diff --git a/src/columnmanager.js b/src/columnmanager.js
index 4b2f749..fcfbaac 100644
--- a/src/columnmanager.js
+++ b/src/columnmanager.js
@@ -78,9 +78,13 @@ export default class ColumnManager {
             }
         });
 
-        $.on(document.body, 'click', (e) => {
+        const deactivateDropdownOnBodyClick = (e) => {
             if (e.target.matches(toggleClass)) return;
             deactivateDropdown();
+        };
+        $.on(document.body, 'click', deactivateDropdownOnBodyClick);
+        this.instance.on('onDestroy', () => {
+            $.off(document.body, 'click', deactivateDropdownOnBodyClick);
         });
 
         const dropdownItems = this.options.headerDropdown;
@@ -126,7 +130,7 @@ export default class ColumnManager {
             startX = e.pageX;
         });
 
-        $.on(document.body, 'mouseup', (e) => {
+        const onMouseup = (e) => {
             document.body.classList.remove('dt-resize');
             if (!$resizingCell) return;
             isDragging = false;
@@ -137,9 +141,13 @@ export default class ColumnManager {
             this.setColumnWidth(colIndex);
             this.style.setBodyStyle();
             $resizingCell = null;
+        };
+        $.on(document.body, 'mouseup', onMouseup);
+        this.instance.on('onDestroy', () => {
+            $.off(document.body, 'mouseup', onMouseup);
         });
 
-        $.on(document.body, 'mousemove', (e) => {
+        const onMouseMove = (e) => {
             if (!isDragging) return;
             const finalWidth = startWidth + (e.pageX - startX);
             const {
@@ -154,6 +162,10 @@ export default class ColumnManager {
                 width: finalWidth
             });
             this.setColumnHeaderWidth(colIndex);
+        };
+        $.on(document.body, 'mousemove', onMouseMove);
+        this.instance.on('onDestroy', () => {
+            $.off(document.body, 'mousemove', onMouseMove);
         });
     }
 
diff --git a/src/datatable.js b/src/datatable.js
index 8761c8a..8abebee 100644
--- a/src/datatable.js
+++ b/src/datatable.js
@@ -100,6 +100,7 @@ class DataTable {
     destroy() {
         this.wrapper.innerHTML = '';
         this.style.destroy();
+        this.fireEvent('onDestroy');
     }
 
     appendRows(rows) {
@@ -193,7 +194,22 @@ class DataTable {
     }
 
     fireEvent(eventName, ...args) {
-        this.events[eventName].apply(this, args);
+        // fire internalEventHandlers if any
+        // and then user events
+        const handlers = [
+            ...(this._internalEventHandlers[eventName] || []),
+            this.events[eventName]
+        ].filter(Boolean);
+
+        for (let handler of handlers) {
+            handler.apply(this, args);
+        }
+    }
+
+    on(event, handler) {
+        this._internalEventHandlers = this._internalEventHandlers || {};
+        this._internalEventHandlers[event] = this._internalEventHandlers[event] || [];
+        this._internalEventHandlers[event].push(handler);
     }
 
     log() {
diff --git a/src/defaults.js b/src/defaults.js
index f4c4e5c..6742c98 100644
--- a/src/defaults.js
+++ b/src/defaults.js
@@ -32,7 +32,8 @@ export default {
         onRemoveColumn(column) {},
         onSwitchColumn(column1, column2) {},
         onSortColumn(column) {},
-        onCheckRow(row) {}
+        onCheckRow(row) {},
+        onDestroy() {}
     },
     sortIndicator: {
         asc: '↑',
diff --git a/src/style.js b/src/style.js
index f285b3b..f06bc24 100644
--- a/src/style.js
+++ b/src/style.js
@@ -30,18 +30,24 @@ export default class Style {
     }
 
     bindResizeWindow() {
+        this.onWindowResize = this.onWindowResize.bind(this);
+        this.onWindowResize = throttle(this.onWindowResize, 300);
+
         if (this.options.layout === 'fluid') {
-            $.on(window, 'resize', throttle(() => {
-                this.distributeRemainingWidth();
-                this.refreshColumnWidth();
-                this.compensateScrollbarWidth();
-                this.setBodyStyle();
-            }, 300));
+            $.on(window, 'resize', this.onWindowResize);
         }
     }
 
+    onWindowResize() {
+        this.distributeRemainingWidth();
+        this.refreshColumnWidth();
+        this.compensateScrollbarWidth();
+        this.setBodyStyle();
+    }
+
     destroy() {
         this.styleEl.remove();
+        $.off(window, 'resize', this.onWindowResize);
     }
 
     setStyle(selector, styleObject) {