學習日記【JavaScript】-2020/12/15
阿新 • • 發佈：2020-12-15
教程地址：https://www.bilibili.com/video/BV1ux411d75J?p=93
目前進度：93p/190p
<!DOCTYPE html> <html> <head> <meta charset="utf-8"> <title></title> <script> //求學生成績案例 var member = prompt('請輸入班級人數'); member = parseInt(member);var classresult = 0; var result = 0; for (var i=0;i<member;i++){ result = parseInt(prompt('請輸入第'+ (i+1) +'個學生的成績')); classresult = classresult + result; classresult = parseInt(classresult); } var classave= classresult/member; alert('班級總分數為'+classresult+'分'+"\n"+'班級平均分為'+classave+'分'); //九九乘法表 var str = ''; for(var i = 1; i <= 9;i++){//外層控制行數 for(var j = 1;j <= i;j++){//裡層控制每一行的個數 str += j + '*' + i + '=' +i * j + '\t'; } str += '\n'; } console.log(str); var sum = 0; var n = 1; while (n <= 100){ sum = sum + n; n++; } console.log(sum); var m = 1; do { console.log('這個人今年'+m+'歲了'); m++; }while(m <= 100); </script> </head> <body> </body> </html>