| 1 | /**
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| 2 | * each : each(list, fn)
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| 3 | * Iterates through `list` (an array or an object). This is useful when dealing
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| 4 | * with NodeLists like `document.querySelectorAll`.
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| 5 | */
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| 6 |
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| 7 | function each (list, fn) {
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| 8 | if (!list) return
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| 9 |
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| 10 | var i
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| 11 | var len = list.length
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| 12 | var idx
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| 13 |
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| 14 | if (typeof len === 'number') {
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| 15 | if (each.native) return each.native.call(list, fn)
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| 16 | for (i = 0; i < len; i++) fn(list[i], i, i)
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| 17 | } else {
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| 18 | idx = 0
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| 19 | for (i in list) {
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| 20 | if (list.hasOwnProperty(i)) fn(list[i], i, idx++)
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| 21 | }
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| 22 | }
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| 23 |
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| 24 | return list
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| 25 | }
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| 26 |
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| 27 | each.native = Array.prototype.forEach
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| 28 |
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| 29 | module.exports = each
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