How to use Performance API In Javascript
The Performance API gives an accurate way to measure time. Its now() method tells the current time very precisely, useful for checking performance or comparing speeds.
Example: To demonstrate how to use JavaScriptâs Performance API to obtain the current time in milliseconds.
<!DOCTYPE html>
<html>
<head>
<title>Performance milliseconds example </title>
</head>
<body>
<script>
const milliseconds = performance.now();
document.write("Milliseconds: " + milliseconds);
</script>
</body>
</html>
Output:
performance API to obtain current time in milliseconds
How to Get Milliseconds in JavaScript?
JavaScript provides various methods to precisely measure time down to the millisecond, including Date.now(), performance.now(), and the Date objectâs getTime() method. These tools enable developers to effectively manage time in their programming tasks.
These are the following methods to get milliseconds in JavaScript:
Table of Content
- Date Object
- Using Performance API
- Using `Date.now ( )`
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