freeCodeCamp/guide/english/javascript/truth-table/index.md

---
title: Truth Table
---
![A table showing which JavaScript arguments are true and false.](//discourse-user-assets.s3.amazonaws.com/original/2X/f/ff2c78476742e6e677e5c714341ff37e9f60c951.png)

This is why you should always use `===` and `!==`.

Source: <a href='https://dorey.github.io/JavaScript-Equality-Table/' target='_blank' rel='nofollow'>https://dorey.github.io/JavaScript-Equality-Table/</a>
<a href='https://dorey.github.io/JavaScript-Equality-Table/unified/' target='_blank' rel='nofollow'>unified table</a>
feat(guide): Import guide in to the client app 2018-10-04 14:47:55 +01:00			`---`
			`title: Truth Table`
			`---`
			`![A table showing which JavaScript arguments are true and false.](//discourse-user-assets.s3.amazonaws.com/original/2X/f/ff2c78476742e6e677e5c714341ff37e9f60c951.png)`

			This is why you should always use `===` and `!==`.

			`Source: <a href='https://dorey.github.io/JavaScript-Equality-Table/' target='_blank' rel='nofollow'>https://dorey.github.io/JavaScript-Equality-Table/</a>`
added unified table (#19419) 2018-10-16 10:27:27 +05:30			`<a href='https://dorey.github.io/JavaScript-Equality-Table/unified/' target='_blank' rel='nofollow'>unified table</a>`