Removing images from PDF page using JavaScript

Make sure you have Full API enabled in WebViewer.

WebViewer({ fullAPI: true })
    .then(instance => {
        const { PDFNet } = instance.Core;
        await PDFNet.initialize();
        const doc = await PDFNet.PDFDoc.createFromURL(filename);
        const page = await doc.getPage(1);

        const writer = await PDFNet.ElementWriter.create();
        const reader = await PDFNet.ElementReader.create();
        reader.beginOnPage(page);
        writer.beginOnPage(page, PDFNet.ElementWriter.WriteMode.e_replacement, false);

        for (let element = await reader.next(); element !== null; element = await reader.next()) 
        {
            const elementType = await element.getType();
            switch (elementType) 
            {
                case PDFNet.Element.Type.e_image:
                case PDFNet.Element.Type.e_inline_image:
                    // remove all images by skipping them
                    break;
                default:
                    writer.writeElement(element);
                    break;
            }
        }

        writer.end();
        reader.end();
    })