Use a better console-clearing string on Windows (#5251)

* Use a better console-clearing string on Windows

* Update CHANGELOG.md

Author: gaearon

CHANGELOG.md

@@ -21,6 +21,8 @@
   custom matchers. ([#5162](https://github.com/facebook/jest/pull/5162))
 * `[pretty-format]` Pretty format for DOMStringMap and NamedNodeMap
   ([#5233](https://github.com/facebook/jest/pull/5233))
+* `[jest-cli]` Use a better console-clearing string on Windows
+  ([#5251](https://github.com/facebook/jest/pull/5251))
 
 ### Features
 

packages/jest-cli/src/constants.js

@@ -9,7 +9,7 @@
 
 const isWindows = process.platform === 'win32';
 
-export const CLEAR = isWindows ? '\x1Bc' : '\x1B[2J\x1B[3J\x1B[H';
+export const CLEAR = isWindows ? '\x1B[2J\x1B[0f' : '\x1B[2J\x1B[3J\x1B[H';
 
 export const KEYS = {
   A: '61',