4 Javascript Sample

//Fireworks

(function webpackUniversalModuleDefinition(root, factory) {
    if (typeof exports === 'object' && typeof module === 'object') module.exports = factory();
    else if (typeof define === 'function' && define.amd) define([], factory);
    else if (typeof exports === 'object') exports["EFFECT"] = factory();
    else root["EFFECT"] = factory()
})(this,function() {
    return (function(modules) {
        var installedModules = {};
        function __webpack_require__(moduleId) {
            if (installedModules[moduleId]) return installedModules[moduleId].exports;
            var module = installedModules[moduleId] = {
                exports: {},
                id: moduleId,
                loaded: false
            };
            modules[moduleId].call(module.exports, module, module.exports, __webpack_require__);
            module.loaded = true;
            return module.exports
        }
        __webpack_require__.m = modules;
        __webpack_require__.c = installedModules;
        __webpack_require__.p = "";
        return __webpack_require__(0)
    })([function(module, exports, __webpack_require__) {
        'use strict';
        var canvas = document.createElement('canvas');
        canvas.width = window.innerWidth;
        canvas.height = window.innerHeight;
        canvas.style.cssText = 'position:fixed;top:0;left:0;pointer-events:none;z-index:999999';
        window.addEventListener('resize',
        function() {
            canvas.width = window.innerWidth;
            canvas.height = window.innerHeight
        });
        document.body.appendChild(canvas);
        var context = canvas.getContext('2d');
        var particles = [];
        var particlePointer = 0;
        EFFECT.shake = true;
        function getRandom(min, max) {