Baseline Widely available
blob()
㯠Response
ã¤ã³ã¿ã¼ãã§ã¤ã¹ã®ã¡ã½ããã§ã Response
ã¹ããªã¼ã ãåå¾ãã¦å®å
¨ã«èªã¿è¾¼ã¿ã¾ãã Blob
ã§è§£æ±ºãããããã¹ãè¿ãã¾ãã
ãªãã
ã¡ã¢: Response
ã® Response.type
ã "opaque"
ã®å ´åãçµæã® Blob
ã® Blob.size
㯠0
ãBlob.type
ã¯ç©ºæåå ""
ã«ãªããURL.createObjectURL()
ã®ãããªã¡ã½ããã§ã¯å½¹ã«ç«ããªããªãã¾ãã
Blob
ã§è§£æ±ºãããããã¹ã§ãã
DOMException
AbortError
ãªã¯ã¨ã¹ãã䏿¢ãããå ´åã
TypeError
以ä¸ã®ããããã®åå ã§çºçãã¾ãã
Content-Encoding
ãããã¼ã䏿£ãªå ´åãªã©ï¼ãfetch request ã®ä¾ (fetch request ãã©ã¤ãã§å®è¡) ã§ã¯ãRequest()
ã³ã³ã¹ãã©ã¯ã¿ã¼ã使ç¨ãã¦æ°ãããªã¯ã¨ã¹ãã使ããããã使ç¨ã㦠JPG ãèªã¿åãã¾ããèªã¿åããæåããããblob()
ã使ç¨ãã¦ã¬ã¹ãã³ã¹ãã Blob
ãèªã¿åããããã URL.createObjectURL()
ã使ç¨ãã¦ãªãã¸ã§ã¯ã URL ã«å
¥ãããã® URL ã <img>
è¦ç´ ã®ã½ã¼ã¹ã¨ãã¦è¨å®ãã¦ç»åã表示ãã¾ãã
const myImage = document.querySelector("img");
const myRequest = new Request("flowers.jpg");
fetch(myRequest)
.then((response) => response.blob())
.then((myBlob) => {
const objectURL = URL.createObjectURL(myBlob);
myImage.src = objectURL;
});
仿§æ¸ ãã©ã¦ã¶ã¼ã®äºææ§ é¢é£æ
å ±
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