Delete a specific annotation using deleteAnnotationById

2 Dec 20221 minute to read

The PDF Viewer server library allows you to delete a specific annotation from a PDF document. Deleting a specific annotation can be done using the deleteAnnotationById() method. This method is used to delete a specific annotation using its id.

The following steps are used to delete a specific annotation from PDF Document.

Step 1: Follow the steps provided in the link to create simple PDF Viewer sample.

Step 2: Use the following code snippet to delete a specific annotation using deleteAnnotationById() method.

<button type="button" onclick="deleteAnnotationbyId()">Delete Annotation by Id</button>

<script>
    // Delete Annotation by ID.
    function deleteAnnotationbyId() {
        var viewer = document.getElementById('pdfViewer').ej2_instances[0];
        viewer.annotationModule.deleteAnnotationById(viewer.annotationCollection[0].annotationId);
    }
</script>

Download the sample how to delete a specific annotation using deleteAnnotationById