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How to implement the warning box in javascript

2025-04-07 Update From: SLTechnology News&Howtos shulou NAV: SLTechnology News&Howtos > Development >

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This article mainly explains "how to implement the warning box in javascript". Interested friends may wish to have a look. The method introduced in this paper is simple, fast and practical. Let's let the editor take you to learn "how to realize the warning box in javascript".

In javascript, you can use the alert () method of the Window object to implement an alert box, which pops up to display a warning box with a specified message and a "OK" button; the syntax "alert (message)".

The operating environment of this tutorial: windows7 system, javascript1.8.5 version, Dell G3 computer.

To pop up an alert box in javascript, we can use the alert () method.

Alert () is a method of the Window object that displays a warning box with a specified message and an OK button.

However, the window.alert () method can use the alert () method directly without a window object. Specific grammatical format:

Alert (message)

Parameter description:

Message: specifies the plain text (instead of HTML text) to be displayed in the dialog box that pops up on window

Sample code:

Function display_alert () {alert ("I am a warning box!") }

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