فراداده PDF را از طریق JavaScript via C++ استخراج کنید

    var ffilePdfGetInfo = function (e) {
        const file_reader = new FileReader();
        file_reader.onload = (event) => {
        /*Get info (metadata) from PDF file.*/
        const json = AsposePdfGetInfo(event.target.result, e.target.files[0].name);
        /* JSON
        Title:    json.title
        Creator:  json.creator
        Author:   json.author 
        Subject:  json.subject
        Keywords: json.keywords
        Creation Date: json.creation
        Modify Date:   json.mod
        */
        if (json.errorCode == 0) document.getElementById('output').textContent = "JSON:\n" + JSON.stringify(json, null, 4);
        else document.getElementById('output').textContent = json.errorText;
        };
        file_reader.readAsArrayBuffer(e.target.files[0]);
    };