The reason for this is that global data ties all the separate parts of your script together, and often if you make a change in one part, something else will break in another part.

原因是全局变量把不同页面之间的变量结合在了一起，于是当你修改某一部分时，另一部分就会产生变化。

youdao

The reason for this is that global data ties all the separate parts of your script together, and often if you make a change in one part, something else will break in another part.

原因是全局变量把不同页面之间的变量结合在了一起，于是当你修改某一部分时，另一部分就会产生变化。

youdao