javascript--Confirmation (Confirm message dialog box)

The Confirm Message dialog box is often used to allow the user to make a selection action, such as: "Are you right?" such as A popup dialog box (including a OK button and a Cancel button).

Grammar:

Confirm (str);

Parameter description:

STR: The text  to display in the message dialog box Boolean value

return value:

Returns True when the user taps the "OK" button, which returns False when the user taps the "Cancel" button

Note: The return value can determine what button the user clicked.

Look at the following code:

<script type= "Text/javascript" >    var mymessage=confirm ("Do you like JavaScript?");    if (mymessage==true)    {   document.write ("Very good, come on!");   }    else    {  document.write ("JS powerful, to learn Oh!");   } </script>

Results:

Note: The message dialog box is exclusive, that is, the user cannot do anything else until the dialog button is clicked.

javascript--Confirmation (Confirm message dialog box)