The onmessage
property of the EventSource
interface is an EventHandler
called when a message
event is
received, that is when a message is coming from the source.
Event objects of onmessage
event handlers are of type
MessageEvent
.
Syntax
eventSource.onmessage = function
Examples
evtSource.onmessage = function(e) {
var newElement = document.createElement("li");
newElement.textContent = "message: " + e.data;
eventList.appendChild(newElement);
}
Note: You can find a full example on GitHub — see Simple SSE demo using PHP.
Specifications
Specification | Status | Comment |
---|---|---|
HTML Living Standard The definition of 'onmessage' in that specification. |
Living Standard | Initial definition |
Browser compatibility
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