convert-binary-number-in-a-linked-list-to-integer.html

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>convert-binary-number-in-a-linked-list-to-integer</title>
</head>
<body>
    
</body>
<script>
const head = [0,1,0];

console.log(getDecimalValue(head));
/**
 * Definition for singly-linked list.
 * function ListNode(val, next) {
 *     this.val = (val===undefined ? 0 : val)
 *     this.next = (next===undefined ? null : next)
 * }
 */
/**
 * @param {ListNode} head
 * @return {number}
 */
function getDecimalValue(head) {
    let result = '';
    while(head) {
        result += head.val
        head = head.next
    }
    return parseInt(result, 2)
};
</script>
</html>