The js pop-up confirmation message box determines whether to delete. Before deletion, the system prompts the user whether to delete the message. Click Yes to delete the message, and click NO to return the message.

This article introduces: The js pop-up confirmation message box determines whether to delete. Before deletion, the system prompts the user whether to delete the message. Click "delete" or "no" to return confirm () to display a dialog box with the specified message, OK, and cancel buttons.

If you click OK, confirm () returns true. If you click the cancel button, confirm () returns false.

Before the user clicks the OK or cancel button to close the dialog box, it will block all user input to the browser. When confirm () is called, the execution of JavaScript code is suspended. The next statement is not executed until the user responds.

"Onclick =" return confirm ('Are you sure you want to delete this record? ') "> Delete

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