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45 lines
1.0 KiB
JavaScript
45 lines
1.0 KiB
JavaScript
9 years ago
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var baseFill = require('../internal/baseFill'),
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isIterateeCall = require('../internal/isIterateeCall');
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/**
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* Fills elements of `array` with `value` from `start` up to, but not
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* including, `end`.
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*
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* **Note:** This method mutates `array`.
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*
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* @static
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* @memberOf _
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* @category Array
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* @param {Array} array The array to fill.
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* @param {*} value The value to fill `array` with.
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* @param {number} [start=0] The start position.
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* @param {number} [end=array.length] The end position.
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* @returns {Array} Returns `array`.
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* @example
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*
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* var array = [1, 2, 3];
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*
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* _.fill(array, 'a');
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* console.log(array);
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* // => ['a', 'a', 'a']
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*
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* _.fill(Array(3), 2);
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* // => [2, 2, 2]
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*
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* _.fill([4, 6, 8], '*', 1, 2);
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* // => [4, '*', 8]
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*/
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function fill(array, value, start, end) {
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var length = array ? array.length : 0;
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if (!length) {
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return [];
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}
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if (start && typeof start != 'number' && isIterateeCall(array, value, start)) {
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start = 0;
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end = length;
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}
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return baseFill(array, value, start, end);
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}
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module.exports = fill;
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