Js calls the browser printing module to trigger the custom function by clicking the button _ javascript tips-js tutorial

Retain the function printed by the browser and assign it to the button you have added. You can click the button to trigger the custom function. The main content of this article is as follows:

If you use the print button that comes with your browser, you cannot perform other printing-related operations, such as the number of printing times. Therefore, you need to retain the browser printing function and assign it to the button you add. You can trigger the custom function when you click the button.

The Code is as follows:

The Code is as follows: