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alignContent alignItems alignSelf animation animationDelay animationDirection animationDuration animationFillMode animationIterationCount animationName animationTimingFunction animationPlayState background backgroundAttachment backgroundClip backgroundColor backgroundImage backgroundOrigin backgroundPosition backgroundRepeat backgroundSize backfaceVisibility border borderBottom borderBottomColor borderBottomLeftRadius borderBottomRightRadius borderBottomStyle borderBottomWidth borderCollapse borderColor borderImage borderImageOutset borderImageRepeat borderImageSlice borderImageSource borderImageWidth borderLeft borderLeftColor borderLeftStyle borderLeftWidth borderRadius borderRight borderRightColor borderRightStyle borderRightWidth borderSpacing borderStyle borderTop borderTopColor borderTopLeftRadius borderTopRightRadius borderTopStyle borderTopWidth borderWidth bottom boxShadow boxSizing captionSide caretColor clear clip color columnCount columnFill columnGap columnRule columnRuleColor columnRuleStyle columnRuleWidth columns columnSpan columnWidth counterIncrement counterReset cssFloat cursor direction display emptyCells filter flex flexBasis flexDirection flexFlow flexGrow flexShrink flexWrap font fontFamily fontSize fontStyle fontVariant fontWeight fontSizeAdjust height isolation justifyContent left letterSpacing lineHeight listStyle listStyleImage listStylePosition listStyleType margin marginBottom marginLeft marginRight marginTop maxHeight maxWidth minHeight minWidth objectFit objectPosition opacity order orphans outline outlineColor outlineOffset outlineStyle outlineWidth overflow overflowX overflowY padding paddingBottom paddingLeft paddingRight paddingTop pageBreakAfter pageBreakBefore pageBreakInside perspective perspectiveOrigin position quotes resize right scrollBehavior tableLayout tabSize textAlign textAlignLast textDecoration textDecorationColor textDecorationLine textDecorationStyle textIndent textOverflow textShadow textTransform top transform transformOrigin transformStyle transition transitionProperty transitionDuration transitionTimingFunction transitionDelay unicodeBidi userSelect verticalAlign visibility width wordBreak wordSpacing wordWrap widows zIndex

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HTML Objects

<a> <abbr> <address> <area> <article> <aside> <audio> <b> <base> <bdo> <blockquote> <body> <br> <button> <canvas> <caption> <cite> <code> <col> <colgroup> <datalist> <dd> <del> <details> <dfn> <dialog> <div> <dl> <dt> <em> <embed> <fieldset> <figcaption> <figure> <footer> <form> <head> <header> <h1> - <h6> <hr> <html> <i> <iframe> <img> <ins> <input> button <input> checkbox <input> color <input> date <input> datetime <input> datetime-local <input> email <input> file <input> hidden <input> image <input> month <input> number <input> password <input> radio <input> range <input> reset <input> search <input> submit <input> text <input> time <input> url <input> week <kbd> <label> <legend> <li> <link> <map> <mark> <menu> <menuitem> <meta> <meter> <nav> <object> <ol> <optgroup> <option> <output> <p> <param> <pre> <progress> <q> <s> <samp> <script> <section> <select> <small> <source> <span> <strong> <style> <sub> <summary> <sup> <table> <tbody> <td> <tfoot> <th> <thead> <tr> <textarea> <time> <title> <track> <u> <ul> <var> <video>

Other References

CSSStyleDeclaration JS Conversion

Window setTimeout()


Wait 5 seconds for the greeting:

const myTimeout = setTimeout(myGreeting, 5000);
Try it Yourself »

Use clearTimeout(myTimeout) to prevent myGreeting from running:

const myTimeout = setTimeout(myGreeting, 5000);

function myStopFunction() {
Try it Yourself »

More examples below.


The setTimeout() method calls a function after a number of milliseconds.

1 second = 1000 milliseconds.


The setTimeout() is executed only once.

If you need repeated executions, use setInterval() instead.

Use the clearTimeout() method to prevent the function from starting.

To clear a timeout, use the id returned from setTimeout():

myTimeout = setTimeout(function, milliseconds);

Then you can to stop the execution by calling clearTimeout():


See Also:

The clearTimeout() Method

The setInterval() Method

The clearInterval() Method


setTimeout(function, milliseconds, param1, param2, ...)


Parameter Description
function Required.
The function to execute.
milliseconds Optional.
Number of milliseconds to wait before executing.
Default value is 0.
Parameters to pass to the function.
Not supported in IE9 and earlier.

Return Value

Type Description
A numberThe id of the timer.
Use this id with clearTimeout(id) to cancel the timer.

More Examples

Display an alert box after 3 seconds (3000 milliseconds):

let timeout;

function myFunction() {
  timeout = setTimeout(alertFunc, 3000);

function alertFunc() {
Try it Yourself »

Display a timed text:

let x = document.getElementById("txt");
setTimeout(function(){ x.value = "2 seconds" }, 2000);
setTimeout(function(){ x.value = "4 seconds" }, 4000);
setTimeout(function(){ x.value = "6 seconds" }, 6000);
Try it Yourself »

Open a new window and close the window after three seconds (3000 milliseconds):

const myWindow = window.open("", "", "width=200, height=100");
setTimeout(function() {myWindow.close()}, 3000);
Try it Yourself »

Count forever - but with the ability to stop the count:

function startCount()
function stopCount()
Try it Yourself »

A clock created with timing events:

function startTime() {
  const date = new Date();
  document.getElementById("txt").innerHTML = date.toLocaleTimeString();
  setTimeout(function() {startTime()}, 1000);
Try it Yourself »

Pass parameters to the function (does not work in IE9 and earlier):

setTimeout(myFunc, 2000, "param1", "param2");
Try it Yourself »

However, if you use an anonymous function, it will work in all browsers:

setTimeout(function() {myFunc("param1", "param2")}, 2000);
Try it Yourself »

Browser Support

setTimeout() is supported in all browsers:

Chrome Edge Firefox Safari Opera IE
Yes Yes Yes Yes Yes Yes