Deprecated: This feature is no longer recommended. Though some browsers might still support it, it may have already been removed from the relevant web standards, may be in the process of being dropped, or may only be kept for compatibility purposes. Avoid using it, and update existing code if possible; see the compatibility table at the bottom of this page to guide your decision. Be aware that this feature may cease to work at any time.

The read-only RTCDataChannel property reliable indicates whether or not the data channel is reliable.

Warning: This property is obsolete. Use RTCDataChannel.ordered instead in any new code, and update existing code as soon as possible.


var reliable = aDataChannel.reliable;


true if the RTCDataChannel's connection is reliable; false if it isn't.


// TBD


No longer part of any specification.

Browser compatibility

BCD tables only load in the browser

See also