range.js (1151B)
1 var createRange = require('./_createRange'); 2 3 /** 4 * Creates an array of numbers (positive and/or negative) progressing from 5 * `start` up to, but not including, `end`. A step of `-1` is used if a negative 6 * `start` is specified without an `end` or `step`. If `end` is not specified, 7 * it's set to `start` with `start` then set to `0`. 8 * 9 * **Note:** JavaScript follows the IEEE-754 standard for resolving 10 * floating-point values which can produce unexpected results. 11 * 12 * @static 13 * @since 0.1.0 14 * @memberOf _ 15 * @category Util 16 * @param {number} [start=0] The start of the range. 17 * @param {number} end The end of the range. 18 * @param {number} [step=1] The value to increment or decrement by. 19 * @returns {Array} Returns the range of numbers. 20 * @see _.inRange, _.rangeRight 21 * @example 22 * 23 * _.range(4); 24 * // => [0, 1, 2, 3] 25 * 26 * _.range(-4); 27 * // => [0, -1, -2, -3] 28 * 29 * _.range(1, 5); 30 * // => [1, 2, 3, 4] 31 * 32 * _.range(0, 20, 5); 33 * // => [0, 5, 10, 15] 34 * 35 * _.range(0, -4, -1); 36 * // => [0, -1, -2, -3] 37 * 38 * _.range(1, 4, 0); 39 * // => [1, 1, 1] 40 * 41 * _.range(0); 42 * // => [] 43 */ 44 var range = createRange(); 45 46 module.exports = range;