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Editor to share with you what is the use of find () and findIndex () methods in JavaScript, I believe most people do not know much about it, so share this article for your reference. I hope you will gain a lot after reading this article. Let's learn about it together.

Find () and findIndex ()

Find () returns the value of the first element in the array that passes the test.

FindIndex () returns the index of the first element in the array that passes the test.

Var str1 = [str1.find (function (x) {return x > 2})] console.log (function (x) {return x > 2}); / / 3console.log (function (x) {return x > 2}); / / above is all the content of this article entitled "what are find () and findIndex () methods in JavaScript? thank you for reading! I believe we all have a certain understanding, hope to share the content to help you, if you want to learn more knowledge, welcome to follow the industry information channel!

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