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Symbol.for("key") Checks if a symbol with the key "key" already exists in the globals symbol registry. If yes, it returns the existing symbol, otherwi 阅读全文
posted @ 2024-03-22 02:39
Zhentiw
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Difference betwen require and import require can be called conditionally, while the import statement cannot import statements are hoisted, but require 阅读全文
posted @ 2024-03-19 15:45
Zhentiw
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Generator can run with for .. of and ..., which will only emit yield values For example: function* count() { yield 1; yield 2; return 3; } for (const 阅读全文
posted @ 2024-03-13 19:42
Zhentiw
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Create a new User instance would create a new login function in memory each time? class User { constructor(username) { this.username = username; } log 阅读全文
posted @ 2024-03-13 19:09
Zhentiw
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use std::sync::mpsc; use std::thread; use std::time::Duration; fn main() { let (tx, rx) = mpsc::channel(); thread::spawn(move || { let vals = vec
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