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<!DOCTYPE html> <html> <body> <p id="p1"> This is a text. This is a text. This is a text. This is a text. </p> <input type="button" value="Hide text" onclick="document.getElementById('p1').style.visibility='hidden'"> <input type="button" value="Show text" onclick="document.getElementById('p1').style.visibility='visible'"> </body> </html>