29 lines
585 B
JavaScript
29 lines
585 B
JavaScript
/**
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* 判断是否为数组
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*
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* @param {Object} arr
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*/
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function isArray(arr) {
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return Object.prototype.toString.call(arr) === '[object Array]'
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}
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/**
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* 深度复制数据
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*
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* @param {Object} obj
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*/
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function deepClone(obj) {
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if ([null, undefined, NaN, false].includes(obj)) return obj
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if (typeof obj !== 'object' && typeof obj !== 'function') {
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return obj
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}
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var o = isArray(obj) ? [] : {}
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for (let i in obj) {
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if (obj.hasOwnProperty(i)) {
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o[i] = typeof obj[i] === 'object' ? deepClone(obj[i]) : obj[i]
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}
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}
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return o
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}
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export default deepClone |