To answer the original question, the most elegant and neat implementation of a noop function in pure Javascript (as is also discussed here) is Function. fill (null), xIsNext: true, }), 3000); } Secondly, since you are calculating winner in render function, you would add another state variable to keep track of the countdown and then trigger. It is not invoked for empty slots in sparse arrays. getElementById读取信息，但是使用document. 5. mediaDevices. Here are a few examples: Library. For more information about the onRejected handler, see the catch () reference. Code executed by setTimeout () is run in a separate execution context to the function from which it was called. – mrienstra. The clearImmediate method can be used to clear the immediate actions, just like clearTimeout for setTimeout (). let timeoutID =. MDN setTimeout Documentation. Promises are the foundation of asynchronous programming in modern JavaScript. The REPL has a very similar example that implements the mechanism that you want to implement here. The dispatchEvent () method of the EventTarget sends an Event to the object, (synchronously) invoking the affected event listeners in the appropriate order. script. Second, the call stack is empty. Learn to style content. Simple, Settimout function get triggered after 6000 milliseonds. When an element's content does not generate a vertical scrollbar, then its scrollTop. 이벤트 루프 의 임의 시점에, 런타임은 대기열에서 가장 오래된 메시지부터 큐에서 꺼내 처리하기 시작합니다. setTimeout. The WebSocket object provides the API for creating and managing a WebSocket connection to a server, as well as for sending and receiving data on the connection. However, if a custom image is desired, the DataTransfer. active sandboxing flag set sandboxed modals flag. 2. Possible values are: The page content may be at least partially visible. The provider of the API (called the caller) takes the function and. 193k 38 38 gold badges 301 301 silver badges 306 306 bronze badges. setTimeout() Executes the function specified by. Jan 22, 2013 at 12:56. sandboxed modals flag. The global clearInterval () method cancels a timed, repeating action which was previously established by a call to setInterval () . Reasons for delays longer than specified. It executes the given function (or evaluates the given string) after the time given as second parameter passed. Overview / MDN Learning Area. The main use case for this event is to trigger a browser-generated confirmation dialog that asks users to. . log(self); }, 500, this); This is better in terms of performance than a scope lookup (caching this into a variable outside of the timeout / interval expression), and then creating a closure (by using $. SpeechSynthesis. bind(null, topicId), 4000);, however passing extra arguments is simpler, and that's preferable. await is usually used to unwrap promises by passing a Promise as the expression. setTimeout() is an asynchronous function, meaning that the timer function will not pause execution of other functions in the functions stack. See syntax,. The Promise chain would " swallow " this exception (it wouldn't get thrown globally), so to get out of this Promise chain, we have to call setTimeout from. 4. load イベントは、ページ全体が、スタイルシートや画像などのすべての依存するリソースを含めて読み込まれたときに発生します。これは DOMContentLoaded が、ページの DOM の読み込みが完了すれば、リソースの読み込みが完了するのを待たずに発生するのと対照的. Canceling a Timer. debounce (300, saveInput); Lodash. race () to detect the status of a promise. Functions are generally called in first-in-first-out order;. Uint8Array. setTimeout(makeTimeout. css:如果不懂css怎么用，那么google搜索比如：animation mdn。SpeechSynthesis also inherits properties from its parent interface, EventTarget. This example is adapted from promise-status-async. requestAnimationFrame will skip all delayed tasks and processes based on current time. prototype. setTimeout (要执行的代码, 等待的毫秒数) setTimeout (JavaScript 函数, 等待的毫秒数) 在测试代码中我们可以看到页面在开启三秒后, 就会出现一个 alert 对话框。. Document. This value can be passed to clearTimeout() to cancel the timeout. setTimeout() MDN對 setTimeout 的定義為：. As a setter this will replace the element's children with the given. 允许你使用document. setTimeout ( [delay [, value [, options]]]) timersPromises. now(); let times = []; setTimeout(function run() { times. g. The Request interface of the Fetch API represents a resource request. The following examples show how to use the scroll event with an event listener and with the onscroll event handler property. Corresponds to scrollIntoViewOptions: {block: "end", inline: "nearest"} . classList is a read-only property that returns a live DOMTokenList collection of the class attributes of the element. The setTimeout () method is used to throttle the event handler because scroll events can fire at a high rate. The default value is 0, which means there is no timeout. trying to use a promise as a value). log(this); } [1, 2, 3]. Using setTimeout() and abort controller you can create fetch() requests that are configured to timeout when you'd like to. The setTimeout ( ) method defers the execution of the JavaScript statements in the string code for delay milliseconds. MDN Docs: setTimeout () From the docs: The global setTimeout () method sets a timer which executes a function or specified piece of code once the timer expires. console. Dado que la mayoría de las personas consumen promises ya creadas, esta guía explicará primero cómo consumirlas, y luego cómo crearlas. The document is still loading. setTimeout() にメソッドを. example from the doc: import { setTimeout } from 'timers/promises' const res = await setTimeout (100, 'result') console. A positive long value representing the maximum length of time (in milliseconds) the device is allowed to take in order to return a position. MDN Web Docs コミュニティーについてもっと知り、仲間になるにはこちらから。. Take a look at the MDN page for setTimeout. El método setTimeout() establece un temporizador que ejecuta una función o una porción de código después de que transcurre un tiempo establecido. clearTimeout () グローバルの clearTimeout () メソッドは、 setTimeout () の呼び出しによって以前に確立されたタイムアウトを解除します。. async/await builds on promises — for example, doSomething() is. When you assign it to the same global var, you are just overwriting the value – Phil. 그러나 명확성을 위해 코드를 유지 관리할 때 혼동을 피하기 위해 항상 일치하도록 노력해야 합니다. js setTimeout. Learn web development. The MDN editor that did introduce that exception throwing here did so because the specs ask that queueMicroTask reports any exception that would be thrown during callback execution. Actually one of the examples on that MDN page is for use with setTimeout(). async および await キーワードを使用することで、プロミスベースの非同期の動作を、プロミスチェーンを明示的に構成する必要なく、よりすっきりとした. This timeout, if set, gives the browser a time in milliseconds by which it must execute the callback: // Wait at most two seconds before processing events. The globalThis property provides a standard way of accessing the global this value (and hence the global object itself) across environments. Web APIs. Have a look at: MDN Web Docs: setTimeout(), W3Schools: setTimeout() MDN Web Docs: clearTimeout(), W3Schools: clearTimeout() W3Schools: JavaScript Timing Events. debounce (saveInput, 300);Web Workers are a simple means for web content to run scripts in background threads. 它是一个在 JavaScript 引擎等待任务，执行任务和进入休眠状态等待更多任务这几个状态之间转换的无限循环。. 0 mdn/content. request. The REPL has a very similar example that implements the mechanism that you want to implement here. The preventDefault () method of the Event interface tells the user agent that if the event does not get explicitly handled, its default action should not be taken as it normally would be. For compatibility, you can include bind's source, which is available at MDN, allowing you to use it in browsers that don't support it natively. . (以下、MDN)のコンテンツを翻訳した内容を基に構成されています。 構成について異なる点も含まれますので、下記の項目を確認し、必要に応じて元のコンテンツをご確認ください。The returned timeoutID is a positive integer value which identifies the timer created by the call to setTimeout(). You would need to use setTimeout to monitor the value of the variable. The scripts will then be interrupted and a script timeout. The second parameter receives a number that represents the time in milliseconds (1s = 1000ms), which defines the time needed for the callback to execute. The escape () and unescape () functions are deprecated. setTimeout(makeTimeout. In Firefox, Opera, and Chrome, createElement (null) works like createElement ("null"). setTimeout and setInterval return a number. uınbɐɥs uınbɐɥs. WindowOrWorkerGlobalScope. name), 250); This function, however, is an ECMAScript 5th Edition feature, not yet supported in all major browsers. If Array. await を用いると、プロミスが決定（つまり、履行または拒否）されるまで、その周囲にある async 関数の実行が一時的に停止されます。. 8 hours agoWhen calling setTimeout or setInterval, a timer thread in the browser starts counting down and when time up puts the callback function in javascript thread's execution stack. The following article provides an outline for Node. The keydown and keyup events provide a code indicating which key is pressed, while keypress indicates which character was entered. Creating a Promise around an old callback API. In case anyone wants it, you can also make the timer async and await it: this. setTimePassed (); }, 400); 'setTimeout' is. It is guaranteed that a timeoutID value will never be reused by a subsequent call to setTimeout() or setInterval() on the same object (a window or a worker). clearInterval () global function. See the following example:If you're new to setTimeout() MDN has a pretty straightforward guide you can play around with. drawImage (this,0,0); }; Assuming that ctx has been assigned a 2D context at time you load the image. It just happens that a value of 1 year overflows to a. Learn to structure web content with HTML. While the article Using the MediaStream Recording API demonstrates using the MediaRecorder interface to capture a MediaStream generated by a hardware device, as returned by navigator. requestIdleCallback() method queues a function to be called during a browser's idle periods. } [, interval]); The above function code will be executed after the given interval. Vea el siguiente ejemplo:Description. For example, all iterative array methods and related ones like Set. In other words, you cannot use setTimeout () to create a "pause" before the next function in the function stack fires. This page lists all the HTML elements, which are created using tags. So if you have a large task before it which takes say 5 ticks, your function will execute later. setTimeout () is an asynchronous function, meaning that the timer function will not pause execution of other functions in the functions stack. Timeout", and it is possible to use it as follows:Date. Check the browser support for the abort controller. The hostname property of the Location interface is a string containing the domain of the URL. Timers Promises API timersPromises. Improve this answer. setInterval() Starts repeatedly executing the function specified by function every delay milliseconds. The setTimeout () method is used to throttle the event handler because scroll events can fire at a high rate. After the element. random () static method returns a floating-point, pseudo-random number that's greater than or equal to 0 and less than 1, with approximately uniform distribution over that range — which you can then scale to your desired range. The basic syntax is: let boundFunc = func. name), 250); This function, however, is an ECMAScript 5th Edition feature, not yet supported in all major browsers. MDN Community; MDN Forum; MDN Chat; Developers. 1. In comparison, the Promise returned by Promise. setTimeout (function () { //do some stuff }. In addition, they can make network requests using the fetch () or XMLHttpRequest APIs. If you write it in quotes, the setTimeout-js-method interprets. `);The CanvasRenderingContext2D. In this function, if promise is pending, the second value, pendingState, which is a non. The location. 3. It is better to move that call inside setTimeout () function parameter. Elements in HTML have attributes; these are additional values that configure the elements or adjust their behavior in various ways. If a higher-level policy is not available, the empty string is treated as being. Por ejemplo, cuando se ejecuta el siguiente código, la cadena "1 segundo" finalmente se convierte en el número 0 y, por lo tanto, el código se ejecuta. now() - start); // remember delay from the previous call if (start + 100 <. prototype is a function: typeof Function. eval () is a function property of the global object. To clear all timeouts they must be "captured" first: Place the below code before any other script and it will create a wrapper function for the original setTimeout & clearTimeout. Jan 22, 2013 at 12:56. It allows users to execute callbacks after a period of time expressed in milliseconds. setTime () The setTime () method of Date instances changes the timestamp for this date, which is the number of milliseconds since the epoch, defined as the midnight at the beginning of January 1, 1970, UTC. 時間切れになると関数または指定されたコードの断片を実行するタイマーを設定します。 （MDNより） setIntervalとの違いはsetIntervalは指定間隔ごとに実行され続けるのに対して、setTimeoutは指定した関数が1回のみ実行されます。setTimeout () es una función asíncrona, lo que significa que la función del temporizador no pausará la ejecución de otras funciones en la pila de funciones. MDN documentation of setInterval. Then there are two sections of code where setTimeout is used, for our purposes they are the same (one. timeout property is an unsigned long representing the number of milliseconds a request can take before automatically being terminated. The default setting is off. , 4)), which would slow down execution even more. It includes padding but excludes borders, margins, and vertical scrollbars (if present). => setTimeout( ()=> this. If there is a possibility that your logic could take longer to execute than the interval time, it is recommended that you recursively call a named function using window. I have three divs: #city-back - the background behind the city #city-middle - the div I want "flashing at random" which is currently display:noneそれより遅いタイミングでカスタムイベントを送るため、ページコンポーネントで mounted を使い、つぎに nextTick でDOM の更新サイクル後にして、さらに setTimeout で非同期にした上で少し遅らせる（調べきれてないですが、非同期にするだけでは確実ではない. setTimeout) sets a timer which executes a function or specified piece of code. Given below is the syntax mentioned: 1. printed copy), or the representation of a physical form (e. Creating a helper function that does nothing other than wrapping the old callback function inside a promise. Autrement dit, on ne peut pas utiliser setTimeout () afin de créer une pause avant que la prochaine fonction de la pile soit déclenchée. However,. race () resolves to the first non-pending promise in the iterable, we can check a promise's state, including if it's pending. Because the purpose of setTimeout (MDN | spec) is to schedule a call to a function later, asynchronously. testPromise() メソッドは、 setTimeout() を用いて、 1 秒から 3 秒のランダムな時間の後、メソッドがこれまでに呼ばれた回数で履行されるプロミスを作成します。 Promise(). reload () differs from the origin of the page that owns the Location object. name), 250); This function, however, is an ECMAScript 5th Edition feature, not yet supported in all major browsers. Strict mode isn't just a subset: it intentionally has different semantics from normal code. The bind () function creates a new bound function. A boolean value that returns true if the SpeechSynthesis object is in a paused state. Make sure to call beginPath () before starting to draw new items after calling clearRect () . push () to append an element to an array. We're passing in two parameters: the string "click", to indicate that we want to listen to the click event. name), 250); This function, however, is an ECMAScript 5th Edition feature, not yet supported in all major browsers. proxy or Function. Keeping the parentheses invokes the function immediately. だから何も起こらない。. Since node v15, you can use timers promise API. It requests the browser to call a user-supplied callback function prior to the next repaint. EventTarget: dispatchEvent () method. Promise. setImmediateAnother approach – the variable parameter list. This method returns an interval ID which uniquely identifies the interval, so you can remove it later by calling clearInterval (). switch. It may be helpful to be aware that setTimeout() and setInterval() share the same pool of IDs, and that clearTimeout() and clearInterval()setTimeout() andWindow: requestAnimationFrame () method. : setTimeout MDN. Web Technologies;A simple example showing a fetch operation that will timeout if unsuccessful after 5 seconds, is shown below. behavior. setTimeout. Recall that setTimeout() is explained in the JavaScript and the DOM: Events lesson. timeoutCheck = setTimeout ( () => { this. MDN Web Docs: Web APIs and Interfaces. In web pages, the window object is also a global object. setTimeout(undefined,4000) を実行している事になる。. setTimeout). The HTML DOM API is made up of the interfaces that define the functionality of each of the elements in HTML, as well as any supporting types and interfaces they rely upon. Use encodeURI (), encodeURIComponent (), decodeURI (), or decodeURIComponent () to encode and decode escape sequences for special characters. The fulfillment of the promise is logged, via a fulfill callback set using p1. setInterval () O método setInterval () oferecido das interfaces Window e Worker, repetem chamadas de funções ou executam trechos de código, com um tempo de espera fixo entre cada chamada. Widely used JS libraries already contain its implementation. Promise. then (). 10. It is guaranteed that a timeoutID value will never be reused by a subsequent call to setTimeout() or setInterval() on the same object (a window or a worker). disconnect() Stops the MutationObserver instance from receiving further notifications until and unless observe() is called again. 为被调用的函数设置 this 关键字的通常规则适用. That's why you can call setTimeout (). Because Promise. 呼び出された関数に this キーワードを設定する通常の規則を適用して、呼び出しあるいは bind で this を設定しなければ、厳格モードで. This is really weird, as Firefox 39 and Safari 8. You will be using setTimeout() to build other functions in the game, so make sure to understand how it works. ; idle, prepare: only used internally. 이를. setTimeout (function () { //do some stuff }. This avoids using the deprecated arguments. aria-live: The aria-live=POLITENESS_SETTING is used to set the priority with which screen reader should treat updates to live regions - the possible settings are: off, polite or assertive. addEventListener() on MDN for full details. The callback function is not executed before other functions above it in the stack finishes. showUp() This function simply calls the showAndHide() function with a specific delay and hole. JavaScript 的並行模型（concurrency model）是基於「事件循環（event loop）」，其在運作上跟 C 或是 Java 有很大的不同。So, let’s try to understand the setTimeout function. 1. The following examples show how to use the scroll event with an event listener and with the onscroll event handler property. If the array is empty (that is, its length property is 0), then no matches were found. A second later, the callback is called by the timer, and. Once the NodeList of matching elements is returned, you can examine it just like any array. 当. To understand where queueMicrotask. In this way, you can access the global object in a consistent manner without having to know. This event is not cancelable and. It would really help to see some code implementation but generally a callback with a timeout delay of 0 would call the given callback instantly. All global variables are properties of the window object. bind(this, sp. 11. If you need to pass one or more arguments to your callback function, but need it to work in browsers which don't support sending additional parameters using either setTimeout() or setInterval() (e. The bind () method creates a new function that, when called, has its this keyword set to the provided value, with a given sequence of arguments preceding any provided when the new function is called. Time in milliseconds to wait for the document to finish loading. Browsers not supporting strict mode will run strict mode code with different behavior from browsers that do, so don't rely on. Individual CSS property values are accessed through APIs provided by the object, or by indexing with CSS property names. ; pending callbacks: executes I/O callbacks deferred to the next loop iteration. It logs 3, 3, and 3. The load event is fired when the whole page has loaded, including all dependent resources such as stylesheets, scripts, iframes, and images. Recall the setTimeout is explained in the 'JavaScript and the DOM: Events' lesson. Code executed by setTimeout () is called from an execution context separate from the function from which setTimeout was called. This value is a <length> or <percentage> representing the abscissa (horizontal, x-component) of the translating vector [tx, 0]. Window: load event. For example, if you change the color of an element from white to black, usually the. g. 6 hours ago; fix: typos in JavaScript Guide, Expressions and operators mdn/content. split method — the typical example being a regular expression. prototype. Follow answered Jun 5, 2012 at 22:21. Jest can swap out timers with functions that allow you to control the passage of time. Specifies the number of pixels along the X axis to scroll the window or element. About; Blog; Careers; Advertise with us; Support. SpeechSynthesis. In other words, you cannot use setTimeout() to create a "pause" before the next function in the function stack fires. If you need to pass an argument to your callback function, but need it to work in Internet Explorer, which doesn't support sending additional parameters (neither with setTimeout() or setInterval()) you can include this IE-specific compatibility code which will enable the HTML5 standard parameters. 각각의 메시지에는 메시지를 처리하기 위한 함수가 연결되어 있습니다. After the beginning of the element (first child) afterend. US-03: Implement activatePads(sequence)The XMLHttpRequest method setRequestHeader () sets the value of an HTTP request header. Note that they are executed only once. In other words, you cannot use. In the second loop, the variable i was declared using the let keyword: variables declared with the let (and const) keyword. If you need repeated executions, use setInterval () instead. The user agent string is built on a formal structure which can be. Then you call test2 which prints immediately. We would like to show you a description here but the site won’t allow us. Reference: setTimeout | MDN. setTimeout is. Alternatively, you can use setTimeout(postinsql. Internet Explorer 9 and below), you can include this polyfill which enables the HTML5 standard parameter-passing. setTimeout (functionRef, delay) // Parameters // functionRef - A **function** to be executed after the timer expires. These objects are available in all modules. Read more about setTimeout. The keyup event is fired when a key is released. This example is adapted from promise-status-async. If a function expression is named, the name property of the function is set. This enables developers to perform background and low priority work on the main event loop, without impacting latency-critical events such as animation and input response. For. First there's the setInterval(), setTimeout(), and window. getOwnPropertyNames () itself does not contain the symbol properties of an object and only the string properties. Note how the code looks exactly like synchronous code, except for the await keywords in front of promises. Second, the call stack is empty. observe() Configures the MutationObserver to begin receiving notifications through its callback function when DOM changes matching the given options occur. The load event is fired when the whole page has loaded, including all dependent resources such as stylesheets, scripts, iframes, and images. Use setTimeout function: setTimeout(function() { /*code here*/ }, 10000 /*time in milliseconds*/ ); Read more about it @ setTimeout: MDN. then () returns a new promise object. g. window. An uppercase "A" is reported as 65 by all. Note. // delay - The time, in milliseconds that the timer should wait. // delay - The time, in milliseconds that the timer should wait. When using setRequestHeader (), you must call it after calling open (), but before calling send () . If the server is busy, the interval will be increased to 10, 20, 40 seconds, and more. The feature can be emulated in a few different ways: postMessage can be used to trigger an immediate but yielding callback. Alarms do not persist across browser sessions. The Workers runtime is updated at least once a week, to at least the version that is currently used by Chrome’s stable release. confirm () instructs the browser to display a dialog with an optional message, and to wait until the user either confirms or cancels the dialog. It can happen in multiple situations (non-exhaustive list):The native timer functions (i. Note: If your task is already promise-based, you likely do not need the Promise () constructor. HTML Standard. y-coord is the vertical pixel value that you want to scroll by. The console object provides access to the browser's debugging console (e. Under some conditions — for example, when the user switches tabs — the browser may not actually display a dialog, or may not wait for the user to confirm or cancel. See the following example: To take advantage of the readability improvement and language features offered by promises, the Promise () constructor allows one to transform the callback-based API to a promise-based one. length) + : ScriptRuntime. MDN Web Docs WindowOrWorkerGlobalScope. all () The Promise. The Element. log (res) // Prints 'result'. In this module, we take a look at asynchronous JavaScript, why it is important, and how it can be used to effectively handle potential blocking operations, such as fetching resources from a server. This enables developers to perform background and low priority work on the main event loop, without impacting latency-critical events such as animation and input response. window. 在指定的延遲時間之後呼叫一個函式或執行一個程式碼片段。 語法. Roko C. 8 log setTimeout before promise1 and promise2 - although it appears to be a race condition. You can create a new Request object using the Request() constructor, but you are more likely to encounter a Request object being returned as the result of another API operation, such as a service worker FetchEvent. 13. Cloudflare Workers uses the V8 JavaScript engine from Google Chrome. window. Popover content can be controlled either declaratively using HTML attributes, or via JavaScript. bind (this), 1000); this allow you to not think about this. setTimeoutImpl(code, timeout, params); + } + + @Deprecated + public int setTimeout(final Object code, int timeout, final Object language) {+ return setTimeoutImpl(code, timeout, ScriptRuntime. Escape sequences. New! Announcing Tabnine Chat Beta. This means: Content scripts cannot see JavaScript variables defined by page scripts. — MDN#setTimeout. ) EventTarget SpeechSynthesisUtterance. Remove the parenthesis in setTimeout (startTimer (),startInterval);. DEMO. Instead of having property changes take effect immediately, you can cause the changes in a property to take place over a period of time. Browsers tend to handle the popstate event differently on page load. The ordinate (vertical, y-component) of the translating vector will be set to 0. The REPL has a very similar example that implements the mechanism that you want to implement here. Whatever you want to do with the value you get, you need to do it from the function you pass to setTimeout. Use the clearTimeout () method to prevent the function from starting. Arrow functions cannot be used as constructors. For additional examples that use requestAnimationFrame (), see the Document: scroll event page. requestIdleCallback(processPendingAnalyticsEvents, { timeout: 2000 }); If your callback is executed because of the timeout firing you’ll notice two things:3、3、3 とログ出力します。 なぜかと言うと、それぞれの setTimeout が i 変数を閉じる新しいクロージャを作成しますが、i がループ本体のスコープでない場合、すべてのクロージャは最終的に呼び出されたときに同じ変数を参照します。 そして setTimeout の非同期であるため、すでにループが終了. then () returns a new promise object. pending Read only . Once created, a worker can send messages to the JavaScript code that created it. Event: preventDefault () method. Coins. bind ). 0 coins. async-animations. Once established, you can reference elements in the array using the object's methods, or using standard array index syntax (that is, using bracket notation). HTML. The reason is that each setTimeout creates a new closure that closes over the i variable, but if the i is not scoped to the loop body, all closures will reference the same variable when they eventually get called — and due to the asynchronous nature of setTimeout, it will happen after the loop has already exited,. The response of the request is returned to the anonymous async function within the setTimeout, but I just do not know how I can return the response to the sleep function resp. Microsoft Edge, Firefox 40, iOS Safari and desktop Safari 8. 6. In the second loop, the variable i was declared using the let keyword: variables declared with the let (and const) keyword are block-scoped (a block is anything between { }). That function is what setTimeout will call after the timeout has expired. setTimeout(makeTimeout. In JavaScript, closures are created every time a function is created, at function creation time. If a mapFn is provided, its input and output are internally awaited. To clear a timeout, use the id returned from setTimeout(): myTimeout = setTimeout(function, milliseconds); Then you can to stop the execution by calling clearTimeout(): clearTimeout(myTimeout); See Also:Value. race () resolves to the first non-pending promise in the iterable, we can check a promise's state, including if it's pending. The bind () method creates a new function that, when called, has its this keyword set to the provided value, with a given sequence of arguments preceding any provided when the new function is called. 2. The console object can be accessed from any global object. As specified in the HTML standard, browsers will enforce a minimum timeout of 4 milliseconds once a nested call to setTimeouthas been scheduled 5 times. Using classList is a convenient alternative to accessing an element's list of classes as a space-delimited string via element. reload () method reloads the current URL, like the Refresh button.