10 lines
350 B
JavaScript
10 lines
350 B
JavaScript
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var makeString = require('./helper/makeString');
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var toPositive = require('./helper/toPositive');
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module.exports = function startsWith(str, starts, position) {
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str = makeString(str);
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starts = '' + starts;
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position = position == null ? 0 : Math.min(toPositive(position), str.length);
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return str.lastIndexOf(starts, position) === position;
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};
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