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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>
- // 编写一个函数,判断一个数是否是3,5,7的倍数
- function foo(a){
- if(a%3 == 0 && a%5 == 0 && a%7 == 0){
- return true;
- }else{
- return false;
- }
- }
- // 取1-1000所数字
- var res = [];
- for(var i=1;i<1000;i++){
- if(foo(i)){
- res.push(i);
- }
- }
- // 把结果进行输出 每6个一行
- for(var j=0;j<res.length;j++){
- document.write(res[j]);
- document.write(" ");
- if((j+1)%6 == 0){
- document.write("<br>");
- }
- }
- console.log(res);
-
- </script>
- </body>
- </html>
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