冒泡排序

function sort(elements){ for(var i=0;i<elements.length-1;i++){  for(var j=0;j<elements.length-i-1;j++){   if(elements[j]>elements[j+1]){    var swap=elements[j];    elements[j]=elements[j+1];    elements[j+1]=swap;   }  } }}function sort2(elements){for(var i=0;i<elements.length;i++){  for(var j=0;j<elements.length;j++){   if(elements[i]<elements[j]){    var swap=elements[j];    elements[j]=elements[i];    elements[i]=swap;   }  }}} var elements = [3, 1, 5, 7, 2, 4, 9, 6, 10, 8];console.log('before: ' + elements);sort2(elements);console.log(' after: ' + elements);