D3.js timeout() Function

Last Updated : 15 Jul, 2025

The d3.timeout() function in D3.js is used to automatically stop the function or the timer after a particular interval of time. It works same as setTimeOut() function in JavaScript.

Syntax:

d3.timeout(callback, delay);

Parameters: This function accepts two parameters as mentioned above and described below:

callback: It is the function to be stopped after a particular delay.
delay: It is the time after which the function will be stopped.

Return Value: This function returns an object.

Below given are a few examples of the above function.

Example 1: When no delay is given.

HTML

<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content=
    "width=device-width, initial-scale=1.0">
</head>

<body>
    <!-- Fetching from CDN of D3.js -->
    <script type="text/javascript" 
        src="https://d3js.org/d3.v4.min.js">
    </script>
    
    <script>
        let delay = 0
        let func = function (e) {
            console.log(e);
            console.log("It will run one time"
                + " with delay equal ", delay);
        }
        var timer = d3.timeout(func, delay);

        func = function (e) {
            console.log(e);
            console.log(
                "It will run one time with no delay");
        }
        var timer = d3.timeout(func);
        console.log("Return Type is: ", typeof timer);
    </script>
</body>

</html>

Output:

Example 2: When the delay is given.

HTML

<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content=
        "width=device-width, initial-scale=1.0">
</head>

<body>
    <!-- Fetching from CDN of D3.js -->
    <script type="text/javascript" 
        src="https://d3js.org/d3.v4.min.js">
    </script>
    
    <script>
        let delay = 1000
        let func = function (e) {
            console.log(e);
            console.log("It will run one time"
                + " with delay equal ", delay);
        }
        var timer = d3.timeout(func, delay);

        func = function (e) {
            console.log(e);
            console.log("This will be printed first");
        }
        var timer = d3.timeout(func);
    </script>
</body>

</html>

Output:

D3.js | d3.timeMinute Function

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D3.js timeout() Function

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