diff --git a/lua/custom/dap/adapters/firefox.lua b/lua/custom/dap/adapters/firefox.lua
new file mode 100644
index 00000000..d310545b
--- /dev/null
+++ b/lua/custom/dap/adapters/firefox.lua
@@ -0,0 +1,10 @@
+local dap = require("dap")
+
+dap.adapters.firefox = {
+    type = "executable",
+    command = "node",
+    args = {
+        vim.fn.stdpath("data") ..
+        "/mason/packages/firefox-debug-adapter" ..
+        "/dist/adapter.bundle.js" },
+}
diff --git a/lua/custom/dap/adapters/init.lua b/lua/custom/dap/adapters/init.lua
index 303e3273..32993900 100644
--- a/lua/custom/dap/adapters/init.lua
+++ b/lua/custom/dap/adapters/init.lua
@@ -2,3 +2,4 @@ require('custom.dap.adapters.cpptools')
 require('custom.dap.adapters.codelldb')
 require('custom.dap.adapters.lldb-vscode')
 require('custom.dap.adapters.pwa-node')
+require('custom.dap.adapters.firefox')
diff --git a/lua/custom/dap/config/firefox.lua b/lua/custom/dap/config/firefox.lua
new file mode 100644
index 00000000..f2d46ce0
--- /dev/null
+++ b/lua/custom/dap/config/firefox.lua
@@ -0,0 +1,12 @@
+local dap = require("dap")
+
+local launch = {
+    name = 'Debug index.html with Firefox',
+    type = 'firefox',
+    request = 'launch',
+    reAttach = true,
+    file = "${workspaceFolder}/index.html",
+}
+
+table.insert(dap.configurations.javascript, launch)
+table.insert(dap.configurations.typescript, launch)
diff --git a/lua/custom/dap/config/init.lua b/lua/custom/dap/config/init.lua
index 9cfe92df..217771a9 100644
--- a/lua/custom/dap/config/init.lua
+++ b/lua/custom/dap/config/init.lua
@@ -7,3 +7,4 @@ dap_vscode.load_launchjs(nil, {
 })
 
 require('custom.dap.config.pwa-node')
+require('custom.dap.config.firefox')
diff --git a/lua/custom/dap/config/pwa-node.lua b/lua/custom/dap/config/pwa-node.lua
index f941b869..d1a3cead 100644
--- a/lua/custom/dap/config/pwa-node.lua
+++ b/lua/custom/dap/config/pwa-node.lua
@@ -4,17 +4,19 @@ local dap_utils = require("dap.utils")
 local launch = {
     type = "pwa-node",
     request = "launch",
-    name = "Launch file",
+    name = "(pwa-node) Launch file",
     program = "${file}",
     cwd = "${workspaceFolder}",
 }
 local attach = {
     type = "pwa-node",
     request = "attach",
-    name = "Attach",
+    name = "(pwa-node) Attach",
     processId = dap_utils.pick_process,
     cwd = "${workspaceFolder}",
 }
 
-dap.configurations.javascript = { launch, attach }
-dap.configurations.typescript = { launch, attach }
+table.insert(dap.configurations.javascript, launch)
+table.insert(dap.configurations.javascript, attach)
+table.insert(dap.configurations.typescript, launch)
+table.insert(dap.configurations.typescript, attach)