三个数字大小排序
1 <script> 2 var a = parseInt(prompt("请输入第一个整数:")); 3 var b = parseInt(prompt("请输入第二个整数:")); 4 var c = parseInt(prompt("请输入第三个整数:")); 5 if(a > b && a > c && b > c) { 6 7 alert(c + "<" + b + "<" + a); 8 9 } else if(a > b && a > c && b < c) { 10 alert(b + "<" + c + "<" + a); 11 12 } else if(b > a && b > c && a > c) { 13 alert(c + "<" + a + "<" + b); 14 15 } else if(b > c && b > a && c > a) { 16 alert(a + "<" + c + "<" + b); 17 18 } else if(c > a && c > b && a > b) { 19 alert(b + "<" + a + "<" + c); 20 21 } else if(c > b && c > a && b > a) { 22 alert(a + "<" + b + "<" + c); 23 24 } else { 25 alert("请输入有效字符!!!"); 26 } 27 28 </script>