Checks if array starts with a prefix.
npm install @extra-array/has-prefixChecks if array starts with a prefix.
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> Similar: [prefix], [prefixes], [hasPrefix].
> Similar: [hasValue], [hasPrefix], [hasInfix], [hasSuffix], [hasSubsequence], [hasPermutation], [hasPath].
> This is part of package [extra-array].
[extra-array]: https://www.npmjs.com/package/extra-array
``javascript`
array.hasPrefix(x, y, [fc], [fm]);
// x: an array
// y: prefix?
// fc: compare function (a, b)
// fm: map function (v, i, x)
`javascript
const array = require("extra-array");
var x = [1, 2, 3, 4];
array.hasPrefix(x, [1, 2]);
// true
array.hasPrefix(x, [-1, -2]);
// false
array.hasPrefix(x, [-1, -2], (a, b) => Math.abs(a) - Math.abs(b));
// true
array.hasPrefix(x, [-1, -2], null, v => Math.abs(v));
// true
``
- Data.List.isPrefixOf: Haskell
- List-Extra.isPrefixOf: elm
- String.prototype.startsWith: MDN web docs
- iterable-starts-with: @oprogramador
[prefix]: https://github.com/nodef/extra-array/wiki/prefix
[prefixes]: https://github.com/nodef/extra-array/wiki/prefixes
[hasPrefix]: https://github.com/nodef/extra-array/wiki/hasPrefix
[hasValue]: https://github.com/nodef/extra-array/wiki/hasValue
[hasInfix]: https://github.com/nodef/extra-array/wiki/hasInfix
[hasSuffix]: https://github.com/nodef/extra-array/wiki/hasSuffix
[hasSubsequence]: https://github.com/nodef/extra-array/wiki/hasSubsequence
[hasPermutation]: https://github.com/nodef/extra-array/wiki/hasPermutation
[hasPath]: https://github.com/nodef/extra-array/wiki/hasPath