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Introduction to alert and confirm functions_javascript skills

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Release： 2016-05-16 16:47:35
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alert is a common method of the window object in JavaScript script language. It only prompts a dialog box and has no cancellation function.

confirm is a method in JavaScript language. It pops up a dialog box for cancellation and confirmation. Confirm Returns true, cancels and returns false; usually used with the button's Onclientclick event.

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