challenge.js

window.addEventListener('DOMContentLoaded', (event) => {
    var formatSelect = document.getElementById('id_format');
    var dataTextArea = document.getElementById('id_data');

    formatSelect.addEventListener('change', function () {
        var selectedFormat = this.value;
        var placeholderText;

        switch (selectedFormat) {
            case 'RAW':
                placeholderText = 'name | category';
                break;
            case 'CTFd':
                placeholderText = 'paste CTFd JSON /api/v1/challenges';
                break;
            case 'rCTF':
                placeholderText = 'paste rCTF JSON /api/v1/challs';
                break;
            default:
                placeholderText = '';
        }

        dataTextArea.setAttribute('placeholder', placeholderText);
    });

            // Trigger the change event on page load to set initial placeholder
    formatSelect.dispatchEvent(new Event('change'));
});