<!DOCUMENT>
<head>
<script>
function s() {
var grade_down = document.getElementById("r1");
var ascending = document.getElementById("r2");
var result = document.getElementById("result");
var arr = document.getElementById("arr").value;
var arr_1 = arr.split(" ");
for (n = 0; n < arr_1.length; n++) {
for (i = 0; i < arr_1.length; i++) {
if (arr_1[i] <= arr_1[i + 1]) {
teamp = arr_1[i + 1];
arr_1[i + 1] = arr_1[i];
arr_1[i] = teamp;
}
}
}
if (grade_down.checked == true) {
result.innerText = arr_1;
} else {
result.innerText = arr_1.reverse();
}
}
</script></head>
<html>
<body>
<input type="text" id="arr">
<input type="radio" checked="checked" name="sort" value="grade down" id="r1" />降序
<br />
<input type="radio" name="sort" value="ascending" id="r2" />升序
<br />
<p id="content" class="result">我是结果</p>
<button onclick="s()">确定</button>
</body>
</html>
你这个冒泡排序看上去不太对啊。
给你个我写的：
function bubbleSort(arr){
var len = arr.length;
for (var i = len-1; i >= 0; i--){
for (var j = 0; j < i; j++){
if (arr[j] > arr[j+1]){
var tmp = arr[j+1];
arr[j+1] = arr[j];
arr[j] = tmp;
}
}
}
return arr;
}