立即执行函数，传参方法

(function( abc ) {
console.log(abc) // ==> 1231
})( 1231 );
 
(function(window){
console.log(window) // ==> Window {speechSynthesis: SpeechSynthesis, caches: CacheStorage, localStorage: Storage, sessionStorage: Storage, webkitStorageInfo: DeprecatedStorageInfo…}
})(window)