Press n or j to go to the next uncovered block, b, p or k for the previous block.
| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 | 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x | /**
* @license Apache-2.0
*
* Copyright (c) 2023 The Stdlib Authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
'use strict';
// MAIN //
/**
* Takes elements from an indexed array.
*
* @param {Collection} x - input array
* @param {NonNegativeIntegerArray} indices - list of indices
* @returns {Array} output array
*
* @example
* var x = [ 1, 2, 3, 4 ];
* var indices = [ 3, 1, 2, 0 ];
*
* var y = take( x, indices );
* // returns [ 4, 2, 3, 1 ]
*/
function take( x, indices ) {
var out;
var i;
out = [];
for ( i = 0; i < indices.length; i++ ) {
out.push( x[ indices[ i ] ] ); // use `Array#push` to ensure "fast" elements
}
return out;
}
// EXPORTS //
module.exports = take;
|