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linlymatsumura/only-the-first-time.js

Last active November 30, 2017 16:45
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最初だけ違うことをする関数
Raw
only-the-first-time.js
let foo = () => {
console.log('hello!')
foo = () => {
console.log('hi')
}
}
foo() // hello!
foo() // hi
foo() // hi
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