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This article will explain in detail how Javascript deletes false values in the array. The editor thinks it is very practical, so I share it with you as a reference. I hope you can get something after reading this article.

Delete false values from the array

We often need to remove false values when dealing with data. In Javascript, false values are false, 0, ", null, NaN, undefined.

Var plants = ['Saturn',' Earth', null, undefined, false, ", NaN, 'Uranus',' Mercury', 'Venus',' Earth', 'Mars',' Jupiter']; var trueArr = plants.filter (Boolean); console.log (trueArr) / / ['Saturn',' Earth','Uranus', 'Mercury','Venus',' Earth','Mars', 'Jupiter'] this is the end of the article on "how to delete false values in an array by Javascript". I hope the above content can be helpful to you so that you can learn more knowledge. if you think the article is good, please share it for more people to see.

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