diff --git a/aliases b/aliases
index a5d114f9..88f5244a 100644
--- a/aliases
+++ b/aliases
@@ -205,6 +205,8 @@ alias kill9="killall -9" # kills process by name, e.g. kill9 cmus
 alias npm_upgrade="doas npm install --location=global npm@latest"
 alias {pacquery,pacgrep,pacq}="pacman -Q | grep $1"
 alias npm_list="find /usr/lib/node_modules -maxdepth 1 | sed -r 's/^\/usr\/lib\/node_modules\///g"
+# useful alias for recursively testing .test.js files on save
+alias jester="jest --watchAll"
 alias pip_upgrade="python -m pip install --upgrade pip"
 alias rust_upgrade="rustup update"
 alias nb="newsboat"