<!DOCTYPE html><html><head> <title>乘法表</title> <meta charset="utf-8"> <script type="text/javascript"> function multiX(x) { var str = ""; for (var i = 1; i <=9; i++) { document.write(x+" * "+i+" = "+x*i+"</br>") } } var number1; do{ number1 = parseFloat(prompt("please input a number","")); if (!isNaN(number1)) { multiX(number1); } else { alert("please input a number"); continue;} } while (number1 == -1) </script></head><body></body></html>
這個do while為什么只循環了一遍
慕哥9229398
2018-11-13 13:14:57
