const children = getEffProp("children");
+export const _firstElementChild = getEffProp("firstElementChild");
+export const _lastElementChild = getEffProp("lastElementChild");
+export const childElementCount = getEffProp("childElementCount");
 
-exports.childElementCount = getEffProp("childElementCount");
-
-exports._querySelector = function (selector) {
+export function _querySelector(selector) {
   return function (node) {
     return function () {
       return node.querySelector(selector);
     };
   };
-};
+}
 
-exports.querySelectorAll = function (selector) {
+export function querySelectorAll(selector) {
   return function (node) {
     return function () {
       return node.querySelectorAll(selector);
     };
   };
-};
+}
diff --git a/src/Web/DOM/ProcessingInstruction.js b/src/Web/DOM/ProcessingInstruction.js
index 0984961..548e19e 100644
--- a/src/Web/DOM/ProcessingInstruction.js
+++ b/src/Web/DOM/ProcessingInstruction.js
@@ -1,7 +1,5 @@
-"use strict";
-
-exports.target = function (pi) {
+export function target(pi) {
   return function () {
     return pi.target;
   };
-};
+}
diff --git a/src/Web/DOM/ShadowRoot.js b/src/Web/DOM/ShadowRoot.js
index 24a0cba..43c0dc1 100644
--- a/src/Web/DOM/ShadowRoot.js
+++ b/src/Web/DOM/ShadowRoot.js
@@ -1,11 +1,9 @@
-"use strict";
-
-exports._mode = function (el) {
+export function _mode(el) {
   return el.mode;
-};
+}
 
-exports.host = function (el) {
+export function host(el) {
   return function() {
     return el.host;
   };
-};
+}
diff --git a/src/Web/DOM/Text.js b/src/Web/DOM/Text.js
index 8b4c1cf..aae3ceb 100644
--- a/src/Web/DOM/Text.js
+++ b/src/Web/DOM/Text.js
@@ -1,15 +1,13 @@
-"use strict";
-
-exports.splitText = function (offset) {
+export function splitText(offset) {
   return function (t) {
     return function () {
       return t.splitText(offset);
     };
   };
-};
+}
 
-exports.wholeText = function (t) {
+export function wholeText(t) {
   return function () {
     return t.wholeText;
   };
-};
+}