The performance property returns a Performance object, which can be further used to gather performance information about the current document.
Syntax:
var per = window.performance
Return Value: It returns a performance object.
Example: This example shows how to get the performance object of the document using this property.
HTML
<!DOCTYPE HTML> <html> <body style="text-align:center;"> <h1 style="color:green;"> neveropen </h1> <p> HTML | window performance property </p> <button onclick="Geeks()"> Click Here </button> <script> function Geeks() { console.log(window.performance); } </script> </body> </html> |
Output:
-
Before Clicking the Button:
-
After Clicking the Button: In the console, the performance object can be seen.
Supported Browsers:
- Google Chrome
- Edge
- Firefox
- Safari
- Opera
- Internet Explorer
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