Package Exports
- slice-like
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Readme
slice-like
Creates an Array from a slice of an Array-like object.
Install
Install via npm:
npm install --save slice-likeUsage
Convert an Array-like object to an Array
Pass any Array-like object — an object with a 'length'
property and numerical indices — in order to convert it to an
Array.
const sliceLike = require('slice-like');
var arrayLike = {
0: 'zero',
1: 'one',
length: 2
};
var arr = sliceLike(arrayLike); // => ['zero', 'one'];An Alternative to Rest Parameters
This module may be used in place of rest parameters in
environments where they are unsupported. Pass the arguments
object and the index at which the rest parameters start, as follows:
function someFunction(firstParam, secondParam /*, ...restParams */) {
var restParams = sliceLike(arguments, 2);
// ...
}API
sliceLike(arrayLike, [start], [end])
Slices an Array-like object and returns an Array. Slicing
behavior is similar to the Array.prototype.slice() method.
Parameters
| Param | Type | Description |
|---|---|---|
| arrayLike | object |
An object with a 'length' property and indexed elements,
e.g., the
arguments
object.
|
| [start] | number |
The index at which to start the slice. The resulting Array includes the start index. Defaults to the beginning of `arrayLike`. |
| [end] | number |
The index at which to end the slice. The resulting Array does not include the end index. Defaults to the end of `arrayLike`. |
Returns
Type: Array
The resulting Array, sliced according to the start and/or end arguments if provided.
License
Copyright © 2016 Akim McMath. Licensed under the MIT License.