The confirm dialog box is an interactive dialog box commonly used in JavaScript, used to present a confirmation or cancellation choice to the user. When we need to perform different operations based on the user's selection, we can use the confirm dialog box and get its return value. This article will introduce how to call the confirm dialog box in JavaScript and get its return value.
First, let's look at the basic usage of the confirm dialog box:
var result = confirm("确认执行该操作吗？");
The above code will pop up a confirmation dialog box on the page. The dialog box contains a confirm button and a cancel button, and a message text "Are you sure to perform this operation?" will be displayed. The user can click the Confirm button or the Cancel button to make their selection.
Next, we need to get the user's selection results. The return value of the confirm dialog box is a Boolean value (true or false), indicating whether the user clicked the confirm button or the cancel button. We can save the return value in a variable so that we can subsequently perform different operations based on the user's selections.
var result =