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20. High-level API Reference
YDataLogger
datalogger
→
isOnline()
Checks if the data logger is currently reachable, without raising any error.
js
function isOnline( )
nodejs
function isOnline( )
cpp
bool isOnline( )
m
-(BOOL) isOnline
pas
function isOnline( ): boolean
vb
function isOnline( ) As Boolean
cs
bool isOnline( )
java
boolean isOnline( )
py
def isOnline( )
php
function isOnline( )
es
function isOnline( )
If there is a cached value for the data logger in cache, that has not yet expired, the device is considered
reachable. No exception is raised if there is an error while trying to contact the device hosting the data
logger.
Returns :
true
if the data logger can be reached, and
false
otherwise
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