JavaScript Window method: prompt()
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The prompt() method (when applied to Window
objects in the JavaScript
BOM) displays text in
a dialog box prompting user for input (and with an OK and Cancel button).
It
has the following syntax with the following parameters. It returns a string
if the user clicks OK, being the input value (an empty string if the user
didn’t input anything), or null
if the user clicks cancel.
window.prompt(text, defaulttext)
|
Parameter
|
Required / Optional
|
Description
|
|
text
|
Required
|
String specifying text
to display in dialog box
|
|
defaulttext
|
Optional
|
String specifying
default input text
|
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