<html> <body> <script> var arr=['bb','cc','bb','bb','dd','cc']; arr.sort(); //排序成['bb','bb','bb','cc','cc','dd'] var results=new Array(); var str=arr[0]; var count=1; for(var i=1;i<arr.length;i++){ if(str==arr[i]){ count++; }else{ results.push([str,count]); str=arr[i]; count=1; } if(i==arr.length-1)results.push([str,count.toString()]); } alert(results); </script> </body> </html>
<script language="javascript"> var arr=['bb','cc','bb','bb','dd','cc']; var results=new Array(); for (var i=0;i<arr.length;i++){ var count=0; var pushed=false; var str=arr[i]; for (var j=0;j<arr.length;j++){ if (str==arr[j]) count++; } for (var h=0;h<results.length;h++){ if (str==results[h][0]) pushed=true; } if (!pushed) results.push([str,count.toString()]); } alert(results); </script>
<body>
<script>
var arr=['bb','cc','bb','bb','dd','cc'];
arr.sort(); //排序成['bb','bb','bb','cc','cc','dd']
var results=new Array();
var str=arr[0];
var count=1;
for(var i=1;i<arr.length;i++){
if(str==arr[i]){
count++;
}else{
results.push([str,count]);
str=arr[i];
count=1;
}
if(i==arr.length-1)results.push([str,count.toString()]);
}
alert(results);
</script>
</body>
</html>
var arr=['bb','cc','bb','bb','dd','cc'];
var results=new Array();
for (var i=0;i<arr.length;i++){
var count=0;
var pushed=false;
var str=arr[i];
for (var j=0;j<arr.length;j++){
if (str==arr[j]) count++;
}
for (var h=0;h<results.length;h++){
if (str==results[h][0]) pushed=true;
}
if (!pushed) results.push([str,count.toString()]);
}
alert(results);
</script>