What is Express.js

Expert Posts
,
1

setInterval is a built-in function in JavaScript that repeatedly calls a function or executes a code snippet at a specified interval. It takes two parameters: the function or code to be executed, and the time interval (in milliseconds) between each execution.

Here is an example of using setInterval in JavaScript:

// HTML code
<p id="counter">0</p>
// JavaScript code
<script>
// Function to be executed
function incrementCounter() {
var counterElement = document.getElementById("counter");
var counterValue = parseInt(counterElement.innerHTML);
counterValue++;
counterElement.innerHTML = counterValue;
}
// Calling setInterval to execute the function every 1 second (1000 milliseconds)
setInterval(incrementCounter, 1000);
</script>

In this example, the incrementCounter function is called every 1 second, and it updates the value of a paragraph element with the id “counter”. The initial value is 0, and it gets incremented by 1 every second.

Note: The code provided above is in HTML format, but it should be saved with a .html extension and opened in a web browser to see the desired output.