| 1 | var slice = require('./slice');
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| 2 |
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| 3 | /**
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| 4 | * Call `methodName` on each item of the array passing custom arguments if
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| 5 | * needed.
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| 6 | */
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| 7 | function invoke(arr, methodName, var_args){
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| 8 | if (arr == null) {
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| 9 | return arr;
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| 10 | }
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| 11 |
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| 12 | var args = slice(arguments, 2);
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| 13 | var i = -1, len = arr.length, value;
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| 14 | while (++i < len) {
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| 15 | value = arr[i];
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| 16 | value[methodName].apply(value, args);
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| 17 | }
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| 18 |
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| 19 | return arr;
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| 20 | }
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| 21 |
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| 22 | module.exports = invoke;
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| 23 |
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