130+ Awesome javascript-alert Effects Collection (Projects and Codes) in 2025

GlowCookies

GlowCookies is a plain JavaScript library that displays a customizable, GDPR compliant cookie consent banner and automatically blocks third-party tracking codes (like Google Analytics, Facebook Pixel, etc) if the user rejects cookies.

buzz-notify

Small and Clean JavaScript Toast Notifications

bootstrap-show-modal

A Bootstrap plugin, to create modals dynamically in JavaScript

stack-alert

Stack Alert Library - A modern, lightweight JavaScript solution for stylish, customizable alert popups. Easily integrate into your project, providing a unique and interactive user experience. Elevate your website's alerts to the next level with our library.

jsconfirm-buttons

PowerButtons (formerly confirmbutton.js) is a JavaScript/Bootstrap plugin that supercharges web buttons with extra functionality like adding confirmation dialogs, verifying conditions, and showing alert messages.

biu

Biu is a simple, lightweight JavaScript for creating animated, auto-dismissable notification bars to replace the native JavaScript alert() dialog boxes. Helps you display multiple types of notification bars at the top of the webpage to engage your visitors and deliver important messages.

DisableMouseRightClick

A small JavaScript plugin that disables the mouse right click on your webpage to prevent content theft.

custom-alert

Override the alert () and confirm () functions of JavaScript, allowing you to customize them. This application does not use jQuery or another framework, just JavaScript and CSS. Responsive design.

sweetalert

A beautiful replacement for JavaScript's "alert"

blinkTitle.js

Is a Pure Javascript Implementation of TitleBar Alert or Notification.It Can Perform Blinking of Html Titlebar When Required.

dndod

dndod is a dependency-free JavaScript library that helps you create flexible, customizable alert/confirm dialogs, notification popups, and modal windows.

sweet-notifications

A lightweight JavaScript library to create sweet, flat-style alert/toast notification popups on the page.

noticejs

Javascript notification library

MarcDialogs.js

A vanilla JavaScript library for adding quick and stylish modal dialogs to your site

tiModal

A simple, lightweight and pure javascript modal plugin

Vanilla-Notify

Vanilla Javascript Notification Library

x0popup

An alternative to original alert, confirm and prompt.

Alert7.js

Create the iOS style alerts simply with pure JavaScript.

spoiler-alert

SPOILER ALERT! A happy little bit of javascript to hide spoilers on your site.

PurePopup

PurePopup.js is a standalone JavaScript library to replace the default JS popup boxes that let you create responsive, animated, pretty clean alert/confirm/prompt dialog popups on the webpage.

macOSNotifJS

macOSNotifJS is a JavaScript plugin to display slim, customizable, growl-style notifications & alerts inspired by Apple macOS.

euc

EU cookie alert in vanilla JS

cookie-warn

Cookie Warn is a pure JavaScript library that displays a responsive, customizable cookie notification bar to make your website comply with the EU cookie law.

material-notifications

Javascript library that follows Material Design Philosophy and allows use of Snackbar, Banners, and Alerts on your website

notice.js

notice.js is a small vanilla JavaScript notification plugin to display stackable temporary notice bars with progress bars representing the remaining time.

styled-notifications

A simple JavaScript notification library.

Prompt-Boxes

Javascript plugin for toast alerts, prompts and confirmation dialogs.

tinycon

Tinycon is a small yet useful JavaScript favicon manipulation library which adds custom, animated, dynamic badges to your browser’s favicon.

toaster-js

The vanilla JavaScript ES6 minimalistic toast pup-up messages module for your project.

SheepToasts

Just another vanilla JavaScript library used to displays Android / Material inspired toast notifications of various types (success, info, warning) on your web applications.