Array sorts in the specified order

Array sorting can be used directly sort() Method , You can sort arrays regularly .

But if you specify an irregular order for sorting ？

It can also be used   sort()  Method ：

const data = [
  { name: ' Zhang San ', code: 'zs' },
  { name: ' Wang Wu ', code: 'ww' },
  { name: ' Zhao Qi ', code: 'zq' },
];
data.sort((star, next) => {
  const sortList = ['zq', 'zs', 'ww']
  return sortList.indexOf(star.code) - sortList.indexOf(next.code);
});

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That's it .

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