Я попробывал сделать другим способом(если кому то интересно)
<!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">
<link href="https://fonts.googleapis.com/css?family=Roboto&display=swap" rel="stylesheet">
<link rel="stylesheet" href="general.css">
<title>Document</title>
</head>
<body>
<div class="wrp">
<div class="container">
<h1>Hello</h1>
<input type="text">
<input type="text">
<label for=""><input type="checkbox" onclick="window.event.returnValue=false">Caps Lock</label>
<button>Hello!</button>
<div><p>WRLD!</p><p>HI</p></div>
</div>
</div>
<script src="main.js"></script>
</body>
</html>
"use strict"
let elem = document.querySelector(".container");
console.log(elem);
function remove(parent){
let child = parent.childNodes;
for(let i = 0; i < child.length; i++){
if(child[i].nodeType == 3){
parent.removeChild(child[i]);
i--;
}else{
remove(child[i]);
}
}
}
remove(elem);