D3.js timeout() Function

0 0 1 minute read

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:

Whether you’re preparing for your first job interview or aiming to upskill in this ever-evolving tech landscape, zambiatek Courses are your key to success. We provide top-quality content at affordable prices, all geared towards accelerating your growth in a time-bound manner. Join the millions we’ve already empowered, and we’re here to do the same for you. Don’t miss out – check it out now!