rb1618.github.com/Stack.html at main · rb1618/rb1618.github.com · GitHub

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<!DOCTYPE html>
<html>
<head>
    <title>Stack UI</title>
    <script src="https://code.jquery.com/jquery-3.6.0.min.js"></script>
    <style>
        body {
            font-family: Arial, sans-serif;
            background-color: #f0f0f0;
            padding: 20px;
        }

        h1 {
            color: #333;
            text-align: center;
        }

        .container {
            max-width: 500px;
            margin: 0 auto;
            background-color: #fff;
            padding: 20px;
            border-radius: 5px;
            box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
        }

        input[type="text"] {
            padding: 10px;
            font-size: 16px;
            border: 1px solid #ccc;
            border-radius: 4px;
            width: 60%;
        }

        button {
            padding: 10px 20px;
            font-size: 16px;
            background-color: #4CAF50;
            color: #fff;
            border: none;
            border-radius: 4px;
            cursor: pointer;
            margin-left: 10px;
        }

        button:hover {
            background-color: #45a049;
        }

        #stack-contents {
            list-style-type: none;
            padding: 0;
            margin-top: 20px;
        }

        #stack-contents li {
            background-color: #f2f2f2;
            padding: 10px;
            margin-bottom: 5px;
            border-radius: 4px;
        }
    </style>
</head>
<body>
    <div class="container">
        <h1>Stack UI</h1>
        <input type="text" id="value" placeholder="Enter a value">
        <button id="push">Push</button>
        <button id="pop">Pop</button>
        <button id="peek">Peek</button>
        <p>Stack Contents:</p>
        <ul id="stack-contents"></ul>
    </div>

    <script>
        $(document).ready(function() {
            var stack = [];

            // Handle "Push" button click
            $('#push').click(function() {
                var value = $('#value').val();
                stack = push(stack, value);
                updateStackContents(stack);
                $('#value').val('');
            });

            // Handle "Pop" button click
            $('#pop').click(function() {
                stack = pop(stack);
                updateStackContents(stack);
            });

            // Handle "Peek" button click
            $('#peek').click(function() {
                var top = peek(stack);
                if (top !== null) {
                    alert('Top of the stack: ' + top);
                } else {
                    alert('Stack is empty');
                }
            });

            // Function to update the stack contents in the UI
            function updateStackContents(stack) {
                var stackContents = $('#stack-contents');
                stackContents.empty();
                $.each(stack, function(index, value) {
                    stackContents.append('<li>' + value + '</li>');
                });
            }

            // Implement your Python Stack class functions here
            function push(lst, num) {
                if (!Array.isArray(lst)) {
                    throw new TypeError("The first argument needs to be a list");
                }
                lst.push(num);
                return lst;
            }

            function pop(lst) {
                if (!Array.isArray(lst)) {
                    throw new TypeError("The first argument needs to be a list");
                }
                if (lst.length === 0) {
                    return "List is empty";
                }
                try {
                    lst.pop();
                    return lst;
                } catch (e) {
                    return null;
                }
            }

            function peek(lst) {
                if (!Array.isArray(lst)) {
                    throw new TypeError("First argument needs to be a list");
                }
                if (lst.length === 0) {
                    return null;
                }
                try {
                    return lst[lst.length - 1];
                } catch (e) {
                    return null;
                }
            }
        });
    </script>
</body>
</html>