Baseline Widely available
Note: This feature is available in Web Workers.
The open
event of the EventSource
interface is fired when a connection with an event source is opened.
This event is not cancelable and does not bubble.
SyntaxUse the event name in methods like addEventListener()
, or set an event handler property.
addEventListener("open", (event) => { })
onopen = (event) => { }
Event type
A generic Event
.
const evtSource = new EventSource("sse.php");
// addEventListener version
evtSource.addEventListener("open", (e) => {
console.log("The connection has been established.");
});
// onopen version
evtSource.onopen = (e) => {
console.log("The connection has been established.");
};
Specifications Browser compatibility See also
RetroSearch is an open source project built by @garambo | Open a GitHub Issue
Search and Browse the WWW like it's 1997 | Search results from DuckDuckGo
HTML:
3.2
| Encoding:
UTF-8
| Version:
0.7.4