Specifically, an iterator is any object which implements the Iterator protocol by having a next () method that returns an object with two properties: value. race () resolves to the first non-pending promise in the iterable, we can check a promise's state, including if it's pending. Yes it will naively re-run every 5s. setTimeout setTimeout () is used to delay the execution of the passed function by a. You can get a list of the animations that affect an. const intervalId = setInterval(func, [delay, arg1, agr2,. You also need to bind the method to the instance of your class, because when you pass a method to the setInterval it loses the this reference. The purpose of assigning the return value is to use clearInterval() afterwards since it requires you to pass the return value of a setInterval() (= the process ID) as its parameter. This ID was returned by the corresponding call to setInterval(). Documentation. Some examples: window. timer = setInterval(come, 0); // zero isn't a valid interval. 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 () 方法会不停地调用函数，直到 clearInterval () 被调用或窗口被关闭。. ]In Node this is different. resizeTo(window. 0; supported by the MSHTML DOM since version 5. Cascading Style Sheets are used to describe the appearance of Web documents and apps. I have successfully managed to make a div hide on click after 400 milliseconds using a setInterval function. and I use this code to call it again, witch I expected would reset that 5 seconds. Stack Overflow. It requests the browser to call a user-supplied callback function prior to the next repaint. The setInterval() method of the WindowOrWorkerGlobalScope mixin repeatedly calls a function or executes a code snippet, with a fixed time delay between each call. The magic of JS closures keeps these variables alive even after a() has completed, and each invocation of a() gets its own closure. cookie = newCookie; In the code above, newCookie is a string of form key=value, specifying the cookie to set/update. defaultView property. If the parameter provided does not identify a previously established action, this method does nothing. Games are constantly looping through these stages, over and over, until some end condition occurs (such as. AI Help (beta) Get real-time assistance and support. I need to use setInterval to make a loop for my program. The consumer of a callback-based API writes a function that is passed into the API. The bound function will store the parameters passed — which include the value of this and the first few arguments — as its internal state. If you want to display a time with setInterval () then get the current time on each timer tick and display that. element. The setInterval () method, offered on the Window and WorkerGlobalScope interfaces, repeatedly calls a function or executes a code snippet, with a fixed time delay. This model is quite different from models in other languages like C and Java. You're currently immediately executing it which makes the function run. A customized MDN experience. e. JavaScript (JS) is a lightweight interpreted (or just-in-time compiled) programming language with first-class functions. host returns both the host name and any associated port. This allows enhanced compatibility with browser setTimeout() and setInterval() implementations. 2 Answers. now(); console. The first parameter of this function is the function to be executed and the second parameter indicates the time interval between each execution. shadowRoot; // Returns null. The question asked for the timer to be restarted on the blur and stopped on the focus, so I moved it around a little:Here is the code that I tried: function startTimer () { clearInterval (interval); var interval = setInterval (function () { advanceSlide (); }, 5000); }; I call that at the beginning of my page to start a slideshow that changes every 5 seconds. The bind () function creates a new bound function. Syntax var. Unref () Timer functions like setInterval and setTimeout in Node. 참고: 노트: 이 메소드는 ParentNode 믹스인의 querySelectorAll (). Remote URLs won't load immediately. If you need repeated executions, use setInterval () instead. This probably is not how it's actually implemented, but I think it serves adequately as a mental model of how it could workThe setInterval() method of the WindowOrWorkerGlobalScope mixin repeatedly calls a function or executes a code snippet, with a fixed time delay between each call. delegatesFocus Optional. then (x => console. This does something magical: it keeps running your code, but stops it from. setTimeout () from the browser’s JS API, but a string of code cannot be passed. The difference between setTimeout and setInterval is while setTimeout () sets off the expression only once setInterval () does so regurarly after the specified interval. Returns an intervalID. Javascript is naturally synchronous, but some callbacks are async like setTimeout and setInterval, now if you want to wait for something, consider using a promise instead new Promise ( () =>. log (arrowRight. setInterval() does the cyclic calls in itself(see edit) and returns the ID of the process handling the cyclic invokations. 如果你想了解有关隐式 eval 的安全风险的更多信息，请在 MDN 文档中“永远不要使用 Eval” 部分阅读相关内容。 setInterval() 和 setTimeout() 有什么区别 与 setTimeout() 在延迟后仅执行一次函数不同， setInterval() 将每隔设定的秒数重复一次函数。disconnect() Stops the MutationObserver instance from receiving further notifications until and unless observe() is called again. Here's Typescript and Nuxt 3 version if anyone's interested :] Composable useInterval. Web. 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. CSS 트랜지션 은 CSS 속성을 변경할 때 애니메이션 속도를 조절하는 방법을 제공합니다. JavaScript. Using addEventListener (): js. This method returns an interval ID which uniquely identifies the interval, so you can remove it later by calling clearInterval (). See also MDN. Using setTimeout() with zero delay schedules function execution as soon as possible when the current other queued tasks are finished. The passed function will be invoked each X milliseconds (this interval is the second argument passed to setInterval). log (. btn"). A callback function is a function passed into another function as an argument, which is then invoked inside the outer function to complete some kind of routine or action. On clicking the “Take a Ride” button,. setTimeout () 是属于 window 的方法，该方法用于在指定的毫秒数后调用函数或计算表达式。. References. You don't need to assign its return value to a. 4 Answers Sorted by: 182 Keep it simple. CSS 트랜지션 사용하기. 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. 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 string to pad the current str with. the setTimeout () function will be triggered in the stack, then continue on with what comes after even though it has not finished its timer. The setInterval () method in JavaScript is used to repeat a specified function at every given time-interval. The setInterval and setTimeout functions create a parallel. This asynchronous function accepts a callback as its first argument and a delay as the second function argument in. launch (); const page = await browser. setTimeout () 是设. create a setInterval () with a timer function of 1000 milliseconds and store it. 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. 이 값은 clearInterval () (en-US) 에 전달되어 interval을 취소할 수 있습니다. The worker thread can perform tasks without interfering with the user interface. The function assumes clearInterval and clearTimeout do the same, which they do but it could change in the future. In this function, if promise is pending, the second value, pendingState, which is a non-promise. While it is most well-known as the scripting language for Web pages, many non-browser environments also use it, such as Node. let i = 0 function. js. 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 bind () function creates a new bound function. ConclusionThe following code snippet shows creation of a SharedWorker object using the SharedWorker () constructor. As an example, I try to generate a new random number every second. JavaScript, setInterval() working beyond its timer. setTimeout. Support data for this feature provided by:When you call setTimeout/setInterval/promise those tasks adds up into the queue of tasks, if one task takes long time(ms scale) the other might get delayed. setInterval (expression, timeout); runs the code/function repeatedly, with the length of the timeout between each repeat. js'); SharedWorkerGlobalScope. SharedWorkerGlobalScope. on('ready',function(){ interval = setInterval(updateDiv,3000); }); and then use clearInterval(interval) to clear it again. Cancels the timeout. The port property of the Location interface is a string containing the port number of the URL. この問題を回避するためには、コールバック. Question 2. And:To enable the OMTA (Off Main Thread Animation) in Firefox, you can go to about:config and search for the layers. The window. querySelector("video"); video. Updates. Raptor Raptor. Consider also that: Any of the following cookie attribute values can optionally follow the key-value pair, each preceded by a semicolon. 첫 번째 setTimeout () 호출이 두 번째 호출 전에 5초의 "정지" 구간을. org contributors. const t0 = performance. Note: This differs from the click event in that click is fired after a full click action occurs; that is, the mouse button is pressed and released while the pointer remains inside the same. Sub-features. setTimeout. ; You say you're getting errors but haven't said what those errors are. const intervalID = setInterval(f, 1000); // Some code clearInterval(intervalID);In SetInterval(), the delay is an optional parameter, so you can set it to 0 or just leave it out entirely. 반환된 intervalID 는 setInterval () 호출로 생성된, 타이머를 식별하는 0이 아닌 숫자 값입니다. andAn integer ID that identifies the registered handler. If no matches are found, null is returned. To animate an element moving 400 pixels on the right with javascript, the basic thing to do is to move it 10 pixels at a time on a regular. What you can do is. answered Jun 29, 2014 at 16:33. Isso retorna um ID único para o intervalo, podendo remove-lo mais tarde apenas o chamando clearInterval () (en-US). HTML Standard. setTimeout with zero delay. clearTimeout(). For example, typeof [] is "object", as well as typeof new Date (), typeof /abc/, etc. The JavaScript exception "too much recursion" or "Maximum call stack size exceeded" occurs when there are too many function calls, or a function is missing a base case. The shown XHR code started from the setInterval is asynchronous and will 'finish almost immediately'; thus it isn't even relevant if setInterval waits (because the. This method returns an interval ID which uniquely identifies the interval, so you can remove it later by calling clearInterval (). 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. The window. 0. It's possible for intervals to be nested; that is, the callback for setInterval() can in turn call setInterval() to start another interval running, even though the first one is still going. Syntax. 提示： 1000 毫秒= 1 秒。. If padString is too long to stay within the targetLength, it will be truncated from the end. addEventListener() MDN: setInterval() MDN: clearInterval() Pyodide Python API; Photography Credit. location. 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. This method can be used instead of the setTimeout (fn, 0) method to execute heavy operations. This object has a finished property, which is a Promise that is fulfilled when the animation has finished playing. left from 0px to 100px moves the element. The image in this article is courtesy of Tina Nord at Pexels. Why if I call main() without setInterval it works smoothly but with setInterval it fails? It's weird. Content available under a Creative Commons license. A simple example of setInterval() appears below: HTMLImageElement: Image () constructor. setInterval () global function. ts. setInterval () global function. This method returns an interval ID which uniquely identifies the interval, so you can remove it later by calling clearInterval() . From MDN. availHeight properties. この ID は対応する setTimeout () から返されたものです。. 定时器是可以嵌套的；这意味着， setInterval () 的回调中可以嵌入对 setInterval () 的调用以创建另一个定时器，即使第一个定时器还在运行。. Solution. Call Stack -> listener. The global clearInterval () method cancels a timed, repeating action which was previously established by a call to setInterval () . JavaScript API documentation with instant search, offline support, keyboard shortcuts, mobile version, and more. I am having trouble with the setInterval method in the sense that I need to pass its first parameter (the function being set to an interval) a parameter of its own. js. Documentation. The default value is 0, which means there is no timeout. You have to assign the returned value of the setInterval function to a variable var interval; $(document). "This" usually points to window or global. The default interval is 60 seconds. So you don't want to use setInterval because it will repeatedly execute your function, instead use setTimeout. Post your current code and we might be able to guide you further. The setInterval () method in JavaScript is used to repeat a specified function at every given time-interval. log (that. setInterval returns a number:. setInterval tries it's best to run at "n * duration" intervals. 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. now(); doSomething(); const t1 = performance. Note To execute the function only once, use the setTimeout () method instead. If it was in. An animation can be implemented as a sequence of frames – usually small changes to HTML/CSS properties. Note that you can only set/update a single cookie at a time using this method. The Window interface represents a window containing a DOM document; the document property points to the DOM document loaded in that window. Arrow functions cannot be. 따라서 반드시 순서대로 반환되지 않는 대기 중인 XHR 요청이 있을. log(this); } [1, 2, 3]. This allows a website or app to offer customized results based on the user's location. This method is offered on the Window and Worker interfaces. The minimum delay is:. 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. And I'm really stuck. The slice () method preserves empty slots. This solution is much more "trustable" than setInterval. But by the time the code run by the setInterval is called this doesn't mean what you think. Repeatedly calls a function or executes a code snippet, with a fixed time delay between each call. Create a function startShowingMessage that takes two parameters: an element and a string that is a URL. - Relevant Code is in the stop button click. log) some browsers may need console. First there's the setInterval(), setTimeout(), and window. Contribute to mdn/content development by creating an account on GitHub. You can then start the test using either setTimeout or setInterval. async function getContent () { const browser = await puppeteer. In any case, a workaround would be to use Object. setInterval iterates at a given delay and is effectively asynchronous. For instance, we need to write a service that sends a request to the server every 5 seconds. The window object allows code to execute at every certain interval of time. setInterval() function takes two arguments. Este método devuelve un ID de intervalo que lo identifica de forma única, de ese modo, el intervalo puede ser eliminado más tarde. const video = document. That part of the documentation refers to “event” background pages, which chrome would like to be the default, while in Firefox background pages are by default “persistent”, so always loaded. The worker thread can perform tasks without interfering with the user interface. This question is ambiguous, vague, incomplete, overly broad, or rhetorical and cannot be. setInterval(function() { // Do something every 9 seconds }, 9000); The first action will happen after 9 seconds (t=9s). Starting with the addition of timeouts and intervals as part of the Web API ( setTimeout () and setInterval () ), the JavaScript environment provided by Web browsers has gradually advanced to include powerful features that enable scheduling of tasks, multi-threaded application development, and so forth. componentDidMount () { this. The bound function will store the parameters passed — which include the value of this and the first few arguments — as its internal state. This type can be used to describe a discrete point in time or a time interval (the difference in time between two discrete points in time). Call JavaScript function after 1 second One Time. location. 1 second = 1000 milliseconds. log (you shouldn't use await because as console. 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. MessageChannel can be used reliably inside of Web Workers. Share. Follow edited May 23, 2017 at 12:28. The clearImmediate method can be used to clear the immediate actions, just like clearTimeout for setTimeout (). timerID = setInterval ( () => this. The Trick. The default value is the unicode "space. However I also have an other function also calling it. This probably is not how it's actually implemented, but I think it serves adequately as a mental model of how it could work The setInterval() method of the WindowOrWorkerGlobalScope mixin repeatedly calls a function or executes a code snippet, with a fixed time delay between each call. 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. It returns an interval ID which uniquely identifies the interval, so you can remove it later by calling clearInterval(). The escape () and unescape () functions are deprecated. see MDN document here, the syntax below: var intervalID = window. 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. jave. 3 Answers. args); In this syntax: func is the function you want to execute after every delay milliseconds. sandboxed modals flag. 0" (my emphasis). The setInterval () function is used to execute a function repeatedly at a specified interval (delay). Maximum delay value. 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. For greater specificity in checking types, here we present a custom type (value) function, which mostly mimics the behavior of typeof, but for. Une expression de fonction fléchée ( arrow function en anglais) permet d'avoir une syntaxe plus courte que les expressions de fonction et ne possède pas ses propres valeurs pour this, arguments, super, ou new. You don't need to use await with console. I have this simple example with a class with a setInterval that calls main() every 5 seconds. setInterval () global function. Case 1. thanks @JonathanLonowski, the explanation in that link makes sense out of it, too: In browsers, the top-level scope is the global scope [. On browsers, the handle is guaranteed to be a number. Iterators. 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. 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. b);}, 200); } setInterval () global function. See full reference on MDN Web Docs. Clearing The Interval. Similarly when you call a function with dot notation like run. That's partly because JS is single threaded and partly for other reasons. This does something magical: it keeps running your code, but stops it from. intervalID = setInterval (function, delay, arg0, arg1, /*. Using Promise. This is bad -very bad- due to the taxing. relevant global object, as well as any. 3. My guess that your myOperations includes operations that will skew some the timeouts/intervals of your other tasks. log itself to be bound but nowadays they normally don't. In JavaScript an iterator is an object which defines a sequence and potentially a return value upon its termination. First, replace where you initially called setInterval ()setInterval() This is one of the many timing events. It has entries for each argument the function was called with, with the first entry's index at 0. Arrow function expressions. Then we call clearInterval with myTimer to stop the timer. 속성 변경이 즉시 영향을 미치게 하는 대신, 그 속성의 변화가 일정 기간에 걸쳐 일어나도록 할 수 있습니다. We'll edit the second if block so it's an if else block that will trigger our "game over" state upon the ball colliding with the bottom edge of the canvas. setTimeout() Executes the function specified by. log(a); console. 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. A collection of code snippets and CLI guides for quick and easy reference while codingThe 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. Timers are used to schedule functions to happen at a later time. See the following example (which uses setTimeout() instead of setInterval(). Note: This function should not be confused with the CSS image () function. Thanks!Visit Mozilla Corporation’s not-for-profit parent, the Mozilla Foundation. print is not a function. 사용자의 제어를 필요로 하지. This example is adapted from promise-status-async. One of these interfaces’ most essential methods is the setInterval () method. Next, we want to animate alice2 when alice1 has finished, and alice3 when alice2 has finished. When this needs to point to class instance, we should use bind to bind this to callback. It returns an interval ID which uniquely identifies the interval, so you can remove it later by calling clearInterval(). 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. Existen dos funciones nativas en la librería de JavaScript para lograr estas tareas: setTimeout () y setInterval (). 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. Escape sequences. How to use async function with set interval. 0. For this, Node has methods called setInterval() and clearInterval(). Ive tried running it on Microsoft edge but it still does not work. 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。. log ( 'callback!' ); interval -= 100; // actually this will kill your browser when goes to 0, but shows the idea setTimeout ( callback, interval ); } setTimeout ( callback, interval ); Don't. 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. The consequence of this is that if you request a 1000ms delay,. Each JavaScript environment, be it the browser or Node. (Later, this might be a more complex function. The variable until does not exist in the global scope, only in the scope where it's defined. All browser compatibility updates at a glance. The JavaScript setInterval function can be used to automate a task using a regular time based trigger. The nested setTimeout is a more flexible method than setInterval. setInterval not working with specific function. Pass in the parameter to the function so its value is captured in the function closure and retained for when the timer expires. 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. Add a comment. onStateChanged events. I don't think there's anything we can do to help you here without seeing the actual code you're calling. 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. setInterval in fact expects a method as the first argument, though there is an alternative syntax where the first argument can be a string of code (not recommended by most) If you're having issues with that code, it may have to do with the scope of 'this'. These objects are available in all modules. 0. It is functionally equivalent to document. setInterval() Starts repeatedly executing the function specified by function every delay milliseconds. Scheduling timers # A timer in Node. e. setInterval is not recursive and setInterval will first time call your function after told time while setTimeout first time being called without any delay and after that it will call again after told time. It returns an interval ID which uniquely identifies the interval, so you can remove it later by calling clearInterval(). HTML comes with elements for embedding rich media in documents — <video> and <audio> — which in turn come with their own APIs for controlling playback, seeking, etc. This article shows. fullscreen requests, window. The clearInterval () function clears the event of calling a function periodically in a specified time by the setInterval () function. The findLast () method is an iterative method. You can cancel the timeout using window. This could have led to user confusion and possible spoofing attacks. For your case event emitter is the best. js and browsers. It returns an interval ID which uniquely identifies the interval, so you can remove it later by calling clearInterval(). click and see what. . 1. js; promise; settimeout; setinterval; Share. After enabling OMTA, try running the above test again. height of the resulting instance. Re the timer code: I think it's pretty well explained above. The anonymous function that you pass to setInterval has access to any variables in its containing scope, i. code is a required parameter; if the user does not submit the function, the user can pass a string that is an alternative to the function. Some APIs allow you to set a this value for invocations of the callback. This method returns an interval ID which uniquely identifies the interval, so you can remove it later by calling clearInterval (). A callback function is a function passed into another function as an argument, which is then invoked inside the outer function to complete some kind of routine or action. MDN documentation of setInterval. 解除したいタイムアウトの識別子です。. HTML. requestAnimationFrame() メソッドは、ブラウザーにアニメーションを行いたいことを知らせ、指定した関数を呼び出して次の再描画の前にアニメーションを更新することを要求します。このメソッドは、再描画の前に呼び出されるコールバック 1 個を引数として. 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. padString Optional. 1k 13 13 gold badges 94 94 silver badges 126 126 bronze badges. And that's why timer specified in setTimeout/setInterval indicates "Minimum Time" delay for execution of function. another sidenote: setInterval(display, 3000); and setInterval('display();', 3000); is different. 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). 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. This method is defined by the WindowOrWorkerGlobalScope mixin. This method continues the calling of function until the window is closed or the clearInterval () method is called. 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. . The setInterval() method of the WindowOrWorkerGlobalScope mixin repeatedly calls a function or executes a code snippet, with a fixed time delay between each call. The clearImmediate method can be used to clear the immediate actions, just like clearTimeout for setTimeout (). If the parameter provided does not identify a previously established action, this method does nothing. It evaluates an expression or calls a function at given intervals. Users prefer, say, a responsive, smooth app that only processes 1,000 database transactions. screen. Funções são blocos de construção fundamentais em JavaScript. Web APIs. Already a subscriber? Get MDN Plus; References. For instance, changing style. -- Deno by example is a collection of annotated examples for how to use Deno, and the various features it provides. SetInterval in JavaScript. Syntax var. e. args are the. If the URL does not contain an explicit port number, it will be set to '' . If you wish to have your function called repeatedly (i. The W3Schools online code editor allows you to edit code and view the result in your browser 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. My issue is that it runs continually, I only need the function to execute once. The setInterval method returns a handle that you can use to clear the interval. start() then this will refer to run. The global clearInterval () method cancels a timed, repeating action which was previously established by a call to setInterval () . In this article, we create a stopwatch with ‘start’ and ‘stop’ buttons. ,*/ argN) setInterval () takes the following parameters: The function to be executed or, alternatively, a code snippet. 2, Netscape 4. The setInterval () won't be your timer, but just a recurring screen update mechanism. setInterval not working correctly.