JS: Popups | JavaScript
JavaScript Popups
alert
Message Box
alert
displays the message for end-user's information.
alert('PiTribe');
PiTribe
You may think ofalert
asMessageBox.Show(message, MessageBoxButtons.OK)
in .Net Windows Application.
confirm
OK Cancel box
confirm
displays a message box to click one of two buttons either OK or Cancel. confirm
returns Boolean
data type:
var r = confirm('Hit OK for "Good", Cancel "Bad"');
if(r)
console.log('Good');
else
console.log('Bad');
Good
You will get Good if press OK
You may think of alert as MessageBox.Show(message, caption, MessageBoxButtons.OKCancel);
.Net Windows Application
confirm
cancel
If the user hit Cancel button on confirm box, confirm returns false
.
var r = confirm('Hit OK for "Good", Cancel "Bad"');
if(r)
console.log('Good');
else
console.log('You chose Cancel');
Good
confirm
OK
If the user hit OK button on confirm
box, confirm
returns true
.
var r = confirm('Hit OK for "Good", Cancel "Bad"');
if(r)
console.log('You chose OK');
else
console.log('Bad');
Good
prompt
input box
prompt
asks user for input a value:
var r1 = prompt('Enter first value');
console.log(r1);
prompt
default value
prompt
allows to provide a defautl value in the second parameter:
var r2 = prompt('Enter the year', '2023');
console.log(r2);
2023
The user views 2023
as default value. If the user press enter of OK button, this value is returned by the prompt
function, otherwise, returns the value whatever entered by the user.
prompt
cancel
If the user hit Cancel button on the prompt
box, prompt
returns null
, no matter what value entered in the input box:
var r = prompt('Enter any value in the input box and choose "Cancel" button.');
console.log(r);
null