

# JSON.CLEAR
<a name="json-clear"></a>

Clear the arrays or an objects at the path.

Syntax

```
JSON.CLEAR <key> [path]
```
+ key (required) – key of JSON document type
+ path (optional) – a JSON path. Defaults to the root if not provided

**Return**
+ Integer, the number of containers cleared.
+ Clearing an empty array or object accounts for 0 container cleared.
**Note**  
Prior to Redis OSS version 6.2.6.R2, clearing an empty array or object accounts for 1 container cleared.
+ Clearing a non-container value returns 0.
+ If no array or object value is located by the path, the command returns 0.

**Examples**

```
127.0.0.1:6379> JSON.SET k1 . '[[], [0], [0,1], [0,1,2], 1, true, null, "d"]'
OK
127.0.0.1:6379>  JSON.CLEAR k1  $[*]
(integer) 6
127.0.0.1:6379> JSON.CLEAR k1  $[*]
(integer) 0
127.0.0.1:6379> JSON.SET k2 . '{"children": ["John", "Jack", "Tom", "Bob", "Mike"]}'
OK
127.0.0.1:6379> JSON.CLEAR k2 .children
(integer) 1
127.0.0.1:6379> JSON.GET k2 .children
"[]"
```