const checkType = value =>{
	return Object.prototype.toString.call(value).slice(8, -1)
}
const deepClone = obj =>{
	const objvalue = checkType(obj)
	let result = 0
	if(objvalue === 'Object'){
		result = {}
	}else if(objvalue === 'Array'){
		result = []
	}else{
		return obj
	}
	for( let key in obj ){
		let value = obj[key]
		let keyvalue = checkType(value )
		if(keyvalue === 'Object' || keyvalue === 'Array'){
			result[key] = deepClone[value]
		}else {
			result[key] = value
		}
	}
	return result
}
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