(Node.js) Extract all HTML Objects from a Web Page

See more MHT / HTML Email Examples

Demonstrates how to download a Web page (at a URL) and extract all HTML objects. Eg. images, links, CSS files, JavaScript files, etc.

Install Chilkat for Node.js and Electron using npm at Chilkat npm packages for Node.js Chilkat npm packages for Electron on Windows, Linux, MacOSX, and ARM

var os = require('os');
if (os.platform() == 'win32') {  
    if (os.arch() == 'ia32') {
        var chilkat = require('@chilkat/ck-node21-win-ia32');
    } else {
        var chilkat = require('@chilkat/ck-node21-win64'); 
    }
} else if (os.platform() == 'linux') {
    if (os.arch() == 'arm') {
        var chilkat = require('@chilkat/ck-node21-arm');
    } else if (os.arch() == 'x86') {
        var chilkat = require('@chilkat/ck-node21-linux32');
    } else {
        var chilkat = require('@chilkat/ck-node21-linux64');
    }
} else if (os.platform() == 'darwin') {
    if (os.arch() == 'arm64') {
        var chilkat = require('@chilkat/ck-node21-mac-m1');
    } else {
        var chilkat = require('@chilkat/ck-node21-macosx');
    }
}

function chilkatExample() {

    // This example assumes the Chilkat API to have been previously unlocked.
    // See Global Unlock Sample for sample code.

    var mht = new chilkat.Mht();

    // Download a URL into an in-memory MHT web archive contained
    // in a string variable.
    // The following URL is randomly picked and was valid at the time of writing this example:
    var mhtDoc = mht.GetMHT("https://www.tetonlodge.com/");
    if (mht.LastMethodSuccess !== true) {
        console.log(mht.LastErrorText);
        return;
    }

    // Extract the HTML and embedded objects:
    var unpackDir = "C:/AAWorkarea/mhtTesting/";
    var htmlFilename = "lodge.html";
    var partsSubdir = "objects";

    // Extract to C:/AAWorkarea/mhtTesting/lodge.html.
    // images and other embedded objects are placed in
    // C:/AAWorkarea/mhtTesting/objects.  Directories are automatically
    // created if they don't already exist.
    var success = mht.UnpackMHTString(mhtDoc,unpackDir,htmlFilename,partsSubdir);
    if (success !== true) {
        console.log(mht.LastErrorText);
    }
    else {
        console.log("Unpacked!");
    }


}

chilkatExample();