Using JavaScript to display a confirmation dialog box with the content retrieved from a text input field

Can a confirm dialog box be used to show the user-entered value from a form's text box? For instance, if the user enters 100.00, I want the dialog box to say something like, "Confirm Amount. Press OK if $100.00 is accurate."

Answer №1

Indeed:

let total = document.getElementById("textbox").value;
confirm("Please confirm the amount. Press OK if $" + total + " is correct.")

UPDATE: Check out this functional demo: http://jsbin.com/inoru/edit

Answer №2

A simple way to show a custom message in a dialog is by passing a string value:

var message = "Hello there";
confirm(message);

If you want to include content from a text box in your message, you can do so like this:

var inputText = jQuery("#customTextBox").val();
confirm("Are you sure that " + inputText + " is correct?");

Answer №3

Make sure to pay attention to the onblur event of your textbox. If the textbox is not blank, display a message like so:

document.getElementById('textboxid').onblur = function(){
    if(this.value.length > 0 )
        showMessage()
}

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