| layout | post |
|---|---|
| title | Delete an annotation in JavaScript PDF Viewer | Syncfusion |
| description | Learn how to delete a specific annotation in the JavaScript PDF Viewer using the deleteAnnotationById method. |
| platform | document-processing |
| control | PDF Viewer |
| documentation | ug |
| domainurl |
Use the deleteAnnotationById() method to remove a specific annotation from a PDF document by its id.
Step 1: Follow the getting-started guide to create a simple PDF Viewer sample: Getting started with JavaScript PDF Viewer.
Step 2: Add a control to trigger deletion and use the following example to call deleteAnnotationById().
<button id="deleteAnnotationbyId">Delete Annotation By Id</button>// Delete Annotation by ID.
document.getElementById('deleteAnnotationbyId').addEventListener('click', () => {
viewer.annotationModule.deleteAnnotationById(
viewer.annotationCollection[0].annotationId
);
});Sample: How to delete a specific annotation using deleteAnnotationById