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<!DOCTYPE html> <html> <head> <meta charset="utf-8"> <title>本教程(w3big.com)</title> <script src="http://cdn.static.w3big.com/libs/jquery/1.10.2/jquery.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>点击每个按钮查看 trigger() 和 triggerHandler() 的不同。 <br><br> <input type="text" value="Hello World"> <br><br> <button id="btn1">trigger()</button> <button id="btn2">triggerHandler()</button> </body> </html>