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leegeunhyeok/eval_only_once.js

Created October 8, 2020 05:23
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Eval only once
Raw
eval_only_once.js
let init = false;
const doSomething = () => {
if (!init && (init = true)) {
console.log('Only once');
return;
}
console.log('Do something');
}
doSomething(); // Only once
doSomething(); // Do something
doSomething(); // Do something
doSomething(); // Do something
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