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- <!DOCTYPE html>
- <html lang="en">
- <head>
- <meta charset="UTF-8">
- <meta name="viewport" content="width=device-width, initial-scale=1.0">
- <title>Document</title>
- </head>
- <body>
- <script>
- var arr = [70,80,90,45,60,78,100];
- var sum = 0;
- var arr2 = [];
- for(var i=0;i<arr.length;i++){
- sum += arr[i];
- if(arr[i]<60){
- arr2.push(arr[i]);
- }
- }
- var avg = sum/7;
- console.log(avg,sum,arr2);
- </script>
- </body>
- </html>
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