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文件: /usr/share/nodejs/core-js-pure/modules/es.array.find-index.js
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'use strict'; var $ = require('../internals/export'); var $findIndex = require('../internals/array-iteration').findIndex; var addToUnscopables = require('../internals/add-to-unscopables'); var FIND_INDEX = 'findIndex'; var SKIPS_HOLES = true; // Shouldn't skip holes if (FIND_INDEX in []) Array(1)[FIND_INDEX](function () { SKIPS_HOLES = false; }); // `Array.prototype.findIndex` method // https://tc39.es/ecma262/#sec-array.prototype.findindex $({ target: 'Array', proto: true, forced: SKIPS_HOLES }, { findIndex: function findIndex(callbackfn /* , that = undefined */) { return $findIndex(this, callbackfn, arguments.length > 1 ? arguments[1] : undefined); } }); // https://tc39.es/ecma262/#sec-array.prototype-@@unscopables addToUnscopables(FIND_INDEX);
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