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tfanme/generateId.js

Created February 8, 2018 08:10
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一个典型的闭包 + IIFE(Immediately-invoked function expression) F结合的例子
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generateId.js
/**
* 一个典型的闭包 + IIFE(Immediately-invoked function expression) F结合的例子
*/
const generateId = (() => {
let i = 0;
return (prefix = '') => {
i += 1;
return `${prefix}${i}`;
};
})();
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