diff --git a/src/vs/editor/browser/config/charWidthReader.ts b/src/vs/editor/browser/config/charWidthReader.ts
index a578ce29186..601a8ae8ad7 100644
--- a/src/vs/editor/browser/config/charWidthReader.ts
+++ b/src/vs/editor/browser/config/charWidthReader.ts
@@ -93,8 +93,7 @@ class DomCharWidthReader {
 		container.appendChild(italicDomNode);
 
 		const testElements: HTMLSpanElement[] = [];
-		for (let i = 0, len = this._requests.length; i < len; i++) {
-			const request = this._requests[i];
+		for (const request of this._requests) {
 
 			let parent: HTMLElement;
 			if (request.type === CharWidthRequestType.Regular) {
@@ -113,7 +112,7 @@ class DomCharWidthReader {
 			DomCharWidthReader._render(testElement, request);
 			parent!.appendChild(testElement);
 
-			testElements[i] = testElement;
+			testElements.push(testElement);
 		}
 
 		this._container = container;