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å¨å addEventListener() è¿æ ·çæ¹æ³ä¸ä½¿ç¨äºä»¶åç§°ï¼æè®¾ç½®äºä»¶å¤çå¨å±æ§ã
js
addEventListener("error", (event) => {});
onerror = (event) => {};
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示ä¾
js
const evtSource = new EventSource("sse.php");
// addEventListener çæ¬
evtSource.addEventListener("error", (e) => {
console.log("å°è¯è¿æ¥æ¶åçé误ã");
});
// onerror çæ¬
evtSource.onerror = (e) => {
console.log("å°è¯è¿æ¥æ¶åçé误ã");
};
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| HTML > # event-error > |
| HTML > # handler-eventsource-onerror > |