Seeking odd and 1-100

1 var jsum=0;
2 for(var j=1;j<=100;j+=2){
3     jsum+=j;
4 }
5 document.write('奇数的和='+jsum);
6 document.write('<hr color="#00FFFF"/>');

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Origin www.cnblogs.com/china3356/p/11846532.html