Why does the verification code appear on the clipboard?

This is a function that comes with some mobile phones. When the mobile phone receives the verification code, it will automatically paste it on the clipboard.

The mobile phone clipboard can open a text message or other text input box, press the pop-up menu in the blank, and select the clipboard to paste the previously copied text. The following is a detailed introduction:

1, the mobile phone clipboard can open the text input box of SMS, press it in the blank space, click Select All, and select the text copied before pasting on the clipboard;

2. Open a browser, select any place where you want to enter text, or press and hold the input box to bring up the clipboard;

3. Some mobile phone systems or input methods can also call up the clipboard by clicking the clipboard icon above after calling up the input method.