setInterval () によって実行されるコードは、 それが呼び出された関数とは別のコンテキスト内で実行されます。. setInterval () global function. , any local variables of function a(). The consequence of this is that if you request a 1000ms delay,. web jave. sandboxed modals flag. setInterval () global function. The window. Window: confirm () method. The HTML DOM API. 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. A boolean that, when set to true, specifies behavior that mitigates custom element issues around focusability. window. If you want to execute a function. The consumer of a callback-based API writes a function that is passed into the API. It returns an interval ID which uniquely identifies the interval, so you can remove it later by calling clearInterval(). intervalID is just a number returned by the setInterval function that identifies which interval is going on. clearInterval () to cancel the timeout. The next timeout will be set when the previous action is already done, so it won't stack up. ; When foo returns, the top frame element is popped out of the stack. Use encodeURI (), encodeURIComponent (), decodeURI (), or decodeURIComponent () to encode and decode escape sequences for. Calling the bound function generally results in the execution of the function it wraps, which is also called the target function. The returned timeoutID is a numeric, non-zero value which identifies the timer created by the call to setInterval (); this value can be passed to Window. The Image () constructor creates a new HTMLImageElement instance. Product Promise. ; poll: retrieve new I/O events; execute I/O related callbacks (almost all with the exception of close callbacks, the ones scheduled by timers,. js uses system timers to know when the next timer should fire. setInterval tries it's best to run at "n * duration" intervals. Timers are used to schedule functions to happen at a later time. そのため、呼び出された関数の this キーワードには、 window (またはグローバル)オブジェクトが設定され、 setTimeoutを呼び出した関数の this 値とは. SetInterval in JavaScript. href returns the href (URL) of the current page. Add a comment. The following variables may appear to be global but are not. Element: animate () method. declare () { console. setTimeout and setInterval are the only native functions of the JavaScript to execute code asynchronously. This object has a finished property, which is a Promise that is fulfilled when the animation has finished playing. Arrow function expressions. 5. 6 Answers. Try it. setTimeout() Executes the function specified by. Do it like this: setInterval (myClock. window. I think for what you are trying to do you have done it correctly for using setTimeout. Luckily, creating such a function is rather trivial: The setInterval () function is used to execute a function repeatedly at a specified interval (delay). If you overwrite the reference of p for a setInterval it will just execute forever. The setInterval() function is very much like setTimeout(), using the same parameters such as the callback function, delay, and any optional arguments for passing to the callback function. The timer should count down from 90 to zero (seconds). log (tester); } For more info, you can check the docs. Because Promise. However, for clarity, you should avoid. Any help would be appreciated. js return a Timeout object, representing the ongoing timer. The consumer of a callback-based API writes a function that is passed into the API. log itself to be bound but nowadays they normally don't. Get protection beyond your browser, on all your devices. ); }; setInterval (this. The setInterval () method, offered on the Window and Worker interfaces, repeatedly calls a function or executes a code snippet, with a fixed time delay between each call. See the Screen. setInterval () global function. setInterval () global function. - Relevant Code is in the stop button click. Pass in the parameter to the function so its value is captured in the function closure and retained for when the timer expires. Functions are generally called in first-in-first-out order;. clearInterval(timerId); Remember, understanding the basics of SetInterval can greatly enhance your ability to create effective, time-sensitive. FAQ. send() method enqueues the specified data to be transmitted to the server over the WebSocket connection, increasing the value of bufferedAmount by the number of bytes needed to contain the data. I have successfully managed to make a div hide on click after 400 milliseconds using a setInterval function. Both scripts contain this: js. 3. relevant global object, as well as any. 첫 번째 setTimeout () 호출이 두 번째 호출 전에 5초의 "정지" 구간을. We assign the return timer ID number to myTimer. 4k 45 45 gold badges 233 233 silver badges 367 367 bronze. As a consequence, the this keyword for the called function is set to the window (or global) object, it is not the same as the this value for the function that called setTimeout. function createInterval (f,dynamicParameter,interval) { setInterval (function () { f (dynamicParameter); }, interval); } Then call it as createInterval (funca,dynamicValue,500); Obviously you can extend this for more. I fixed some syntax errors but I think the gist of this answer provides better. 1. The next timeout will be set when the previous action is already done, so it won't stack up. I'm trying to make a timer in javascirpt and jQuery using the setInterval function. It returns a handle that you can pass into clearInterval to stop it from firing: var handle = setInterval (drawAll, 20); // When you want to cancel it: clearInterval (handle); handle = 0; // I just do this so I know I've cleared the interval. Your code ( intId = setInterval(waiting(argument), 10000);) calls waiting() with argument, takes the return value, tries to treat it as a function, and sets the interval for that return value. location: port property. Example: setInterval () のコールバックは順番に setInterval () を呼び出し、最初のインターバルがまだ進行中であっても、別のインターバルを開始させることができます。. 21-30ms results in a delay of 30ms. setTimeoutを使用してsetIntervalのよう. JavaScript, setInterval() working beyond its timer. The W3Schools online code editor allows you to edit code and view the result in your browserCode executed by setInterval() runs in a separate execution context than the function from which it was called. Some additional global functions, namespaces objects, and constructors, not typically associated with the worker global scope, but available on it, are listed in the JavaScript Reference. Second of all, if your problem is that you are not able to clear the interval, then you need to paste the code for the user object and whichever code is modifying your intervalid object. According to MDN, it is considered "dangerous usage" if the function could execute for longer than the interval time. CSS 트랜지션 은 CSS 속성을 변경할 때 애니메이션 속도를 조절하는 방법을 제공합니다. A window for a given document can be obtained using the document. The slice () method preserves empty slots. race () to detect the status of a promise. First, replace where you initially called setInterval ()setInterval() This is one of the many timing events. - Hope this helps :) – The setInterval() method, offered on the Window and WorkerGlobalScope interfaces, repeatedly calls a function or executes a code snippet, with a fixed time delay between each call. padString Optional. The conventional and. ,*/ argN) setInterval () takes the following parameters: The function to be executed or, alternatively, a code snippet. length; This is how you can remove all active timers: for (var i = timers. Thanks!Visit Mozilla Corporation’s not-for-profit parent, the Mozilla Foundation. Callback function. This testcase lets you specify the number of runs and an interval/timeout time. The setInterval () method, offered on the Window and Worker interfaces, repeatedly calls a function or executes a code snippet, with a fixed time delay between each call. The length of the resulting string once the current str has been padded. Para usar uma função, você deve defini-la em algum lugar no escopo do qual você quiser chamá-la. 注目すべきは、 setTimeout () および setInterval () で使用される ID のプールは共有されますので、技術的には clearTimeout () および clearInterval () は互いに交換できま. By default, when a timer is scheduled using either setTimeout() or setInterval(), the Node. You have to create a new promise to post new value. Window : évènement load. From MDN. bind (myClock), 1000); codesandbox example. log (you shouldn't use await because as console. My problem is that I don't get how. takeRecords() Removes all pending. launch (); const page = await browser. To set a setTimeout for an async function, like a sleep function: First place this in your code as a function. Call JavaScript function after 1 second One Time. Already a subscriber? Get MDN Plus; References. This article provides suggestions for optimizing your use of the canvas element to ensure that your graphics perform well. print is not a function. It returns an interval ID which uniquely identifies the interval, so you can remove it later by calling clearInterval (). Next is an example of calling the doTask function with three arguments 1 , 2. setInterval() setTimeout() は、一定時間後に一度だけコードを実行する必要がある場合に完璧に機能します。しかし、何度も何度もコードを実行する必要がある場合、たとえばアニメーションの場合はどうなるのでしょうか。 そこで登場するのが、setInterval()です。To have it executed only once with minor delay, use setTimeOut instead: window. Stack Overflow. setTimeout() Calls a function or executes a code snippet after specified delay. setInterval() does the cyclic calls in itself(see edit) and returns the ID of the process handling the cyclic invokations. Sub-features. Optimizing canvas. What you can do is. idle. This object is created internally and is returned from setTimeout() and setInterval(). JavaScript SetTimeout and SetInterval are the only native function in JavaScript that is used to run code asynchronously, it means allowing the function to be executed immediately, there is no need to wait for the current execution completion, it will be for further execution. In a simple setInterval. User agents should also run the whenever the user asks for the opportunity to (e. (function me() { // Do something every 9 seconds setTimeout(me, 9000); })(); It's not quite the same, as it will wait until the do something is executed before waiting ~9 seconds to call it again. If you wanted to call setInterval you need move var p out of the function and make sure that you call clearTimeout(p) before you call another setInterval. The setInterval () method, offered on the Window and Worker interfaces, repeatedly calls a function or executes a code snippet, with a fixed time delay between each call. Using Promise. Syntax. setInterval( myCallback, 500, "Parameter 1", "Parameter 2",. It just prints out the date once but does not continue from there. At that moment, an event is inserted into the node. location. The timeout can also fire later when the page (or the OS/browser itself) is busy with other tasks. Timeout shouldn't be used for synchronous XMLHttpRequests requests used in a. js, Apache CouchDB and Adobe Acrobat. see MDN document here, the syntax below: var intervalID = window. log (i); }, 1000); } Your attempt is incorrect in both cases, with or without index. Note: Elements can have multiple animations applied to them. For example, all iterative array methods and related ones like Set. setInterval returns a number:. log (resp)}); }, 3000); or even setInterval (executeCommand, 1000, console. And. setInterval () global function. andAn integer ID that identifies the registered handler. name assignments, and setInterval calls. location. If you pass a function in, this means that the variable until is available (it's "closed in"): setInterval (function. js. ConclusionThe following code snippet shows creation of a SharedWorker object using the SharedWorker () constructor. clearInterval () global function. All browser compatibility updates at a glance. `);Of course if you REALLY want to use setInterval for some reason, @jbabey's answer seems to be the best one :) Share. -- Deno by example is a collection of annotated examples for how to use Deno, and the various features it provides. Specifies whether the scrolling should animate. setInterval() function takes two arguments. The setInterval() method of the WindowOrWorkerGlobalScope mixin repeatedly calls a function or executes a code snippet, with a fixed time delay between each call. JavaScript is a prototype-based, multi-paradigm,. setInterval (expression, timeout); runs the code/function repeatedly,. MessageChannel can be used reliably inside of Web Workers. The findLast () method is an iterative method. My issue is that it runs continually, I only need the function to execute once. See the following example (which uses setTimeout() instead of setInterval(). setInterval () global function. A for loop runs synchronously without delay (unless once is manually created). 1. Use the setInterval () method to run a function repeatedly after a delay time. 0" (my emphasis). 0. Esta sección proporciona una pequeña referencia a todos los métodos, propiedades y eventos disponibles a través del objeto DOM window. You may also call getElementsByClassName () on any element; it will return only elements which. The passed function will be invoked each X milliseconds (this interval is the second argument passed to setInterval). It returns an interval ID which uniquely identifies the interval, so you can remove it later by calling clearInterval(). In JavaScript an iterator is an object which defines a sequence and potentially a return value upon its termination. Element: mousedown event. Ok, first of all, you need to be aware that your setInterval call is missing a parameter because the call is of the form : setInterval(func, delay, [param1, param2,. Video and Audio APIs. The clearInterval() function in JavaScript clears the interval which has been set by the setInterval() function before that. setInterval will schedule the recurring execution of a function expression/reference passed as its first argument and return an unique identifier for this scheduling. If you want to learn more about the security risks for an implied eval, please read about it in the MDN docs section on Never Use Eval. The Document method querySelector () returns the first Element within the document that matches the specified selector, or group of selectors. After completion, it adds a short summary to a result list. The Window interface represents a window containing a DOM document; the document property points to the DOM document loaded in that window. Just to be clear, setInterval() is a native JavaScript function. setInterval() Starts repeatedly executing the function specified by function every delay milliseconds. setTimeout () 은 비동기 함수로서, 함수 스택의 다른 함수 호출을 막지 않습니다. The setInterval () method, offered on the Window and Worker interfaces, repeatedly calls a function or executes a code snippet, with a fixed time delay between each call. The clearInterval () function clears the event of calling a function periodically in a specified time by the setInterval () function. You can learn more about setTimeout in the MDN documentation. WindowOrWorkerGlobalScope. You're looking for a function that returns a Promise which resolves after some times (using setTimeout(), probably, not setInterval()). この ID は対応する setTimeout () から返されたものです。. Using setInterval will be more accurate, since the delay is. method ()},500)Try doing: setInterval (function () { for (var i = 0; i < 1000; i++) { // YOUR CODE } }, 10); You will actually make your code more efficient by avoiding the callback calling overhead and having longer intervals will make your code run more predictably. This method returns an interval ID which uniquely identifies the interval, so you can remove it later by calling clearInterval (). setInterval is different in two ways,1. delegatesFocus Optional. b = 1; var that = this; this. Hi i'm quite new to java script and for some reason setInterval does not seem to work when i run this code on firefox. It takes two parameters as arguments. A global variable, window, representing the window in which the script is running, is exposed to JavaScript code. Then we call clearInterval with myTimer to stop the timer. 1k 13 13 gold badges 94 94 silver badges 126 126 bronze badges. . Specifies the number of pixels along the X axis to scroll the window or element. setInterval() is a time interval based code execution method that has the native ability to repeatedly run a specified script when the interval is reached. Conclusion. See full reference on MDN Web Docs. js event loop will continue running as long as the timer is active. findLast () then returns that element and stops iterating through the array. const myWorker = new SharedWorker("worker. timerID is a numeric, non-zero value which identifies the timer created by the call to setInterval (); this value can be passed to clearInterval to clear the timer. intervalID is just a number returned by the setInterval function that identifies which interval is going on. Dec 2, 2011 at 3:08. This method is offered on the Window and Worker interfaces. Code executed by setInterval() runs in a separate execution context than the function from which it was called. The function will use setInterval to make the following task every 1s: fetch the URL and put the response text into the text content of the provided element. The identifier of the repeated action you want to cancel. I don't think there's anything we can do to help you here. The setInterval() method of the WindowOrWorkerGlobalScope mixin repeatedly calls a function or executes a code snippet, with a fixed time delay between each call. It calls a provided callbackFn function once for each element in an array in descending-index order, until callbackFn returns a truthy value. At the moment I'm trying to create a slideshow for pictures (when arrow is clicked, another picture slides in, all pictures are in a row in html). 0. Previous. @eknoor4197: Yes, setInterval can be used without clearInterval: The timer will never stop firing. 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. Specifically, an iterator is any object which implements the Iterator protocol by having a next () method that returns an object with two properties: value. Example #1. The method requires the ID returned by SetInterval as an argument:. This method returns an interval ID which uniquely identifies the interval, so you can remove it later by calling clearInterval (). geolocation read-only property returns a Geolocation object that gives Web content access to the location of the device. . Functions are generally called in first-in-first-out order; however, callbacks which have a timeout specified may be. 5. window. requestAnimationFrame () method tells the browser that you wish to perform an animation. setInterval() Starts repeatedly executing the function specified by function every delay milliseconds. Browsers including Internet Explorer, Chrome, Safari, and Firefox store the delay as a 32-bit signed integer internally. It's worth noting that the pool of IDs used by setInterval() and setTimeout() are shared, which means you can technically use clearInterval() and clearTimeout() interchangeably. As we keep holding this key, the keydown event does not continue to fire repeatedly because it does not produce a character key. 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。. The Trick. From MDN setTimeout(): Code executed by setTimeout() is run in a separate execution context to the function from which it was called. Returns a value which can be used to cancel the timer. Whether polling on the client or server sides, being reactive to specific conditions helps to improve user experience. setInterval() メソッドは Window および Worker メソッドで提供され、一定の遅延間隔を置いて関数やコードスニペットを繰り返し呼び出します。The value of this is set depending on how a function is called. These can be passed to clearInterval or clearTimeout to shutdown the timer entirely, but they also have a little-used unref () method. This method returns a numeric value or a non-zero. Ive tried running it on Microsoft edge but it still does not work. process. It evaluates an expression or calls a function at given intervals. Code executed by setInterval() runs in a separate execution context than the function from which it was called. Updates. CSS. race () resolves to the first non-pending promise in the iterable, we can check a promise's state, including if it's pending. I recommend you try this: setInterval ( () => { executeCommand (function (resp) {console. 반환된 intervalID 는 setInterval () 호출로 생성된, 타이머를 식별하는 0이 아닌 숫자 값입니다. Post your current code and we might be able to guide you further. setTimeout/setInterval is part of standard DOM, not the isolated world , so when you use it inside a content script, the web page script can clear them. And that's how setTimeout and setInterval works, even though we specify 300 ms in the setTimeout it will execute after "foo" completes it's execution in this case i. MDN – Event Reference; MDN – EventTarget. javascript; node. setInterval(func, delay) The parameters are defined as: func: A function to be executed every delay milliseconds. Ideally, the function would run at the given interval, but this is not always the case if the execution of the function takes longer than the interval. setInterval() timer not working. ) The meaning is the same for all the arguments. Search MDN Clear search input Search. Description The setInterval () method calls a function at specified intervals (in milliseconds). The method requires the ID returned by SetInterval as an argument: clearInterval(timerId); Remember, understanding the basics of SetInterval can greatly enhance your ability to create effective, time-sensitive functionalities in your. When called on the document object, the complete document is searched, including the root node. 0. This method returns an interval ID which uniquely identifies the interval, so you can remove it later by calling clearInterval (). Specifically, it says: var intervalID = window. The identifier of the repeated action you want to cancel. Specifies the number of pixels along the X axis to scroll the window or element. postMessage can be used to trigger an immediate but yielding callback. Passing string literalssetInterval (func, delay) → {Object} This method repeatedly calls a function or executes a code snippet, with a fixed time delay between each call. It returns an interval ID which uniquely identifies the interval, so you can remove it later by calling clearInterval(). The global clearInterval () method cancels a timed, repeating action which was previously established by a call to setInterval () . element. According to the setTimeout documentation on the public wiki MDN there is indeed a maximum, though it doesn't seem "official" - the limitation is a signed 32 bit integer. However I also have an other function also calling it. JavaScript clearInterval () Function: The clearInterval () function in javascript clears the interval which has been set by the setInterval () function before that. clearInterval (intervalID) intervalID es el identificador de la acción reiterativa que se desea cancelar. Start using set-interval-async in your project by running `npm i set-interval-async`. When you call a function as a constructor using new then this will refer to the object being created. btn"). For a full demo on how to stop an interval see the the JavaScript MDN docs on setInterVal, specifically Example 2 - The following example will continue to call the flashtext() function once a second, until you clear the intervalID by clicking the Stop button. If you want to display a time with setInterval () then get the current time on each timer tick and display that. Also no one is going to notice that your code runs in bursts 1000 times every 1/100 of a. ,*/ argN) setInterval () takes the following parameters: The function to be executed or, alternatively, a code snippet. The string to pad the current str with. Why if I call main() without setInterval it works smoothly but with setInterval it fails? It's weird. Los programadores usan eventos de tiempo para retrasar la ejecución de cierto código, o para repetir código a un intervalo de tiempo específico. FollowWhat you have works for me. 0, v18. However, content scripts get a "clean" view of the DOM. click and see what. Syntax var. requestIdleCallback() method queues a function to be called during a browser's idle periods. answered May 2, 2013 at 7:12. js', 'bar. timeout[Symbol. ; You say you're getting errors but haven't said what those errors are. The only difference. 提示： 1000 毫秒= 1 秒。. Just save your this reference in some other variable, that is not overridden by the window -call later on. updateSeconds. Specifies the number of pixels along the Y axis to scroll the window or element. As a consequence, the this keyword for the called function is set to the window (or global) object, it is not the same as the this value for the function that called setTimeout. This does something magical: it keeps running your code, but stops it from. The header is fairly simple, since for this example all it contains is some text. Sorted by: 14. Latest version: 3. 예를 들어, 여러분이 어떤 요소의 색상을. If the data can't be sent (for example, because it needs to be buffered but the buffer is full), the socket is closed. 사용자의 제어를 필요로 하지. js is an internal construct that calls a given function after a certain period of time. @slebetman - According to MDN, setTimeout() was "Introduced with JavaScript 1. 참고: 노트: 이 메소드는 ParentNode 믹스인의 querySelectorAll (). We will cover setTimeout, async/await with Promises, and setInterval, providing examples and detailed explanations for each technique. It returns an interval ID which uniquely identifies the interval, so you can remove it later by calling clearInterval(). Stability: 1 - Experimental. 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. This method returns an interval ID which uniquely identifies the interval, so you can remove it later by calling clearInterval (). . querySelector("video"); video. importScripts () Imports one or more scripts into the worker's scope. 17 Answers. The setInterval() method, offered on the Window and Worker interfaces, repeatedly calls a function or executes a code snippet, with a fixed time delay between each call. JavaScript. e after 1s. The slice () method is a copying method. As with setTimeout, there is a minimum delay enforced. Consider also that: Any of the following cookie attribute values can optionally follow the key-value pair, each preceded by a semicolon. Support MDN and enjoy a focused, ad-free experience alongside other features such as curated collections, custom web platform updates, offline access, and more. 0. observe() Configures the MutationObserver to begin receiving notifications through its callback function when DOM changes matching the given options occur. setInterval() Calls a function or executes a code snippet repeatedly, with a fixed time delay between each call to that function. Values less than 0 or bigger than that are cast into int32 range, which can produce unexpected results. They can also see any changes that were made to the DOM by page scripts. The escape () and unescape () functions are deprecated. Feb 11 at 16:37 Add a comment 4 Answers Sorted by: 3 It would have worked as you expected if you were actually putting a function in the timer variable but you are. It has entries for each argument the function was called with, with the first entry's index at 0. The goal of every video game is to present the user (s) with a situation, accept their input, interpret those signals into actions, and calculate a new situation resulting from those acts. Contribute to mdn/content development by creating an account on GitHub. These can be passed to clearInterval or. log. location. The intrinsic width and height of the image in CSS pixels are reflected through the properties. Learn more →. intervalID = setInterval (function, delay, arg0, arg1, /*. Unlike the setInterval () method, the setTimeout () method executes the function only once. This interval will be used to trigger our. setTimeout() Executes the function specified by function in delay milliseconds. length, then str is returned as-is. setTimeout(function, delay) delay 밀리세컨드(1,000분의 1초) 경과후, function 함수를 실행합니다. getElementsByTagName () and the. This method returns an interval ID which uniquely identifies the interval, so you can remove it later by calling clearInterval() . An arrow function expression is a compact alternative to a traditional function expression, with some semantic differences and deliberate limitations in usage: Arrow functions don't have their own bindings to this, arguments, or super, and should not be used as methods. Now the problem is that, my code keeps scrolling, but it doesn't wait for the other stuff inside setInterval to finish, as it keeps scrolling every 2 seconds, but normally extractDate function should take longer than 2 seconds, so I actually want to await for everything inside setInterval to finish before making the call to the new interval. In such a case, MDN recommends using. That's partly because JS is single threaded and partly for other reasons. This, in essence, lets you establish an acceleration curve so that the speed of the transition can vary over its duration. setInterval is a time interval based code execution method that has the native ability to repeatedly run specified script when the interval is reached. setInterval () Schedules the execution of a function every X milliseconds. x-coord is the horizontal pixel value that you want to scroll by. ~24 days. ; You're passing the result of searchTarget to setInterval rather than passing a reference to the function searchTarget. 3. availHeight properties. This object has provided SetInterval() to repeat a function for every certain amount of time. Portions of this content are ©1998–2023 by individual mozilla. Promise as a feature, resolve only one time. A few thoughts: setTimeout et al aren't a bad way to introduce asynchronous programming; whether they need to be introduced in depth to introduce the concept I'm less sure; the title "cooperative async JS" is weird; I know it's not one that I would have used, nor one that evokes anything related to setTimeout et al; while there are a number of use. but that is irrelevant to the core misunderstanding: "will setInterval() wait until the first request completes?" No, not as envisioned. The clearImmediate method can be used to clear the immediate actions, just like clearTimeout for setTimeout (). JavaScript setTimeout () & setInterval () Method. 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. グローバルの clearInterval() メソッドは、以前に setInterval() の呼び出しによって確立されたタイマーを利用した繰り返し動作を取り消します。 指定された引数で前回確立されたアクションを識別できなかった場合、このメソッドは何も行いません。 The identifier of the timeout you want to cancel. 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. A window for a given document can be obtained using the document.