Baseline Widely available
preload
㯠HTMLMediaElement
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ãã©ãããã°ãã£ã¨ã使ãåæãè¯ããªãã¨èãã¦ãããã«ã¤ãã¦ããã©ã¦ã¶ã¼ã«ä¸ãããã³ãã示ãæååã§ãã
ãã㯠<audio>
è¦ç´ 㨠<video>
è¦ç´ ã® preload
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none
ãã®ã¡ãã£ã¢ãäºåèªã¿è¾¼ã¿ãã¹ãã§ã¯ãªããã¨ã示ãã¾ãã
metadata
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auto
ã¦ã¼ã¶ã¼ã使ç¨ããäºå®ããªãã¦ããã¡ãã£ã¢ãã¡ã¤ã«å ¨ä½ããã¦ã³ãã¼ããããã¨ãã§ãããã¨ã示ãã¾ãã
auto
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<video
id="el"
controls
src="https://example.com/media.mp4"
poster="https://example.com/media.jpg"
width="800"
height="600"
preload="metadata">
ç³ã訳ããã¾ããããã使ãã®ãã©ã¦ã¶ã¼ã¯åãè¾¼ã¿åç»ã«å¯¾å¿ãã¦ãã¾ããã<a href="https://example.com/media.mp4" download="media.mp4">ãã¦ã³ãã¼ããã</a>ãã¨ã§ãã好ããªåç»ãã¬ã¤ã¤ã¼ã§ã覧ããã ãã¾ãã®ã§ãå®å¿ãã ããï¼
</video>
const el = document.getElementById("el");
console.log(el.preload); // åºå: "metadata"
仿§æ¸ ãã©ã¦ã¶ã¼ã®äºææ§
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