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Highlight, Underline and Strikeout Text in JavaScript PDF Viewer control

06 Jun 2023 / 1 minute to read

The PDF Viewer library allows you to highlight, underline and strikeout text in the loaded PDF document programmatically using the setAnnotationMode() method.

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

Step 2: Add the following code snippet to highlight, underline, and strikeout text in index.ts file with button click events.

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    document.getElementById('setHighlight').addEventListener('click', ()=> {
    document.getElementById('setUnderline').addEventListener('click', ()=> {
    document.getElementById('setStrikeout').addEventListener('click', ()=> {
    document.getElementById('setNone').addEventListener('click', ()=> {

Find the Sample how to highlight, underline and strikeout text programmatically