Delete Key Value¶
Description¶
This operation deletes specific values from a list.
Method¶
Backendless.Hive(hiveName).ListStore(keyName).deleteValue(value, count): Promise<number>;
where:
Argument | Description |
---|---|
hiveName |
Name of a hive where the operation is performed. String value. |
keyName |
Key name identifying a list. String value. |
value |
Value to delete from the list. Can be of any JavaScript data type. |
count |
Optional parameter. Defaults to 1. Identifies the number of duplicate items to delete from the list. |
Return Value¶
The number of deleted items.
Example¶
The example below deletes 2
identical values 'Bob'
from the 'blockList'
list if they exist. At least 1
item and at most 2 duplicate items are deleted.
await Backendless.Hive('demoHive').ListStore('blockList').deleteValue('Bob', 2)
where:
Argument | Description |
---|---|
'demoHive' |
Name of a hive where the operation is performed. |
'blockList' |
Key name identifying a list to delete values. |
'Bob' |
Value to delete. |
Codeless Reference
¶
where:
Argument | Description |
---|---|
hive name |
Name of a hive where the operation is performed. |
key name |
Key name identifying a list. |
value |
Value that must be deleted from the list. |
count |
Specify the number of duplicate items to delete. |
The number of deleted items.
Consider the following List storage:
The example below deletes one item "value2"
from the list.