測驗題副本 | JavaScript 程式專案

{"id":90634,"student_id":1885,"content":"// 將每題做成一個功能，在這邊執行\n// 這樣就可以保留你所寫過的所有程式，又不影響操作囉～\n\nb1();\n\n//---------------------------------------------------\nfunction test1() {\n    console.log(10+20+30); //數值+數值\n    console.log('10'+'20'+'30'); //字串+字串\n    console.log(10+'20');        //數值+字串\n}\n\n//---------------------------------------------------\nfunction test2() {\n    alert(\"提示文字\");\n}\n\n//---------------------------------------------------\nfunction test3() {\n    var a = prompt(\"提示文字\");\n    console.log(a);\n    console.log(Number(a)) ;         //將字串轉數值，但文字的內容會出錯（NaN=Not a Number）\n}\n\n//---------------------------------------------------\nfunction a1() {\n    var egg=10; \n    var milk=35;\n    var count=prompt(\"荷包蛋幾顆?\");\n    var count2=prompt(\"牛奶要幾杯?\");\n    count=Number(count);\n    count2=Number(count2);\n    console.log(count);\n    console.log(count2);\n    milk=Number(milk);\n    egg=Number(egg);\n    console.log(milk);\n    console.log(egg);\n    console.log(\"蛋一顆\"+egg+\"$\"+\"小明今天要吃\"+count+\"顆，牛奶一杯\"+milk*0.8+\"$\"+\"小明今天要喝\"+count2+\"杯，早餐總共：\"+((egg*count)+(milk*count2*0.8)));\n}\n\n//---------------------------------------------------\nfunction a2() {\n    var harry=prompt(\"請說出你的名字\")\n    alert(\"hello ,\"+harry);\n    \n    \n}\n\n//---------------------------------------------------\nfunction a3() {\n    var a=prompt(\"請填上第一個數字\");\n    var b=prompt(\"請填上第二個數字\");\n    var c=prompt(\"請填上第三個數字\");\n    a=Number(a);\n    b=Number(b);   \n    c=Number(c);\n    console.log(\"答案=\"+(a+b+c));\n}\n\n//---------------------------------------------------\nfunction a4() {\n    var apple1=prompt(\"共有幾顆蘋果?\");\n    var apple2=prompt(\"有幾個人分?\");\n    apple1=Number(apple1);\n    apple2=Number(apple2);\n    console.log(Math.floor(apple1/apple2));\n}\n\n//---------------------------------------------------\nfunction a5() {\n    var time=60;\n    var minute=60;\n    var second=prompt(\"請輸入數字\");\n    time=Number(time);\n    alert(second/minute/time);\n    \n    \n}\n\n//---------------------------------------------------\nfunction a6() {\n    var d=prompt(\"請輸入第一個數\");\n    var e=prompt(\"請輸入第二個數\");\n    alert(d+\",\"+e);\n}\n\n//---------------------------------------------------\nfunction a7() {\n    var f=prompt(\"請輸入4位數\")\n    alert(\"3\")\n}\n\n//---------------------------------------------------\nfunction b1() {\n    var g=9;\n    var h=5;\n    alert(g=5,h=9);\n}\n\n//---------------------------------------------------\nfunction b2() {\n    \n}\n\n//---------------------------------------------------\nfunction b3() {\n    \n}","created_at":"2019-08-24T10:08:02.996+08:00","updated_at":"2019-10-14T05:35:07.345+08:00","name":"測驗題 副本","language":"javascript","screenshot":{"url":"https://cdn5.koding.school/uploads/project/screenshot/90634/89edcce60b8890776f43b51e69f48ea4.jpg"},"parent_id":73508,"plugin":"","description":null,"note":null,"status":"public","like_student_ids":[],"is_featured":false,"views":76,"hashid":"6rpsy5zv","is_content_changed":false,"review_status":"unsubmitted","submitted_at":null,"reviewed_at":null,"advise":null,"is_deleted":false}