標籤：class tran write cti rip 解決 一個 列印 i++
代碼：
<html><head><title>function</title></head><body><script>function print_trangle(n){for (var i=0;i<n; i++){var count =0;document.write("<br/>");for(var j=2*i+1;;){count++;document.write("*");if (count==2*i+1){break;}}}}function print_trangle2(n){var last = 2*(n-1)+1;for (var i=0;i<n; i++){var full_left = parseInt(last/2)-i;document.write("<br/>");for(var j=0;j<last;j++){if (j<=full_left||j>full_left+2*i+1){document.writeln(" ");}else{document.writeln("*");}}//此處我也不知道什麼原因會每次都在最後一行少列印最後一個*，如果有人知道麻煩回複告訴我什麼問題，我就暫時先用這種強制方法解決了if (i==n-1){document.write("*");}}}print_trangle2(4);</script></body></html>
js實現列印正三角
Start building with 50+ products and up to 12 months usage for Elastic Compute Service
1 on 1 presale consultation
24/7 Technical Support 6 Free Tickets per Quarter Faster Response
Alibaba Cloud offers highly flexible support services tailored to meet your exact needs.
A comprehensive suite of global cloud computing services to power your business
Payment Methods We Support
