diff --git a/CHANGES.md b/CHANGES.md
index 33a9b2b72..8a3a83d29 100644
--- a/CHANGES.md
+++ b/CHANGES.md
@@ -37,6 +37,7 @@ Release Notes.
 * Add component ID for Python pyramid plugin server.
 * Add component ID for NodeJS Axios plugin.
 * Fix searchService method error in storage-influxdb-plugin.
+* Add JavaScript component ID.
 
 #### UI
 * Fix un-removed tags in trace query.
diff --git a/oap-server/server-bootstrap/src/main/resources/component-libraries.yml b/oap-server/server-bootstrap/src/main/resources/component-libraries.yml
index 836e8307b..51cd0c45c 100755
--- a/oap-server/server-bootstrap/src/main/resources/component-libraries.yml
+++ b/oap-server/server-bootstrap/src/main/resources/component-libraries.yml
@@ -513,6 +513,15 @@ EnvoyProxy:
   id: 9000
   languages: C++
 
+# Javascript components
+# [10000, 11000) for Javascript agent
+JavaScript:
+  id: 10000
+  languages: JavaScript
+ajax:
+  id: 10001
+  languages: JavaScript
+
 # Component Server mapping defines the server display names of some components
 # e.g.
 # Jedis is a client library in Java for Redis server