Baseline Widely available *
ReferenceError
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ReferenceError
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ReferenceError
㯠Error
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ReferenceError()
æ°ãã ReferenceError
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親ã§ãã Error
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ãããã®ããããã£ã¯ ReferenceError.prototype
ã§å®ç¾©ããã¦ããããã¹ã¦ã® ReferenceError
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±æããã¾ãã
ReferenceError.prototype.constructor
ãã®ã¤ã³ã¹ã¿ã³ã¹ãªãã¸ã§ã¯ãã使ããã³ã³ã¹ãã©ã¯ã¿ã¼é¢æ°ã ReferenceError
ã¤ã³ã¹ã¿ã³ã¹ã®å ´åãåæå¤ã¯ ReferenceError
ã³ã³ã¹ãã©ã¯ã¿ã§ãã
ReferenceError.prototype.name
ã¨ã©ã¼åã®ååã表ãã¾ãã ReferenceError.prototype.name
ã®åæå¤ã¯ "ReferenceError"
ã§ãã
親ã§ãã Error
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try {
let a = undefinedVariable;
} catch (e) {
console.log(e instanceof ReferenceError); // true
console.log(e.message); // "undefinedVariable is not defined"
console.log(e.name); // "ReferenceError"
console.log(e.stack); // ãã®ã¨ã©ã¼ã®ã¹ã¿ãã¯
}
ReferenceError ã®çæ
try {
throw new ReferenceError("Hello");
} catch (e) {
console.log(e instanceof ReferenceError); // true
console.log(e.message); // "Hello"
console.log(e.name); // "ReferenceError"
console.log(e.stack); // ãã®ã¨ã©ã¼ã®ã¹ã¿ãã¯
}
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