Baseline Widely available
throw()
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㨠value
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Error
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done
(boolean)
true
ã«ãªãã¾ãããã®å ´åã value
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ããããã£ãæå®ããªãå ´åãåçã§ããvalue
ã¤ãã¬ã¼ã¿ã¼ãè¿ãä½ããã® JavaScript ã®å¤ã§ãã done
ã true
ã®å ´åã¯çç¥å¯è½ã§ãã
次ã®ä¾ã§ã¯ãç°¡åãªã¸ã§ãã¬ã¼ã¿ã¼ã¨ã throw
ã¡ã½ãããç¨ãã¦çºçãããã¨ã©ã¼ã示ãã¾ããã¨ã©ã¼ã¯é常 try...catch
ãããã¯ã«ãã£ã¦åãåããã¾ãã
function* gen() {
while (true) {
try {
yield 42;
} catch (e) {
console.log("Error caught!");
}
}
}
const g = gen();
g.next();
// { value: 42, done: false }
g.throw(new Error("Something went wrong"));
// "Error caught!"
// { value: 42, done: false }
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