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Figure 4.3 Prompt without a second default argument.
Figure 4.4 Prompt with a second default argument.
4.1.3 The confirm() Method
The confirm dialog box is used to confirm a user's answer to a question. The user must
agree before the action is completed. You'll often see this when placing an online order
or deleting a file where a yes or no confirmation determines what will happen next. A
question mark will appear in the box with an OK button and a Cancel button. If the user
clicks the OK button, true is returned; if he or she clicks the Cancel button, false is
returned. This method takes only one argument, the question you will ask the user.
<title>Using the JavaScript confirm box</title>
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