Polyfills for JS methods:

This repo contains the polyfills of the following Promise methods:

• all
• any
• race
• allSettled

This repo contains the polyfills of the following array methods:

1. at
2. find
3. findIndex
4. findLast
5. findLastIndex
6. lastIndexOf
7. includes
8. indexOf
9. some
10. every

1. unshift
2. pop
3. push
4. shift
5. fill
6. reverse
7. sort
8. splice
9. copyWithin

1. forEach

1. map
2. filter
3. reduce
4. reduceRight

1. keys
2. values
3. entries

1. slice
2. concat
3. flat
4. flatMap
5. join