Fixes Microsoft/monaco-editor#1191

src/vs/base/browser/dom.ts

@@ -20,6 +20,12 @@ export function clearNode(node: HTMLElement): void {
 	}
 }
 
+export function removeNode(node: HTMLElement): void {
+	if (node.parentNode) {
+		node.parentNode.removeChild(node);
+	}
+}
+
 export function isInDOM(node: Node | null): boolean {
 	while (node) {
 		if (node === document.body) {

src/vs/base/browser/ui/actionbar/actionbar.ts

@@ -206,7 +206,7 @@ export class BaseActionItem extends Disposable implements IActionItem {
 
 	dispose(): void {
 		if (this.element) {
-			this.element.remove();
+			DOM.removeNode(this.element);
 			this.element = null;
 		}
 
@@ -726,7 +726,7 @@ export class ActionBar extends Disposable implements IActionRunner {
 		for (let i = 0; i < this.items.length; i++) {
 			let item = this.items[i];
 
-			let actionItem = item;
+			let actionItem = <any>item;
 
 			if (i === this.focusedItem) {
 				if (types.isFunction(actionItem.isEnabled)) {
@@ -775,7 +775,7 @@ export class ActionBar extends Disposable implements IActionRunner {
 		}
 		this.items = null;
 
-		this.getContainer().remove();
+		DOM.removeNode(this.getContainer());
 
 		super.dispose();
 	}