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" </ 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" </ 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: