diff --git a/README.md b/README.md
index b025c66..9cc3224 100644
--- a/README.md
+++ b/README.md
@@ -34,7 +34,7 @@ go install github.com/wux1an/wxapkg@latest
 
 - [x] scan more information (need networking）
 - [x] json beautify
-- [ ] javascript beautify
+- [x] javascript beautify
 - [x] html beautify
 - [ ] auto export uri in files
 
diff --git a/cmd/unpack.go b/cmd/unpack.go
index 01649b2..3a9569f 100644
--- a/cmd/unpack.go
+++ b/cmd/unpack.go
@@ -8,6 +8,7 @@ import (
 	"encoding/binary"
 	"errors"
 	"fmt"
+	"github.com/ditashi/jsbeautifier-go/jsbeautifier"
 	"github.com/fatih/color"
 	"github.com/spf13/cobra"
 	"github.com/tidwall/pretty"
@@ -198,8 +199,15 @@ func fileBeautify(name string, data []byte) (result []byte) {
 	switch ext {
 	case ".json":
 		result = pretty.Pretty(data)
-	case ".html":
-		result = gohtml.FormatBytes(data)
+	case ".html": // todo beautify js code in html
+		result = gohtml.FormatBytes(bytes.TrimSpace(data)) // remove leading whitespace
+	case ".js":
+		var code = string(bytes.TrimSpace(data)) // remove leading whitespace
+		options := jsbeautifier.DefaultOptions()
+		beautify, err := jsbeautifier.Beautify(&code, options)
+		if err == nil {
+			result = []byte(beautify)
+		}
 	}
 
 	return result
diff --git a/go.mod b/go.mod
index d814a01..8df33c2 100644
--- a/go.mod
+++ b/go.mod
@@ -18,6 +18,7 @@ require (
 	github.com/aymanbagabas/go-osc52/v2 v2.0.1 // indirect
 	github.com/charmbracelet/harmonica v0.2.0 // indirect
 	github.com/containerd/console v1.0.4-0.20230313162750-1ae8d489ac81 // indirect
+	github.com/ditashi/jsbeautifier-go v0.0.0-20141206144643-2520a8026a9c // indirect
 	github.com/inconshreveable/mousetrap v1.1.0 // indirect
 	github.com/lucasb-eyer/go-colorful v1.2.0 // indirect
 	github.com/mattn/go-colorable v0.1.13 // indirect
diff --git a/go.sum b/go.sum
index 0880142..74167da 100644
--- a/go.sum
+++ b/go.sum
@@ -16,6 +16,8 @@ github.com/containerd/console v1.0.3/go.mod h1:7LqA/THxQ86k76b8c/EMSiaJ3h1eZkMkX
 github.com/containerd/console v1.0.4-0.20230313162750-1ae8d489ac81 h1:q2hJAaP1k2wIvVRd/hEHD7lacgqrCPS+k8g1MndzfWY=
 github.com/containerd/console v1.0.4-0.20230313162750-1ae8d489ac81/go.mod h1:YynlIjWYF8myEu6sdkwKIvGQq+cOckRm6So2avqoYAk=
 github.com/cpuguy83/go-md2man/v2 v2.0.2/go.mod h1:tgQtvFlXSQOSOSIRvRPT7W67SCa46tRHOmNcaadrF8o=
+github.com/ditashi/jsbeautifier-go v0.0.0-20141206144643-2520a8026a9c h1:+Zo5Ca9GH0RoeVZQKzFJcTLoAixx5s5Gq3pTIS+n354=
+github.com/ditashi/jsbeautifier-go v0.0.0-20141206144643-2520a8026a9c/go.mod h1:HJGU9ULdREjOcVGZVPB5s6zYmHi1RxzT71l2wQyLmnE=
 github.com/fatih/color v1.15.0 h1:kOqh6YHBtK8aywxGerMG2Eq3H6Qgoqeo13Bk2Mv/nBs=
 github.com/fatih/color v1.15.0/go.mod h1:0h5ZqXfHYED7Bhv2ZJamyIOUej9KtShiJESRwBDUSsw=
 github.com/inconshreveable/mousetrap v1.1.0 h1:wN+x4NVGpMsO7ErUn/mUI3vEoE6Jt13X2s0bqwp9tc8=