รวมเทคนิค Array Sort() ใน JavaScript !!

let names = ['Jojo', 'Banglee', 'Oreo', 'Prayut', 'Meow'];
names.sort();

console.log(names);
// output => [ 'Banglee', 'Jojo', 'Meow', 'Oreo', 'Prayut' ]

let names = ['Jojo', 'Banglee', 'Oreo', 'Prayut', 'Meow'];
names.sort((a, b) => b.localeCompare(a));

console.log(names);
// output => [ 'Prayut', 'Oreo', 'Meow', 'Jojo', 'Banglee' ]

let names = ['Jojo', 'banglee', 'Oreo', 'prayut', 'Meow'];
names.sort();

console.log(names); 
// output => [ 'Jojo', 'Meow', 'Oreo', 'banglee', 'prayut' ] 

'J'.charCodeAt() //74
'M'.charCodeAt() //77
'O'.charCodeAt() //79
'b'.charCodeAt() //98 
'p'.charCodeAt() //112

let names = ['Jojo', 'banglee', 'Oreo', 'prayut', 'Meow'];
names.sort((a, b) => a.toLowerCase().localeCompare(b.toLowerCase())); 

console.log(names);
//output => [ 'banglee', 'Jojo', 'Meow', 'Oreo', 'prayut' ]

let names = ['Jojo', 'banglee', 'Oreo', 'prayut', 'Meow'];
names.sort((a, b) => b.toLowerCase().localeCompare(a.toLowerCase())); 

console.log(names); 
//output => [ 'prayut', 'Oreo', 'Meow', 'Jojo', 'banglee' ]

let nums = [22,10,1,2,9,8];
nums.sort();  

console.log(nums);
//output => [ 1, 10, 2, 22, 8, 9 ]

let nums = [22,10,1,2,9,8];
nums.sort((a, b) => a - b);  

console.log(nums); 
//output => [ 1, 2, 8, 9, 10, 22 ]

let nums = [22,10,1,2,9,8];
nums.sort((a, b) => b - a);  

console.log(nums); 
//output => [ 22, 10, 9, 8, 2, 1 ]

let dates = [
   '2021-08-22',
   '2021-08-2',
   '2021-08-10',
   '2021-08-1'
];

dates.sort() 

console.log(dates); 
//output => ['2021-08-1', '2021-08-10', '2021-08-2', '2021-08-22']

let dates = [
   '2021-08-22',
   '2021-08-2',
   '2021-08-10',
   '2021-08-1'
];

dates.sort((a, b) => new Date(a) - new Date(b)) 

console.log(dates); 
//output => [ '2021-08-1', '2021-08-2', '2021-08-10', '2021-08-22' ]

let dates = [
   '2021-08-22',
   '2021-08-2',
   '2021-08-10',
   '2021-08-1'
];

dates.sort((a, b) => new Date(b) - new Date(a)) 

console.log(dates); 
//output => [ '2021-08-22', '2021-08-10', '2021-08-2', '2021-08-1' ]

let lists = [
   { name:"Jojo", id:40000 },
   { name:"Prayut", id:8400 },
   { name:"banglee", id:69 },
   { name:"Meow", id:9 },
   { name:"Oreo", id:10 },
   { name:"Jojo", id:15000 },
];

let lists = [
   { name:"Jojo", id:40000 },
   { name:"Prayut", id:8400 },
   { name:"banglee", id:69 },
   { name:"Meow", id:9 },
   { name:"Oreo", id:10 },
   { name:"Jojo", id:15000 },
];

lists.sort((a, b) => a.name.localeCompare(b.name) || a.id - b.id);
console.log(lists);

[
   { name: 'banglee', id: 69 },
   { name: 'Jojo', id: 15000 },
   { name: 'Jojo', id: 40000 },
   { name: 'Meow', id: 9 },
   { name: 'Oreo', id: 10 },
   { name: 'Prayut', id: 8400 }
]

let lists = [
   {name:"Jojo", id:40000},
   {name:"Prayut", id:8400},
   {name:"banglee", id:69},
   {name:"Meow", id:9},
   {name:"Oreo", id:10},
   {name:"Jojo", id:15000},
];

lists.sort((a, b) => b.name.localeCompare(a.name) || b.id - a.id);
console.log(lists);

[
   { name: 'Prayut', id: 8400 },
   { name: 'Oreo', id: 10 },
   { name: 'Meow', id: 9 },
   { name: 'Jojo', id: 40000 },
   { name: 'Jojo', id: 15000 },
   { name: 'banglee', id: 69 }
]