What are the specific steps to instantiate an object using the new operator?

The specific steps to use the new operator to instantiate an object are: 1. Create an empty object obj; 2. Set up the prototype chain, that is, [obj. _proto _= constructor.prototype]; 3. Let the constructor This in points to obj; 4. Return the object obj.

Generally when creating an instance, var obj = new constructor

new operator is here Mainly do four steps

• Create an empty object obj

• Set the prototype chain, that is, obj . _proto _ = construction Function.prototype ;

• Let this in the constructor point to obj

• Return the object obj

Recommended tutorial: "JS Tutorial"

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