Native deep copy function js

function deepClone(data){
  if(!data || !(data instanceof Object) || (typeof data=="function"))
  {
    return data||undefined;
  }
  var constructor = data.constructor;
  var result = new constructor();
  for(var key in data){
    if(data.hasOwnProperty(key)){
      result[key]=deepClone(data[key]);
    }
  }
  return result;
}

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Origin www.cnblogs.com/luckyXcc/p/11122669.html