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Lodash _.clone


The lodash _.clone method creates a shallow copy of an object. This means that it duplicates the top-level structure of the object, but not any nested objects or arrays. The new object will have the same property names and values as the original object, but changes made to the new object will not affect the original object, and vice versa.

The _.clone method takes a single argument, which is the object to be cloned. If the argument is a primitive value (such as a string or number), the method will return a new instance of that value. If the argument is an object or array, the method will duplicate its structure and return a new object or array.

Here is an example of using the _.clone method:

const originalObject = { prop1: "value1", prop2: "value2" };
const clonedObject = _.clone(originalObject);

clonedObject.prop1 = "new value";

console.log(originalObject.prop1); // outputs "value1"
console.log(clonedObject.prop1); // outputs "new value"

In this example, we create an object originalObject with two properties, prop1 and prop2. We then use the _.clone method to create a new object clonedObject that is a shallow copy of the originalObject. When we change the value of prop1 in clonedObject, the change does not affect the originalObject.

It is important to note that if the original object contains nested objects or arrays, the _.clone method will only create shallow copies of those objects or arrays. To create a deep copy of an object, use the _.cloneDeep method instead.

In conclusion, the _.clone method is a useful tool for creating shallow copies of objects or arrays. It allows for quick duplication of object structures, while keeping them separated and independent of one another.