Function showNotification

apps/chart-maker/main.js:283–306

(message, isError = false)

    
    // 显示通知
    function showNotification(message, isError = false) {
        // 移除现有通知
        const existingNotification = document.querySelector('.notification');
        if (existingNotification) {
            existingNotification.remove();
        }
        
        // 创建新通知
        const notification = document.createElement('div');
        notification.className = 'notification' + (isError ? ' error' : '');
        notification.textContent = message;
        
        // 添加到文档
        document.body.appendChild(notification);
        
        // 显示通知
        setTimeout(() => notification.classList.add('show'), 10);
        
        // 自动隐藏
        setTimeout(() => {
            notification.classList.remove('show');
            setTimeout(() => notification.remove(), 300);
        }, 3000);
    }
    
    // 解析输入数据
    function parseInputData() {