var arr = [ 'c', 'd', 'a', 'e' ];
// arr.sort();
// alert( arr );
var arr2 = [ 4,3,5,5,76,2,0,8 ];
// arr2.sort();
// alert( arr2 );
arr2.sort(function ( a, b ) {
return a - b;
});
// alert( arr2 );
var arrWidth = [ '345px', '23px', '10px', '1000px' ];
arrWidth.sort(function ( a, b ) {
return parseInt(a) - parseInt(b);
});
alert( arrWidth );
![](https://img2024.cnblogs.com/blog/35695/202407/35695-20240713070336838-1837943664.jpg)