To get the square root of 2, use the JavaScript Math SQRT2 property. It returns the square root of 2 which is approximately 1.414.
Example
You can try to run the following code to get the square root of 2 in JavaScript −
<html> <head> <title>JavaScript Math SQRT2 Property</title> </head> <body> <script> var property_value = Math.SQRT2 document.write("Property Value: " + property_value); </script> </body> </html>