loadedmetadata
HTML Audio/Video DOM loadedmetadata hodisasi
Misol
Video metama’lumotlari yuklanganda alert orqali xabar bering:
let vid = document.getElementById("myVideo");
vid.onloadedmetadata = function() {
alert("Metadata for video loaded");
};
O‘zingiz sinab ko‘ring »
Quyida ko‘proq "O‘zingiz sinab ko‘ring" misollari keltirilgan.
Ta’rif va qo‘llanilishi
loadedmetadata hodisasi ko‘rsatilgan audio/video uchun metama’lumotlar yuklanganda sodir bo‘ladi.
Audio/video metama’lumotlari quyidagilardan iborat: davomiylik, o‘lchamlar (faqat video uchun) va matnli treklar.
Audio/video yuklanish jarayonida quyidagi hodisalar shu tartibda yuz beradi:
- loadstart
- durationchange
- loadedmetadata
- loadeddata
- progress
- canplay
- canplaythrough
Brauzerlarda qo‘llab-quvvatlash
Jadvaldagi raqamlar hodisani to‘liq qo‘llab-quvvatlaydigan birinchi brauzer versiyasini ko‘rsatadi.
| Hodisa | |||||
|---|---|---|---|---|---|
| loadedmetadata | Ha | 9.0 | Ha | Ha | Ha |
Sintaksis
HTML’da:
<audio|video onloadedmetadata="myScript">Try it
JavaScript’da:
audio|video.onloadedmetadata=function(){myScript};Try it
JavaScript’da, addEventListener() metodi yordamida:
audio|video.addEventListener("loadedmetadata", myScript);Try it
Texnik tafsilotlar
| Qo‘llab-quvvatlanadigan HTML teglari: | <audio> va <video> |
|---|---|
| Qo‘llab-quvvatlanadigan JavaScript obyektlari: | Audio, Video |
Ko‘proq misollar
Misol
Audio metama’lumotlari yuklanganda alert orqali xabar bering:
let aud = document.getElementById("myAudio");
aud.onloadedmetadata = function() {
alert("Metadata for audio loaded");
};
O‘zingiz sinab ko‘ring »
❮ HTML audio/video
W3Schools Pathfinder
Yutuqlaringizni kuzating – bu bepul!