练习7_数字图形.html 439 B

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  1. <!DOCTYPE html>
  2. <html lang="en">
  3. <head>
  4. <meta charset="UTF-8">
  5. <meta name="viewport" content="width=device-width, initial-scale=1.0">
  6. <title>Document</title>
  7. </head>
  8. <body>
  9. <script>
  10. for(var i = 1;i<=5;i++){
  11. for(var j=1;j<=i;j++){
  12. document.write(j+" ");
  13. // document.write("&nbsp;");
  14. }
  15. document.write("<br>");
  16. }
  17. </script>
  18. </body>
  19. </html>