1 <!DOCTYPE html> 2 <html> 3 <head> 4 <meta charset="UTF-8"> 5 <title>算术运算小案例</title> 6 <script type="text/javascript"> 7 alert(Math.pow(((23+Math.pow(5,7))/45),2)); 8 9 </script> 10 </head> 11 <body> 12 </body> 13 </html>