一个数字自动排序的小程序,有点意思,但不太实用 - 中国WEB开发者网络 (http://www.webasp.net) -- 网页特效 (http://www.webasp.net/javascript/) --- 一个数字自动排序的小程序,有点意思,但不太实用 (http://www.webasp.net/javascript/1/663.htm) |
| -- 发布日期: 2005-06-25 |
| <!-- 网页特效代码由[中国WEB开发者网络:http://www.ChinaWebDev.com]提供! --> <!-- 要实现此效果需要 2 个步骤: --> <!-- 第 1 步: --> <!-- 把下面的代码加到<HEAD></HEAD>区域中: --> <SCRIPT LANGUAGE="JavaScript"> <!-- Begin function doSort(form) { nanExists = false; inputString = form.numbers.value; inputNumbers = inputString.split(","); for (var i = 0; i < inputNumbers.length; i++) { inputNumbers[i] = parseInt(inputNumbers[i], 10); if (isNaN(inputNumbers[i])) { nanExists = true; break; } } inputNumbers = bubbleSort(inputNumbers, 0, inputNumbers.length - 1); if (nanExists) form.answers.value = "Invalid Input, numbers must be seperated by commas"; else form.answers.value = resultString(inputNumbers, 0); } function resultString(inputArray, num) { if ((inputArray.length - 1) >= num) return (inputArray[num] + "," + resultString(inputArray,(num + 1))); else return ""; } function bubbleSort(inputArray, start, rest) { for (var i = rest - 1; i >= start; i--) { for (var j = start; j <= i; j++) { if (inputArray[j+1] < inputArray[j]) { var tempValue = inputArray[j]; inputArray[j] = inputArray[j+1]; inputArray[j+1] = tempValue; } } } return inputArray; } // End --> </script> <!-- 第 2 步: --> <!-- 把下面的代码加到<BODY></BODY>区域中: --> <form> <table border=1> <td>Enter numbers here: <input type=text name=numbers size=75 value="4,2,5,1,7,8,9,3,6,3,6,2,9,8,5,2,6,7,3,4,5,6,8,1,9,4,3,6,2,5,8,4"></td> <tr> <td>The sorted numbers are: <input type=text name=answers size=75></td> </tr> <tr> <td colspan=2 align=center><input type=button value="Sort!" onClick="doSort(this.form)"></td> </tr> </table> </form> |
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