Baseline 2024
Newly available
grow()
㯠SharedArrayBuffer
ã¤ã³ã¹ã¿ã³ã¹ã®ã¡ã½ããã§ã SharedArrayBuffer
ãæå®ããããµã¤ãºï¼ãã¤ãåä½ï¼ã¸ä¼¸é·ãã¾ãã
newLength
SharedArrayBuffer
ã®ãµã¤ãºã夿´ããæ°ããé·ãï¼ãã¤ãåä½ï¼ã§ãã
ãªã (undefined
)ã
TypeError
SharedArrayBuffer
ã伸é·å¯è½ã§ãªãå ´åã«çºçãã¾ãã
RangeError
newLength
ããã® SharedArrayBuffer
ã® maxByteLength
ãã大ãããã byteLength
ããå°ããå ´åã«çºçãã¾ãã
grow()
ã¡ã½ããã¯ã SharedArrayBuffer
ã伸é·å¯è½ (growable) ã§ãããæ°ãããµã¤ãºã SharedArrayBuffer
ã® maxByteLength
以ä¸ã§æå®ãããæ°ããé·ãã®å¼æ°ã§æå®ããããµã¤ãºã« SharedArrayBuffer
ã伸é·ãã¾ããæ°ãããã¤ã㯠0 ã«åæåããã¾ãã
ãã®ä¾ã§ã¯ãæå¤§é· 16 ãã¤ãã¾ã§ä¼¸é·å¯è½ãª 8 ãã¤ãã®ãããã¡ã¼ã使ãã伸é·å¯è½
ãªããããã£ããã§ãã¯ãã¾ãã growable
ã true
ãè¿ããå ´åããããã¡ã¼ã伸é·ãã¾ãã
const buffer = new SharedArrayBuffer(8, { maxByteLength: 16 });
if (buffer.growable) {
console.log("SAB is growable!");
buffer.grow(12);
}
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