Holtek Solutions and Products

https://www.holtek.com/mcu-tools

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This document provides an overview of Holtek's diverse microcontroller unit (MCU) solutions,...

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### Track PDF Clicks and Errors

Source: https://www.holtek.com/ice

This JavaScript code tracks PDF downloads by listening for click events on elements with '.pdf' in their 'onclick' attribute. It also logs errors related to PDF tracking and handles 'file not found' scenarios.

```javascript
document.addEventListener('DOMContentLoaded', function(){ document.querySelectorAll('[onclick*=".pdf"]').forEach(function(el){ el.addEventListener('click', function(){ try { var onclickAttr = el.getAttribute('onclick'); var match = onclickAttr.match(///([^/]+\\.pdf)/i); var fileName = match ? match[1] : 'unknown_file.pdf'; gtag('event', 'click_pdf', { 'event_category': 'pdf', 'event_label': fileName, 'page_path': window.location.pathname }); } catch (error) { gtag('event', 'js_error', { 'event_category': 'error', 'event_label': 'PDF 點擊錯誤', 'description': error.message, 'page_path': window.location.pathname }); } }); }); if (window.location.pathname.includes("/page/Message/FileNotFound")) { var urlParams = new URLSearchParams(window.location.search); var filePath = urlParams.get('file') || 'unknown_file'; gtag('event', 'pdf_not_found', { 'event_category': 'error', 'event_label': filePath, 'page_path': window.location.pathname }); } window.trackApiError = function(code, message){ gtag('event', 'api_no_data', { 'event_category': 'error', 'event_label': message || '無可用資料', 'error_code': code, 'page_path': window.location.pathname }); } window.trackApiFailure = function(errorMessage){ gtag('event', 'api_error', { 'event_category': 'error', 'event_label': 'API 請求失敗', 'description': errorMessage, 'page_path': window.location.pathname }); } var isHome = (window.location.pathname === "/" || window.location.pathname === "/index.html"); if(isHome){ var ref = document.referrer; if(ref.includes("holtek.com.tw") && !ref.includes("/page/Message/FileNotFound")){ gtag('event', 'redirect_home_error', { 'event_category': 'error', 'event_label': ref, // 原始錯誤網址 'page_path': window.location.pathname }); } } });
```

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