sort方法
var arr = [100, 10, 8, -10, 1000];
console.log(arr);
console.log(arr.sort());
console.log(arr.sort(function(a, b) {
return a - b;
}));
console.log(arr.sort(function(a, b) {
return b - a;
}));
sort方法
var arr = [100, 10, 8, -10, 1000];
console.log(arr);
console.log(arr.sort());
console.log(arr.sort(function(a, b) {
return a - b;
}));
console.log(arr.sort(function(a, b) {
return b - a;
}));