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<!DOCTYPE html> <html> <head> <script src="/lib/jquery-1.12.2.min.js"></script> <script> $(document).ready(function(){ $("input").select(function(){ $("input").after(" Text marked!"); }); $("#btn1").click(function(){ $("input").trigger("select"); }); $("#btn2").click(function(){ $("input").triggerHandler("select"); }); }); </script> </head> <body> <p>Click each button to see the difference between trigger() and triggerHandler(). <p><input type="text" value="Hello World"></p> <button id="btn1">trigger()</button> <button id="btn2">triggerHandler()</button> </body> </html>