How to convert truthy/falsy to boolean (true/false)
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How to convert truthy/falsy to boolean (true/false)

Dan Ichim Dan Ichim

Dan Ichim

Development Consultant

发布日期: 2020年2月20日
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const myVar = null; 
const mySecondVar = 1; 

console.log( Boolean(myVar) ) // false
console.log( !!myVar ) // false

console.log( Boolean(mySecondVar) ) // true


console.log( !!mySecondVar ) // true

If you know other methods please let me know, thanks.

I will post A JS tip per day! Please follow me on LinkedIn / Twitter / Facebook / Codesandbox / Codepen.



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