Object abolition in js

When the object does not have a variable reference, it should be abolished because it occupies a lot of memory space. To abolish the object, it is very easy to set the object reference to null. The php point for your example is as follows: & amp; lt; scriptlanguage = & quot; javascri

When the object does not have a variable reference, it should be abolished because it occupies a lot of memory space. To abolish the object, you can set the object reference to null.

It is very simple. The following is an example of php point-to-point communication: