这将返回一个圆到其直径的圆周的比率,大约3.14159.
语法
math.pi
例子:
<html> <head> <title>javascript math pi property</title> </head> <body> <script type="text/javascript"> var property_value = math.pi document.write("property value is : " + property_value); </script> </body> </html>
这将产生以下结果:
property value is : 3.141592653589793