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A beautiful replacement for JavaScript's "alert"


An awesome replacement for JavaScript’s alert.

A success modal

See it in action!

Learn how to use it!


You can install SweetAlert through bower:

bower install sweetalert

Or through npm:

npm install sweetalert

Alternatively, download the package and reference the JavaScript and CSS files manually:

<script src="dist/sweetalert.min.js"></script>
<link rel="stylesheet" type="text/css" href="dist/sweetalert.css">

Note: If you’re using an older version than v1.0.0, the files are lib/sweet-alert.min.js and lib/sweet-alert.css


The easiest way to get started is follow the SweetAlert tutorial on Ludu!


The most basic message:

sweetAlert("Hello world!");

A message signaling an error:

sweetAlert("Oops...", "Something went wrong!", "error");

A warning message, with a function attached to the “Confirm”-button:

  title: "Are you sure?",
  text: "You will not be able to recover this imaginary file!",
  type: "warning",
  showCancelButton: true,
  confirmButtonColor: "#DD6B55",
  confirmButtonText: "Yes, delete it!",
  closeOnConfirm: false,
  html: false
}, function(){
  "Your imaginary file has been deleted.",

A prompt modal where the user’s input is logged:

  title: "An input!",
  text: 'Write something interesting:',
  type: 'input',
  showCancelButton: true,
  closeOnConfirm: false,
  animation: "slide-from-top"
}, function(inputValue){
  console.log("You wrote", inputValue);   

View more examples


SweetAlert can easily be themed to fit your site’s design. SweetAlert comes with three example themes that you can try out: facebook, twitter and google. They can be referenced right after the intial sweetalert-CSS:

<link rel="stylesheet" href="dist/sweetalert.css">
<link rel="stylesheet" href="themes/twitter/twitter.css">

Browser compatibility

SweetAlert works in most major browsers (yes, even IE). Some details:

  • IE8: (Dropped since v1.0.0-beta)
  • IE9: Works, but icons are not animated.
  • IE10+: Works!
  • Safari 4+: Works!
  • Firefox 3+: Works!
  • Chrome 14+: Works!
  • Opera 15+: Works!


If you want to contribute:

  • Fork the repo

  • Make sure you have Node, NPM and Gulp installed. When in the SweetAlert directory, run npm install to install the dependencies. Then run gulp while working to automatically minify the SCSS and JS-files.

  • Keep in min that SweetAlert uses Browserify in order to compile ES6-files. For easy debugging, make sure you reference the file dist/sweetalert-dev.js instead of sweetalert.js.

  • After you’re done, make a pull request and wait for approval! :)

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