What is the purpose of encapsulating a JavaScript source file's full content with a function book?

What is the purpose of encapsulating a JavaScript source file's full content with a function book?

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: easy

标签: interviewbit, justdial, company-specific

目标公司: Justdial

参考答案摘要

This is becoming more prevalent, and several prominent JavaScript packages use it. This technique establishes a closure around the full contents of the file, which, maybe most crucially, provides a pr...

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