<!DOCTYPE html> <html> <head> <meta charset="UTF-8"> <title>数据转换案例</title> <script type="text/javascript"> var b1=prompt("请输入三位数字"); b2=Number(b1); var bai=parseInt(b2/100); var shi=parseInt(b2%100/10) var ge=b2%10; alert("百位数"+bai+"十位数"+shi+"个位数"+ge); alert(bai+shi+ge); </script> </head> <body> </body> </html>