Create PDF Documents with Tables, Images and Password-Protect your PDFs in JavaScript using pdfmake library. Check https://products.documentprocessing.com/editor/javascript/pdfmake/ for more details.

creating-password-protected-pdf-documents-in-javascript-using-pdfmake-library.js

// Import required modules from pdfmake library
const pdfMake = require('pdfmake/build/pdfmake');
const pdfFonts = require('pdfmake/build/vfs_fonts');

// Import Node.js built-in fs module for file system operations
const fs = require('fs');

// Configure virtual file system of pdfMake
pdfMake.vfs = pdfFonts.pdfMake.vfs;

// Function to generate PDF
function generatePDF() {
    
    // Define the content of your PDF document
    var docDefinition = {
        userPassword: '123',
        content: [
            {
                text: 'This is a password protected pdf',
                bold: true,
                style: 'normalText'
            }
        ]
    };

    // Generate the PDF using the default font settings
    var pdfDoc = pdfMake.createPdf(docDefinition);

    // Use the callback function to handle the completion
    pdfDoc.getBuffer((buffer) => {
        
        // Here, you can handle the PDF buffer, such as saving it to a file or sending it as a response.
        fs.writeFileSync('passwordProtected.pdf', buffer);

    });
}
generatePDF(() => {
    console.log('PDF generation complete');
  });

creating-pdf-document-in-javascript-using-pdfmake-library.js

// Import required modules from pdfmake library
const pdfMake = require('pdfmake/build/pdfmake');
const pdfFonts = require('pdfmake/build/vfs_fonts')

// Configure virtual file system of pdfMake
pdfMake.vfs = pdfFonts.pdfMake.vfs;

// Function to generate PDF
function generatePDF() {
  
  // Define the content of your PDF document
  var docDefinition = {
    content: [
      'Hello, PDFMake!', // A simple text element
      {
        text: 'This is a bold text',
        bold: true,
        style: 'normalText'
      },
      {
        text: 'This is an italic text',
        italics: true,
        style: 'normalText'
      },
      {
        text: 'This is a link',
        link: 'https://example.com',
        style: 'normalText',
        color: "blue"
      },
    ],
  };

  // Generate the PDF using the default font settings
  var pdfDoc = pdfMake.createPdf(docDefinition);

  // Use the callback function to handle the completion
  pdfDoc.getBuffer((buffer) => {
    
    // Here, you can handle the PDF buffer, such as saving it to a file or sending it as a response.
    const fs = require('fs');
    fs.writeFileSync('New.pdf', buffer);

  });
}
generatePDF(() => {
    console.log('PDF generation complete');
  });

creating-pdf-with-images-in-javascript-using-pdfmake-library.js

// Import required modules from pdfmake library
const pdfMake = require('pdfmake/build/pdfmake');
const pdfFonts = require('pdfmake/build/vfs_fonts');

// Import Node.js built-in fs module for file system operations
const fs = require('fs');

// Configure virtual file system of pdfMake
pdfMake.vfs = pdfFonts.pdfMake.vfs;

// Function to generate PDF
function generatePDF() {
    
    // Copy the image to the virtual file system provided by pdfmake
    const image = fs.readFileSync('./js-logo.jpg', 'base64');
    pdfMake.vfs['js-logo.jpg'] = image;
    
    // Define the content of your PDF document
    var docDefinition = {
        content: [
            {
                text: 'We are going to add an image to the PDF using the pdfmake library',
                bold: true,
                style: normalText
            },
            {
                image: 'js-logo.jpg'
            }
        ]
    };

    // Generate the PDF using the default font settings
    var pdfDoc = pdfMake.createPdf(docDefinition);

    // Use the callback function to handle the completion
    pdfDoc.getBuffer((buffer) => {
        
        // Here, you can handle the PDF buffer, such as saving it to a file or sending it as a response.
        fs.writeFileSync('Image.pdf', buffer);

    });
}
generatePDF(() => {
    console.log('PDF generation complete');
  });

creating-pdf-with-tables-in-javascript-using-pdfmake-library.js

// Import required modules from pdfmake library
const pdfMake = require('pdfmake/build/pdfmake');
const pdfFonts = require('pdfmake/build/vfs_fonts')

// Configure virtual file system of pdfMake
pdfMake.vfs = pdfFonts.pdfMake.vfs;

// Function to generate PDF
function generatePDF() {
  
  // Define the content of your PDF document
  var docDefinition = {
    content: [
      {
        table: {
          
          // Headers are automatically repeated if the table spans over multiple pages
          // You can declare how many rows should be treated as headers
          headerRows: 1,
          widths: [ '*', 'auto', 100, '*' ],

          body: [
            [ 'Heading 1', 'Heading 2', 'Heading 3', 'Heading 4' ],
            [ 'Value 1', 'Value 2', 'Value 3', 'Value 4' ],
            [ { text: 'Bold value', bold: true }, 'Val 2', 'Val 3', 'Val 4' ]
          ]
        }
      }
    ]
  };

  // Generate the PDF using the default font settings
  var pdfDoc = pdfMake.createPdf(docDefinition);

  // Use the callback function to handle the completion
  pdfDoc.getBuffer((buffer) => {
    
    // Here, you can handle the PDF buffer, such as saving it to a file or sending it as a response.
    const fs = require('fs');
    fs.writeFileSync('Table.pdf', buffer);

  });
}
generatePDF(() => {
    console.log('PDF generation complete');
  });