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Replace the usage of ìndexOf for includes`

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Danny Feliz
2017-12-11 21:28:20 -04:00
committed by GitHub
parent b4781a478d
commit d0b6531c45
1 changed files with 6 additions and 6 deletions
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12
README.md
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@ -109,11 +109,11 @@ var curry = f =>
### Difference between arrays
Use `filter()` to remove values that are part of `values`, determined using `indexOf()`.
Use `filter()` to remove values that are part of `values`, determined using `includes()`.
```js
var difference = (arr, values) =>
arr.filter(v => values.indexOf(v) === -1);
arr.filter(v => !values.includes(v));
```
### Distance between two points
@ -315,11 +315,11 @@ var scrollToTop = _ => {
### Similarity between arrays
Use `filter()` to remove values that are not part of `values`, determined using `indexOf()`.
Use `filter()` to remove values that are not part of `values`, determined using `includes()`.
```js
var difference = (arr, values) =>
arr.filter(v => values.indexOf(v) !== -1);
arr.filter(v => values.includes(v));
```
### Sort characters in string (alphabetical)
@ -359,12 +359,12 @@ var tail = arr => arr.slice(1);
### Unique values of array
Use `reduce()` to accumulate all unique values in an array.
Check if each value has already been added, using `indexOf()` on the accumulator array.
Check if each value has already been added, using `includes()` on the accumulator array.
```js
var uniqueValues = arr =>
arr.reduce( (acc, val) => {
if(acc.indexOf(val) === -1)
if(acc.indexOf(val))
acc.push(val);
return acc;
}, []);