javascript 两个字符串比较函数_javascript技巧

<meta http-equiv="Content-Type" content="text/html; charset=gb2312"> <title>Untitled</title> <script language="javascript"> function diff(){ var s = f.s1.value; var s1 = f.s2.value; document.write("s: " + s + "<br>"); document.write("s1: " + s1 + "<br>"); function sort(s, a){ for(i=0; i<s.length;i++){ a[i] = s.charAt(i); } return a.sort(); } list = sort(s, new Array()); list1 = sort(s1, new Array()); var m = 0; var n = 0; var l = new Array(); for(i = 0; i < list.length; i++){ } for(i = 0; i < list1.length; i++){ } j = 0; while(m < list.length && n < list1.length){ if (list[m] < list1[n]){ l[j] = list[m]; if (m < list.length){ m++; } i++; j++; continue; } if (list[m] > list1[n]){ l[j] = list1[n]; if (n < list1.length){ n++; } i++; j++; continue; } if (list[m] == list1[n]){ if (m < list.length){ m++; } if (n < list1.length){ n++; } i++; continue; } } if (l.length == 0) alert("涓や釜瀛</script>