What is “truthy” and “falsy” in JavaScript? Why is "0" truthy?

What is “truthy” and “falsy” in JavaScript? Why is "0" truthy?

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: hard

标签: interviewbit, javascript, topic-specific, frontend

参考答案摘要

Truthy values act like true in conditions. Falsy values act like false. JavaScript has only a few falsy values. "0" is truthy because it is a non-empty string. Only empty strings are falsy. Falsy valu...

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