1 | var makeIterator = require('../function/makeIterator_');
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2 |
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3 | /**
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4 | * Array every
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5 | */
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6 | function every(arr, callback, thisObj) {
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7 | callback = makeIterator(callback, thisObj);
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8 | var result = true;
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9 | if (arr == null) {
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10 | return result;
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11 | }
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12 |
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13 | var i = -1, len = arr.length;
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14 | while (++i < len) {
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15 | // we iterate over sparse items since there is no way to make it
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16 | // work properly on IE 7-8. see #64
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17 | if (!callback(arr[i], i, arr) ) {
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18 | result = false;
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19 | break;
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20 | }
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21 | }
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22 |
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23 | return result;
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24 | }
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25 |
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26 | module.exports = every;
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27 |
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