关对象的文字

不用如果-别开关在JavaScript，使用对象的文字

const getValue = (value) => ({
  [value == 1]: 'Value is 1',
  [value > 1]: 'Value is greater than 1',
  [value < 1]: 'Value is less than 1',
})[true]

console.log(getValue(2));
console.log(getValue(-1)); 
console.log(getValue(-1+2)); // expect 'Value is 1'