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OleksandrAndriienkoOleksandrAndriienko
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Aspose.PDF for JavaScript via C++ 24.9
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‎AsposePDFforJS.js‎

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‎AsposePDFforJS.wasm.zip‎

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‎example.html‎

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@@ -269,6 +269,10 @@ <h2>Aspose.PDF for JavaScript via C++</h2>
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<label for="filePdfRemoveMetadata">REMOVE META<span class="tooltip">Remove metadata from a PDF-file</span></label>
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<input type="file" id="filePdfRemoveMetadata" accept="application/pdf" onchange="ffilePdfRemoveMetadata(event)">
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</div>
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<div class="column">
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<label for="filePdfGetWordsCharactersCount">GET WORDS<span class="tooltip">Get words and characters count in a PDF-file</span></label>
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<input type="file" id="filePdfGetWordsCharactersCount" accept="application/pdf" onchange="ffilePdfGetWordsCharactersCount(event)">
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</div>
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</div>
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</div>
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file_reader.readAsArrayBuffer(e.target.files[0]);
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};
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var ffilePdfGetWordsCharactersCount = function (e) {
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const file_reader = new FileReader();
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file_reader.onload = (event) => {
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const json = AsposePdfGetWordsCharactersCount(event.target.result, e.target.files[0].name);
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if (json.errorCode == 0) document.getElementById('output').textContent = "Words count : " + json.words
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+ "\nCharacters count : " + json.characters;
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else document.getElementById('output').textContent = json.errorText;
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};
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file_reader.readAsArrayBuffer(e.target.files[0]);
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};
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</script>
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<script>

‎example_worker.html‎

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<option value="AsposePdfGetInfo">Get info (metadata) from a PDF-file</option>
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<option value="AsposePdfGetAllFonts">Get list fonts from a PDF-file</option>
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<option value="AsposePdfRemoveMetadata">Remove metadata from a PDF-file</option>
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<option value="AsposePdfGetWordsCharactersCount">Get words and characters count in a PDF-file</option>
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<optgroup label="Security PDF">
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<option value="AsposePdfEncrypt">Encrypt a PDF-file</option>
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case 'AsposePdfExtractText':
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document.getElementById('output').textContent = json.extractText;
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break;
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case 'AsposePdfGetWordsCharactersCount':
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document.getElementById('output').textContent = "Words count : " + json.words + "\nCharacters count : " + json.characters;
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break;
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case 'AsposePdfGetAllFonts':
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let listFonts = 'Fonts:';
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json.fonts.forEach(({fontName}) => listFonts += `\n${fontName}`);
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case 'AsposePdfExtractText':
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case 'AsposePdfGetInfo':
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case 'AsposePdfGetAllFonts':
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case 'AsposePdfGetWordsCharactersCount':
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transfer = [event.target.result];
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params = [event.target.result, ffile.name];
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break;

‎snippets/AsposePdfGetWordsCharactersCount.html‎

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<!DOCTYPE html>
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<html>
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<head>
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<meta name="viewport" content="width=device-width, initial-scale=1">
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<meta charset="UTF-8">
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<title>Aspose.PDF for JavaScript via C++</title>
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</head>
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<body>
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<label for="filePdfGetWordsCharactersCount">Choose a PDF-file to get words and characters count</label>
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<input type="file" id="filePdfGetWordsCharactersCount" accept="application/pdf" onchange="ffilePdfGetWordsCharactersCount(event)">
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<br>
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<pre id="output"></pre>
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</body>
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<!-- Load and initiate Aspose.PDF for JavaScript via C++ -->
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<script type="text/javascript" async src="AsposePDFforJS.js"></script>
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<script type="text/javascript">
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/// [Code snippet]
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var ffilePdfGetWordsCharactersCount = function (e) {
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const file_reader = new FileReader();
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file_reader.onload = (event) => {
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/*Get words and characters count in a PDF-file*/
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const json = AsposePdfGetWordsCharactersCount(event.target.result, e.target.files[0].name);
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if (json.errorCode == 0) document.getElementById('output').textContent = "JSON:\n" + JSON.stringify(json, null, 4);
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else document.getElementById('output').textContent = json.errorText;
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};
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file_reader.readAsArrayBuffer(e.target.files[0]);
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};
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/// [Code snippet]
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</script>
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</html>

‎snippets/AsposePdfGetWordsCharactersCount_worker.html‎

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<!DOCTYPE html>
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<html>
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<head>
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<meta name="viewport" content="width=device-width, initial-scale=1">
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<meta charset="UTF-8">
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<title>Aspose.PDF for JavaScript via C++</title>
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</head>
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<body>
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<label for="filePdfGetWordsCharactersCount">Choose a PDF-file to get words and characters count</label>
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<input type="file" id="filePdfGetWordsCharactersCount" accept="application/pdf" onchange="ffilePdfGetWordsCharactersCount(event)">
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<br>
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<pre id="output">please wait for loading...</pre>
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</body>
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<script type="text/javascript">
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/// [Code snippet]
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/*Create Web Worker*/
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const AsposePDFWebWorker = new Worker("AsposePDFforJS.js");
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AsposePDFWebWorker.onerror = evt => console.log(`Error from Web Worker: ${evt.message}`);
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AsposePDFWebWorker.onmessage = evt => document.getElementById('output').textContent =
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(evt.data == 'ready') ? 'loaded!' :
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(evt.data.json.errorCode == 0) ? `\nWords count:${evt.data.json.words}\nCharacters count:${evt.data.json.characters}` : `Error: ${evt.data.json.errorText}`;
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/*Event handler*/
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const ffilePdfGetWordsCharactersCount = e => {
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const file_reader = new FileReader();
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file_reader.onload = event => {
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/*Get words and characters count in a PDF-file - Ask Web Worker*/
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AsposePDFWebWorker.postMessage({ "operation": 'AsposePdfGetWordsCharactersCount', "params": [event.target.result, e.target.files[0].name] }, [event.target.result]);
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};
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file_reader.readAsArrayBuffer(e.target.files[0]);
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};
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/// [Code snippet]
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</script>
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</html>

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