题解 | #instanceof#
instanceof
https://www.nowcoder.com/practice/a1169935fd6145899f953ba8fbccb585
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<style>
/* 填写样式 */
</style>
</head>
<body>
<!-- 填写标签 -->
<script type="text/javascript">
// 填写JavaScript
const _instanceof = (target, Fn) => {
if(target.__proto__ === Fn.prototype){
return true
}
if(Fn.prototype){
_instanceof(target,Fn.prototype)
}else{
return false
}
}
</script>
</body>
</html>
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