From 5dcf89c243fd0b5f5dc7f6c469a4a9b7d0da2eb9 Mon Sep 17 00:00:00 2001 From: Muhammad Adil Date: Fri, 26 Jun 2026 07:26:00 +0000 Subject: [PATCH] Add 9 html java tutorials MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Categories: advanced-usage, conversion-html-to-other-formats, conversion-html-to-various-image-formats, css-html-form-editing Source: AI Search API Tutorials: - Convert HTML to WebP in Java – Complete Step‑by‑Step Guide - Create PDF/A-2b Document with Aspose HTML for Java – Full Guide - Convert HTML to PDF in Java – Parallel Batch Guide - Execute JavaScript in Java – Complete Aspose.HTML Guide - Get Computed Style in Java – Debug CSS Grid with Aspose.HTML - Aspose HTML to Markdown in Java – Complete Step‑by‑Step Guide - Get Element Display Value in Java – Aspose HTML Sandbox Guide - convert svg to webp – Full Java Guide for Animated SVGs - convert html to docx with Aspose – Java html to docx guide Auto-generated by 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html/vietnamese/java/css-html-form-editing/get-element-display-value-in-java-aspose-html-sandbox-guide/_index.md diff --git a/html/arabic/java/advanced-usage/_index.md b/html/arabic/java/advanced-usage/_index.md index 5fd5162504..3b19ca5903 100644 --- a/html/arabic/java/advanced-usage/_index.md +++ b/html/arabic/java/advanced-usage/_index.md @@ -136,6 +136,9 @@ weight: 20 ### [كيفية تشغيل JavaScript في Java – دليل كامل](./how-to-run-javascript-in-java-complete-guide/) تعلم كيفية تشغيل كود JavaScript داخل تطبيقات Java باستخدام Aspose.HTML for Java. +### [تنفيذ JavaScript في Java – دليل Aspose.HTML الكامل](./execute-javascript-in-java-complete-aspose-html-guide/) +تعلم كيفية تشغيل كود JavaScript داخل تطبيقات Java باستخدام Aspose.HTML خطوة بخطوة. + --- **آخر تحديث:** 2025-11-29 diff --git a/html/arabic/java/advanced-usage/execute-javascript-in-java-complete-aspose-html-guide/_index.md b/html/arabic/java/advanced-usage/execute-javascript-in-java-complete-aspose-html-guide/_index.md new file mode 100644 index 0000000000..cd5ee0b423 --- /dev/null +++ b/html/arabic/java/advanced-usage/execute-javascript-in-java-complete-aspose-html-guide/_index.md @@ -0,0 +1,217 @@ +--- +category: general +date: 2026-06-25 +description: تنفيذ JavaScript في Java باستخدام Aspose.HTML. تعلم كيفية إضافة عنصر + div في Java، واستخدام السلسلة الاختيارية في JavaScript، ومثال على دمج القيم الفارغة + (nullish coalescing)، وتسجيل البيانات من JavaScript. +draft: false +keywords: +- execute javascript in java +- use optional chaining javascript +- nullish coalescing example +- add div element java +- log data from javascript +language: ar +og_description: تنفيذ JavaScript في Java باستخدام Aspose.HTML. يوضح هذا البرنامج التعليمي + كيفية إضافة عنصر div في Java، واستخدام السلسلة الاختيارية في JavaScript، وتطبيق + مثال على التجميع الفارغ (nullish coalescing)، وتسجيل البيانات من JavaScript. +og_title: تنفيذ JavaScript في Java – Aspose.HTML خطوة بخطوة +schemas: +- author: Aspose + dateModified: '2026-06-25' + description: Execute JavaScript in Java using Aspose.HTML. Learn to add div element + Java, use optional chaining JavaScript, nullish coalescing example, and log data + from JavaScript. + headline: Execute JavaScript in Java – Complete Aspose.HTML Guide + type: TechArticle +tags: +- java +- javascript +- aspose-html +- web-automation +title: تنفيذ JavaScript في Java – دليل Aspose.HTML الكامل +url: /ar/java/advanced-usage/execute-javascript-in-java-complete-aspose-html-guide/ +--- + +{{< blocks/products/pf/main-wrap-class >}} +{{< blocks/products/pf/main-container >}} +{{< blocks/products/pf/tutorial-page-section >}} + +# تنفيذ JavaScript في Java – دليل Aspose.HTML الكامل + +هل تساءلت يومًا كيف **تنفّذ JavaScript في Java** دون الحاجة إلى متصفح؟ في العديد من سيناريوهات الأتمتة تحتاج إلى تقييم سكريبت، قراءة قيمة، أو ببساطة تسجيل شيء ما من جانب Java. الخبر السار هو أن Aspose.HTML يجعل ذلك سهلًا للغاية. + +في هذا الدليل سنستعرض مثالًا عمليًا **يضيف عنصر div في Java**، يستخدم **optional chaining في JavaScript**، يوضح **مثال على nullish coalescing**، وأخيرًا **يسجّل البيانات من JavaScript**—كل ذلك من داخل برنامج Java. في النهاية ستحصل على مقتطف مكتمل، قابل للتنفيذ، يمكنك إدراجه في أي مشروع. + +## المتطلبات المسبقة – ما تحتاجه قبل البدء + +قبل أن نغوص في الكود، تأكد من وجود ما يلي: + +- **Java 17** (أو أي JDK حديث) – المكتبة تعمل مع Java 8+ لكن إصدارات JDK الأحدث تعطي أداءً أفضل. +- **Aspose.HTML for Java** ملفات JAR (حمّلها من موقع Aspose الرسمي). ستحتاج إلى `aspose-html.jar` وتبعياته. +- أداة بناء من اختيارك (Maven، Gradle، أو مجرد `javac` مع classpath). المثال يستخدم `javac` البسيط للسهولة. +- بيئة تطوير أو محرر نصوص – Visual Studio Code، IntelliJ IDEA، أو حتى Notepad++ يكفي. + +لا متصفحات خارجية، لا Selenium، مجرد Java نقي. جاهز؟ هيا نبدأ. + +![execute javascript in java example](execute_javascript_in_java.png "Screenshot showing Java code that executes JavaScript") + +## الخطوة 1: إعداد هيكل المشروع + +أنشئ مجلدًا باسم `JsEngineDemo`. داخل المجلد، ضع ملفات Aspose.HTML JAR في مجلد فرعي اسمه `libs`. يجب أن يبدو هيكل الدليل هكذا: + +``` +JsEngineDemo/ +│─ src/ +│ └─ JsEngineDemo.java +└─ libs/ + ├─ aspose-html.jar + └─ (other dependency JARs) +``` + +قم بالترجمة باستخدام: + +```bash +javac -cp "libs/*" -d out src/JsEngineDemo.java +``` + +سيستخدم تشغيل البرنامج لاحقًا نفس classpath. + +## الخطوة 2: إنشاء مستند HTML جديد – **Add Div Element Java** + +أول شيء نحتاجه هو مستند HTML في الذاكرة. توفر لنا Aspose.HTML فئة `Document` التي تعمل مثل DOM الذي تعرفه من المتصفحات. + +```java +import com.aspose.html.*; +import com.aspose.html.javascript.*; + +public class JsEngineDemo { + public static void main(String[] args) throws Exception { + + // Step 2: Create a new HTML document (this is the canvas) + Document document = new Document(); + + // Step 3: Add a
element that will be accessed from JavaScript + Element infoDiv = document.createElement("div"); + infoDiv.setAttribute("id", "info"); + // Optionally set a data attribute to demonstrate nullish coalescing later + infoDiv.setAttribute("data-value", "42"); + document.body.appendChild(infoDiv); +``` + +لاحظ أن خطوة **add div element java** هي مجرد بضع نداءات للطرق. كائن `Document` يعيش بالكامل في الذاكرة، لذا لا تحتاج إلى أي ملف HTML على القرص. + +## الخطوة 3: كتابة JavaScript باستخدام Optional Chaining – **Use Optional Chaining JavaScript** + +يقدم JavaScript الحديث طريقة مختصرة للتنقل الآمن بين الكائنات: عامل الـ optional chaining `?.`. يمنع حدوث خطأ مرجعي `null` عندما تكون الخاصية أو الطريقة غير موجودة. + +```java + // Step 4: Define JavaScript that uses optional chaining + String jsCode = "" + + "let el = document.getElementById('info');" + + "let data = el?.dataset?.value ?? 'default';" + + "console.log('Data value = ' + data);"; +``` + +هنا نستخدم **optional chaining JavaScript** (`el?.dataset?.value`) لجلب سمة `data-value`. إذا كان العنصر أو الـ dataset مفقودًا، يتوقف التعبير إلى `undefined`، ويزود عامل الـ nullish coalescing (`??`) القيمة `'default'`. + +## الخطوة 4: توضيح Nullish Coalescing – **Nullish Coalescing Example** + +عامل `??` هو نجم **nullish coalescing example**. على عكس `||`، فإنه يلجأ إلى القيمة الافتراضية فقط عندما يكون الجانب الأيسر `null` أو `undefined`. + +```java + + "let data = el?.dataset?.value ?? 'default';" +``` + +إذا أزلت سمة `data-value` من الـ `
` أعلاه، سيطبع السكريبت: + +``` +Data value = default +``` + +هذا السطر الصغير يوضح كيف يمكنك كتابة كود دفاعي دون سلسلة من عبارات `if`. + +## الخطوة 5: إدراج السكريبت في المستند (اختياري) + +إدراج وسم `