JavaScript Array.sort() 方法详解与自定义排序

var arrA = [6,2,4,3,5,1]; 
arrA.sort(); 
document.writeln(arrA); 
//结果是：1,2,3,4,5,6 

var arrA = [6,2,4,3,5,1]; 
/**//*arrA.sort(); 
document.writeln(arrA); 
*/ 
function desc(x,y) 
...{ 
if (x > y) 
return -1; 
if (x < y) 
return 1; 
} 
function asc(x,y) 
...{ 
if (x > y) 
return 1; 
if (x < y) 
return -1; 
} 
arrA.sort(desc); // sort by desc 
document.writeln(arrA); 
document.writeln("<br>"); 
arrA.sort(asc); //sort by asc 
document.writeln(arrA); 
//输出结果： 
6,5,4,3,2,1 
1,2,3,4,5,6 

var arrA = [6,2,4,3,5,1]; 
arrA.sort( function(x, y) ...{ 
if (x % 2 ==0) 
return 11; 
if (x % 2 !=0) 
return -1; 
} 
); 
document.writeln(arrA); 
//输出：1,5,3,4,6,2