D3.js timeout() Function
Last Updated :
29 Jul, 2020
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>
<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>
<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:
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