Github user varunsob commented on a diff in the pull request:
https://github.com/apache/incubator-weex-site/pull/135#discussion_r181968835
--- Diff: source/references/weex-variable.md ---
@@ -160,3 +160,36 @@ weex.supports('module/*') // null
weex.supports('@stream/fetch') // null
weex.supports('getComponentRect') // null
```
+
+## `weex.isRegisteredModule`
+
+Detect whether the specific module or method is registered.
+
+```js
+weex.weex.isRegisteredModule(moduleName: string, methodName: string):
boolean
+```
+
+It can only be used to check the compatibility of the specific module or
method, not support components.
--- End diff --
Suggestion: It can only be used to check compatibility of a specific module
or method. Checking compatibility of components is not supported.
---
