100以内偶数求和(循环练习)

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<!DOCTYPE html>

<html lang=”en”>

<head>

<meta charset=”UTF-8″>

<title>Document</title>

</head>

<body>

<script>

var s=0;

for(var a=1;a<=10;a++)

{


if(a%2!=0)

{


continue;

}

s=s+a;

}

document.write(s);

</script>

</body>

</html>