标签：rip span code var onload alert blog ret bsp
1 <!DOCTYPE html> 2 <html lang="en"> 3 <head> 4 <meta charset="UTF-8"> 5 <title>计算1+2+3+4......+100的结果</title> 6 <script> 7 /* window.onload=function () { 8 var result=0; 9 var arr=[]; 10 11 for(var i=0;i<=100;i++){ 12 arr.push(i) 13 } 14 //alert(arr); 15 function fn() { 16 var result=0; 17 for(var i=0;i<arr.length;i++){ 18 result+=arr[i] 19 } 20 return result; 21 } 22 alert(fn()); 23 }*/ 24 25 <!-- 求 1到n的和--> 26 27 window.onload= function () { 28 29 alert(add(100)); 30 31 function add(n) { 32 var result=0; 33 34 for(var i=1;i<=n;i++){ 35 result+=i; 36 } 37 return result; 38 } 39 } 40 41 42 </script> 43 </head> 44 <body> 45 46 </body> 47 </html>
标签：rip span code var onload alert blog ret bsp
原文地址：http://www.cnblogs.com/miaoxiaojiao/p/7019457.html
