Why do closures exist. What problem do they solve?

Why do closures exist. What problem do they solve?

题目类型: 技术面试题

这是一道技术面试题，常见于澳洲IT公司面试中。

难度: medium

标签: interviewbit, javascript, topic-specific, frontend

参考答案摘要

Closures allow functions to keep state between calls. Without closures, data would be lost once a function finishes. They help avoid global variables. Closures make code more modular and safe. They ar...

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