Delete a specific annotation using deleteAnnotationById

17 Feb 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