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reime005/from-java-to-javascript-functions-and-scopes-3.js Secret

Created December 27, 2020 21:30
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from-java-to-javascript-functions-and-scopes-3.js
const chain = () => {
let str = 't'; // 'var' also possible
return input => {
str += input;
return str;
};
};
const t = chain();
console.log(t('e')); // prints 'te'
console.log(t('st')); // prints 'test'
console.log(str); // ReferenceError: str is not defined
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