Baseline 2024
Newly available
Experimental: ããã¯å®é¨çãªæ©è½ã§ãã
æ¬çªã§ä½¿ç¨ããåã«ãã©ã¦ã¶ã¼äºææ§ä¸è¦§è¡¨ããã§ãã¯ãã¦ãã ããã
resizable
㯠ArrayBuffer
ã¤ã³ã¹ã¿ã³ã¹ã®ã¢ã¯ã»ãµã¼ããããã£ã§ããã® ArrayBuffer
ããµã¤ãºå¤æ´ãã©ããã表ãã¾ãã
const buffer1 = new ArrayBuffer(8, { maxByteLength: 16 });
const buffer2 = new ArrayBuffer(8);
console.log(buffer1.resizable);
// Expected output: true
console.log(buffer2.resizable);
// Expected output: false
解説
resizable
ããããã£ã¯ã¢ã¯ã»ãµã¼ããããã£ã§ãããè¨å®ã¢ã¯ã»ãµã¼é¢æ°ã undefined
ã§ãããããã®ããããã£ã¯èªã¿åããã¨ããã§ãã¾ããããã®å¤ã¯ããã®é
åãæ§ç¯ãããã¨ãã«ç¢ºå®ããã¾ããã³ã³ã¹ãã©ã¯ã¿ã¼ã§ maxByteLength
ãªãã·ã§ã³ãè¨å®ããã¦ããã° resizable
㯠true
ãè¿ããããã§ãªããã° false
ãè¿ãã¾ãã
ãã®ä¾ã§ã¯ãæå¤§ 16 ãã¤ãã®é·ãã«ãµã¤ãºå¤æ´å¯è½ãª 8 ãã¤ãã®ãããã¡ã¼ã使ããresizable
ããããã£ã調ã¹ã¦ãresizable
ã true ãè¿ãå ´åã«ãµã¤ãºå¤æ´ãã¾ãã
const buffer = new ArrayBuffer(8, { maxByteLength: 16 });
if (buffer.resizable) {
console.log("Buffer is resizable!");
buffer.resize(12);
}
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