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30-Days-Of-React
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Merge 483de6e53a into 8b41cd49c3

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To Minh Tri 3 years ago committed by GitHub
parent 8b41cd49c3 483de6e53a
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01_Day_JavaScript_Refresher/01_javascript_refresher.md
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@ -3717,7 +3717,7 @@ Let us find the index of the first country in the array which has exactly six ch
```js ```js
const countries = ['Finland', 'Estonia', 'Sweden', 'Norway', 'Iceland'] const countries = ['Finland', 'Estonia', 'Sweden', 'Norway', 'Iceland']
const index = countries.findIndex((country) => country.length === 6) const index = countries.findIndex((country) => country.length === 6)
console.log(index //2 console.log(index) //2
``` ```
Let us find the index of the first country in the array which has the letter 'o'. Let us find the index of the first country in the array which has the letter 'o'.
@ -3725,7 +3725,7 @@ Let us find the index of the first country in the array which has the letter 'o'
```js ```js
const countries = ['Finland', 'Estonia', 'Sweden', 'Norway', 'Iceland'] const countries = ['Finland', 'Estonia', 'Sweden', 'Norway', 'Iceland']
const index = countries.findIndex((country) => country.includes('o')) const index = countries.findIndex((country) => country.includes('o'))
console.log(index // 1 console.log(index) // 1
``` ```
Let us move on to the next functional programming, some. Let us move on to the next functional programming, some.

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