Oil monkey script learning

Why study ？

The design of a cartoon website is too rubbish , The picture always fills the whole screen , Although it can pass F12 To set different device sizes for browsing , But if you open a website every time F12 see , Even if it's not too complicated , It's not very convenient , Not cool enough , Just study , Solve the problem more perfectly

Midway questions （ Mentally retarded problems ）

Uncaught (in promise) TypeError: Cannot set properties of undefined (setting 'width')

The reason for the error ：

I put

style.width 

Misspelled as  

sytle.width

There is a similar mistake , I put

getElementById 

Misspelled as

getElementByID

 , I have to lament , Automatic completion is really lifesaving , But I'm used to it , Suddenly there is no problem

Besides , I also put  

getElementById and getElementsByTagName

  Confused. , you 're right , Namely

Elements

Add after or not

s

The problem of

Mistakes are always made by oneself , Otherwise, I don't know how stupid I am

Not enough at present

You can only write parameters in the script page to handle the picture frame , Instead of realizing the ideal direct web page, a control appears to drag , Adjust the frame freely , The reason is that the front-end knowledge is not skilled enough , Relevant knowledge needs to be improved