console
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>omit</title>
</head>
<body>
<script type="text/javascript">
const obj = {
A: "a",
B: "b",
C: "c",
D: "d",
};
const arr = ["B", "C"];
function omit(obj, arr) {
let result = {};
Object.getOwnPropertyNames(obj).forEach(function(val) {
let flag = 0;
for (let i = 0; i < arr.length; i++) {
if (arr[i] == val) {
flag = 1;
}
}
if (flag == 0) {
result[val] = obj[val];
}
})
return result;
}
const answer = omit(obj, arr);
console.log(answer);
</script>
</body>
</html>