微信长按翻译

let aaa = '小公鸡点到谁'
 
const changeUnicode = (str) => {
  const perStr = '长按翻译';
  let tranStrArr = str.split('').map((e) => {
    return `\\u${e.charCodeAt(0).toString(16)}`
  })
 
  return perStr + tranStrArr.join('')
}
 
console.log(changeUnicode(aaa))