JS empty object \ Delete object's properties

In the project, some objects need to be reset after use, the following is a brief introduction to the next JS in the method of clearing objects. Here's how:

Method One: Literal definition object

The first step is to define an empty object and print out the code and effect:

Code:

var student = {};
Console.log (student);

Printing results:

The second step is to add properties to the object and print the code and print the results as follows:

Code:

Student.name = "Xiaoming";
Student.age = 12;
Console.log (student);

Printing results:

In the third step, delete the object properties (empty objects) and print, and the code and printing results are as follows:

Code:

for (var key in student) {
Delete Student[key];
}
Console.log (student);

Printing results:

This shows that after the object is emptied, it becomes an empty object, which implements the object reset.

All JS code:

Execution Result:

Method Two: Constructor definition object

Code:

Printing results:

JS empty object \ Delete object's properties