冒泡排序

<script>
    var flag = false;
    var arr1 = [0,-90,89,36743,87,-89,9]
    for(var i=0;i<arr1.length-1;i++){
        for(var j=0;j<arr1.length-1-i;j++){
            if(arr1[j]>arr1[j+1]){
                var temp = arr1[j];
                arr1[j]=arr1[j+1]
                arr1[j+1]=temp;
                flag=true;
            }
        }
        if(flag){
            flag=false;
        }else{
            break;
        }
    }
    for(var i=0;i<arr1.length;i++){
        document.write(arr1[i]+" ")
    }
</script>