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17 lines
350 B
17 lines
350 B
3 years ago
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/**
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* @description: 判断是否为类数组
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* @param {*} o
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* @return {boolean}
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* @example isArrayLike({0:1,1:2,length:2}) // true
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*/
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export default function isArrayLike(o) {
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return (
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o &&
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typeof o === 'object' &&
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isFinite(o.length) &&
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o.length >= 0 &&
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o.length === Math.floor(o.length) &&
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o.length < 4294967296
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);
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}
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