27 lines
539 B
JavaScript
27 lines
539 B
JavaScript
"use strict";
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var callable = require("../../../object/valid-callable")
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, ensureValue = require("../../../object/valid-value")
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, some = Array.prototype.some
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, apply = Function.prototype.apply;
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module.exports = function (predicate/*, thisArg*/) {
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var k, self;
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self = Object(ensureValue(this));
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callable(predicate);
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return some.call(
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self,
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function (value, index) {
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if (apply.call(predicate, this, arguments)) {
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k = index;
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return true;
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}
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return false;
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},
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arguments[1]
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)
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? k
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: -1;
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};
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