{"css":"","js":"","html":"<!DOCTYPE html>\n<html lang=\"en\">\n <head>\n <meta charset=\"UTF-8\">\n </head>\n <body>\n <div class='triangle'></div>\n\n <script>\n var triangle = document.querySelector('.triangle');\n var str='';\n for(var i=1;i<=3;i+=1){\n for(var j=0;j<=i-1;j+=1){\n str+='*';\n }\n str+='<br/>';\n }// 补全代码\n triangle.innerHTML=str;\n </script>\n </body>\n</html>","libs":[]}