> For the complete documentation index, see [llms.txt](https://javascriptuse.gitbook.io/javascript/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://javascriptuse.gitbook.io/javascript/hai-bai-toan-so-sanh-kinh-dien-trong-javascript.md).

# Hai bài toán so sánh kinh điển trong javascript

```
var items = [
  { name: 'Edward', value: 21 },
  { name: 'Sharpe', value: 37 },
  { name: 'And', value: 45 },
  { name: 'The', value: -12 },
  { name: 'Magnetic', value: 13 },
  { name: 'Zeros', value: 37 }
];

// ?sắp xếp theo value (giá trị)
items.sort(function (a, b) {
  return a.value - b.value;
});

// sắp xếp theo name (tên)
items.sort(function(a, b) {
  var nameA = a.name.toUpperCase(); // bỏ qua hoa thường
  var nameB = b.name.toUpperCase(); // bỏ qua hoa thường
  if (nameA < nameB) {
    return -1;
  }
  if (nameA > nameB) {
    return 1;
  }

  // name trùng nhau
  return 0;
});
```


---

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