版权声明：本文为博主原创文章，未经博主允许不得转载。 https://blog.csdn.net/chi1130/article/details/82592037
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<meta http-equiv="X-UA-Compatible" content="ie=edge">
<title>Document</title>
</head>
<body>
<script>
let obj = {
'FINISH': '播放完毕',
'PLAYING': '正在播放',
'READYING': '待播',
'WAITING': '等待',
'CIRCLE_START': '循环开始',
'CIRCLE': '循环',
'CIRCLE_END': '循环结束',
'SET_TIME': '定时播放',
'INTER_CUT': '定时插播',
'WEAK_TIME': '弱定时'
}
let findKey = (value, compare = (a, b) => a === b) =>{
return Object.keys(obj).find(k => compare(obj[k], value))
}
let val = obj.CIRCLE_START;
console.log('value:', val)
console.log(findKey(val))
</script>
</body>
</html>